/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--misc--phantom.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 11:57:08,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 11:57:08,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 11:57:08,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 11:57:08,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 11:57:08,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 11:57:08,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 11:57:08,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 11:57:08,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 11:57:08,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 11:57:08,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 11:57:08,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 11:57:08,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 11:57:08,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 11:57:08,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 11:57:08,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 11:57:08,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 11:57:08,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 11:57:08,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 11:57:08,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 11:57:08,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 11:57:08,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 11:57:08,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 11:57:08,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 11:57:08,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 11:57:08,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 11:57:08,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 11:57:08,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 11:57:08,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 11:57:08,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 11:57:08,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 11:57:08,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 11:57:08,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 11:57:08,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 11:57:08,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 11:57:08,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 11:57:08,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 11:57:08,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 11:57:08,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 11:57:08,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 11:57:08,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 11:57:08,997 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 11:57:09,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 11:57:09,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 11:57:09,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 11:57:09,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 11:57:09,034 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 11:57:09,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 11:57:09,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 11:57:09,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 11:57:09,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 11:57:09,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 11:57:09,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 11:57:09,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 11:57:09,035 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 11:57:09,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 11:57:09,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 11:57:09,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 11:57:09,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 11:57:09,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 11:57:09,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:57:09,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 11:57:09,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 11:57:09,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 11:57:09,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 11:57:09,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 11:57:09,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 11:57:09,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 11:57:09,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 11:57:09,038 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 11:57:09,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 11:57:09,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 11:57:09,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 11:57:09,366 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 11:57:09,369 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 11:57:09,370 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2020-10-14 11:57:09,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71d988cb9/42b17ab56bfe4f6e97c8c478389fe25d/FLAG7f1de23d9 [2020-10-14 11:57:10,091 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 11:57:10,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2020-10-14 11:57:10,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71d988cb9/42b17ab56bfe4f6e97c8c478389fe25d/FLAG7f1de23d9 [2020-10-14 11:57:10,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/71d988cb9/42b17ab56bfe4f6e97c8c478389fe25d [2020-10-14 11:57:10,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 11:57:10,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 11:57:10,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 11:57:10,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 11:57:10,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 11:57:10,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:57:10" (1/1) ... [2020-10-14 11:57:10,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413c8712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:10, skipping insertion in model container [2020-10-14 11:57:10,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:57:10" (1/1) ... [2020-10-14 11:57:10,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 11:57:10,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 11:57:11,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:57:11,631 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 11:57:11,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:57:12,096 INFO L208 MainTranslator]: Completed translation [2020-10-14 11:57:12,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12 WrapperNode [2020-10-14 11:57:12,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 11:57:12,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 11:57:12,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 11:57:12,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 11:57:12,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12" (1/1) ... [2020-10-14 11:57:12,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12" (1/1) ... [2020-10-14 11:57:12,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12" (1/1) ... [2020-10-14 11:57:12,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12" (1/1) ... [2020-10-14 11:57:12,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12" (1/1) ... [2020-10-14 11:57:12,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12" (1/1) ... [2020-10-14 11:57:12,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12" (1/1) ... [2020-10-14 11:57:12,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 11:57:12,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 11:57:12,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 11:57:12,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 11:57:12,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12" (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 11:57:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 11:57:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 11:57:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-14 11:57:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-14 11:57:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-14 11:57:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-14 11:57:12,486 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-14 11:57:12,487 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-14 11:57:12,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 11:57:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-14 11:57:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-14 11:57:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 11:57:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-14 11:57:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 11:57:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 11:57:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 11:57:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 11:57:12,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 11:57:12,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 11:57:12,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-14 11:57:12,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-14 11:57:12,493 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-14 11:57:12,494 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-14 11:57:12,494 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-14 11:57:12,494 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-14 11:57:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2020-10-14 11:57:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2020-10-14 11:57:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_compat_ioctl [2020-10-14 11:57:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_open [2020-10-14 11:57:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_release [2020-10-14 11:57:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2020-10-14 11:57:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_isr [2020-10-14 11:57:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_get_free [2020-10-14 11:57:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_probe [2020-10-14 11:57:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2020-10-14 11:57:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_suspend [2020-10-14 11:57:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_resume [2020-10-14 11:57:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_init [2020-10-14 11:57:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_exit [2020-10-14 11:57:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 11:57:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-14 11:57:12,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-14 11:57:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-14 11:57:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2020-10-14 11:57:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-10-14 11:57:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2020-10-14 11:57:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-14 11:57:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-14 11:57:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2020-10-14 11:57:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-14 11:57:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-14 11:57:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2020-10-14 11:57:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-14 11:57:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2020-10-14 11:57:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2020-10-14 11:57:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2020-10-14 11:57:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_17 [2020-10-14 11:57:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_18 [2020-10-14 11:57:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 11:57:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 11:57:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 11:57:12,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:57:12,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:57:12,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-14 11:57:12,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-14 11:57:12,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:57:12,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-14 11:57:12,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-14 11:57:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:57:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:57:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:57:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:57:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:57:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:57:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:57:12,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_open_lock_of_phantom_device [2020-10-14 11:57:12,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_open_lock_of_phantom_device [2020-10-14 11:57:12,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_open_lock_of_phantom_device [2020-10-14 11:57:12,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_open_lock_of_phantom_device [2020-10-14 11:57:12,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_open_lock_of_phantom_device [2020-10-14 11:57:12,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_open_lock_of_phantom_device [2020-10-14 11:57:12,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2020-10-14 11:57:12,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_phantom_mutex [2020-10-14 11:57:12,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_phantom_mutex [2020-10-14 11:57:12,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_phantom_mutex [2020-10-14 11:57:12,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_phantom_mutex [2020-10-14 11:57:12,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_phantom_mutex [2020-10-14 11:57:12,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_phantom_mutex [2020-10-14 11:57:12,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2020-10-14 11:57:12,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 11:57:12,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 11:57:12,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2020-10-14 11:57:12,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-14 11:57:12,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-14 11:57:12,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-14 11:57:12,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-14 11:57:12,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 11:57:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-14 11:57:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-14 11:57:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-14 11:57:12,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-14 11:57:12,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 11:57:12,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-14 11:57:12,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:57:12,514 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2020-10-14 11:57:12,514 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2020-10-14 11:57:12,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2020-10-14 11:57:12,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2020-10-14 11:57:12,515 INFO L138 BoogieDeclarations]: Found implementation of procedure class_create_file [2020-10-14 11:57:12,515 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2020-10-14 11:57:12,516 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2020-10-14 11:57:12,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 11:57:12,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 11:57:12,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 11:57:12,517 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2020-10-14 11:57:12,517 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2020-10-14 11:57:12,517 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-14 11:57:12,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2020-10-14 11:57:12,518 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2020-10-14 11:57:12,519 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-14 11:57:12,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 11:57:12,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-14 11:57:12,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-14 11:57:12,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 11:57:12,523 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2020-10-14 11:57:12,525 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2020-10-14 11:57:12,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-14 11:57:12,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-14 11:57:12,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2020-10-14 11:57:12,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2020-10-14 11:57:12,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-14 11:57:12,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-14 11:57:12,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-14 11:57:12,527 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 11:57:12,527 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-14 11:57:12,527 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2020-10-14 11:57:12,527 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2020-10-14 11:57:12,528 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2020-10-14 11:57:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-14 11:57:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-14 11:57:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 11:57:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 11:57:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 11:57:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 11:57:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 11:57:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-14 11:57:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-14 11:57:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 11:57:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-14 11:57:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-14 11:57:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-14 11:57:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-14 11:57:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-14 11:57:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 11:57:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-14 11:57:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 11:57:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-14 11:57:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-14 11:57:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-14 11:57:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2020-10-14 11:57:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 11:57:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-14 11:57:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2020-10-14 11:57:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-14 11:57:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-14 11:57:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-14 11:57:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2020-10-14 11:57:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-14 11:57:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2020-10-14 11:57:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2020-10-14 11:57:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-14 11:57:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2020-10-14 11:57:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 11:57:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-14 11:57:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-14 11:57:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-10-14 11:57:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-14 11:57:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2020-10-14 11:57:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-14 11:57:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-14 11:57:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:57:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:57:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:57:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_open_lock_of_phantom_device [2020-10-14 11:57:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_open_lock_of_phantom_device [2020-10-14 11:57:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2020-10-14 11:57:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_phantom_mutex [2020-10-14 11:57:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2020-10-14 11:57:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 11:57:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 11:57:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-14 11:57:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 11:57:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-14 11:57:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:57:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 11:57:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-14 11:57:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-14 11:57:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 11:57:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-14 11:57:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-14 11:57:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-14 11:57:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-14 11:57:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2020-10-14 11:57:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2020-10-14 11:57:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2020-10-14 11:57:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2020-10-14 11:57:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-14 11:57:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2020-10-14 11:57:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-14 11:57:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure class_create_file [2020-10-14 11:57:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2020-10-14 11:57:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2020-10-14 11:57:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2020-10-14 11:57:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-14 11:57:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 11:57:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 11:57:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2020-10-14 11:57:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2020-10-14 11:57:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 11:57:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-14 11:57:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-14 11:57:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-14 11:57:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-14 11:57:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-14 11:57:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-14 11:57:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 11:57:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 11:57:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 11:57:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 11:57:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 11:57:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 11:57:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 11:57:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 11:57:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 11:57:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 11:57:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 11:57:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-14 11:57:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-14 11:57:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-14 11:57:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-14 11:57:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-14 11:57:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 11:57:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-14 11:57:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-14 11:57:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-14 11:57:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 11:57:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2020-10-14 11:57:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-14 11:57:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-14 11:57:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-14 11:57:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2020-10-14 11:57:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_17 [2020-10-14 11:57:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2020-10-14 11:57:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2020-10-14 11:57:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_18 [2020-10-14 11:57:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2020-10-14 11:57:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 11:57:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 11:57:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2020-10-14 11:57:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 11:57:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_compat_ioctl [2020-10-14 11:57:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_open [2020-10-14 11:57:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_release [2020-10-14 11:57:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2020-10-14 11:57:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_isr [2020-10-14 11:57:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_get_free [2020-10-14 11:57:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_probe [2020-10-14 11:57:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2020-10-14 11:57:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_suspend [2020-10-14 11:57:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_resume [2020-10-14 11:57:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_init [2020-10-14 11:57:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_exit [2020-10-14 11:57:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 11:57:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 11:57:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 11:57:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 11:57:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 11:57:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 11:57:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:57:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:57:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-14 11:57:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:57:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-14 11:57:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:57:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:57:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:57:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:57:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_open_lock_of_phantom_device [2020-10-14 11:57:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_open_lock_of_phantom_device [2020-10-14 11:57:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_open_lock_of_phantom_device [2020-10-14 11:57:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_open_lock_of_phantom_device [2020-10-14 11:57:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_phantom_mutex [2020-10-14 11:57:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_phantom_mutex [2020-10-14 11:57:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_phantom_mutex [2020-10-14 11:57:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_phantom_mutex [2020-10-14 11:57:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_phantom_mutex [2020-10-14 11:57:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 11:57:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 11:57:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 11:57:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 11:57:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 11:57:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 11:57:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 11:57:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 11:57:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 11:57:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 11:57:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 11:57:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 11:57:17,157 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 11:57:17,157 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 11:57:17,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:57:17 BoogieIcfgContainer [2020-10-14 11:57:17,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 11:57:17,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 11:57:17,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 11:57:17,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 11:57:17,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:57:10" (1/3) ... [2020-10-14 11:57:17,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf916e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:57:17, skipping insertion in model container [2020-10-14 11:57:17,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:57:12" (2/3) ... [2020-10-14 11:57:17,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf916e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:57:17, skipping insertion in model container [2020-10-14 11:57:17,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:57:17" (3/3) ... [2020-10-14 11:57:17,176 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2020-10-14 11:57:17,188 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 11:57:17,197 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 11:57:17,213 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 11:57:17,244 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 11:57:17,244 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 11:57:17,244 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 11:57:17,245 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 11:57:17,245 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 11:57:17,245 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 11:57:17,245 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 11:57:17,245 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 11:57:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states. [2020-10-14 11:57:17,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-14 11:57:17,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:57:17,296 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] [2020-10-14 11:57:17,296 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:57:17,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:57:17,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1081687474, now seen corresponding path program 1 times [2020-10-14 11:57:17,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:57:17,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150670119] [2020-10-14 11:57:17,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:57:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:18,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:18,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:20,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:23,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:23,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 11:57:23,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:57:23,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5114 [2020-10-14 11:57:23,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:23,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:57:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 11:57:23,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 11:57:23,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 11:57:25,236 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-14 11:57:25,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:57:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:25,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:25,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:25,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:25,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:25,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-14 11:57:25,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:25,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:25,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:25,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:25,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:57:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:25,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:25,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:25,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:25,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:57:25,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:25,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:25,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:25,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:25,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:25,595 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 11:57:25,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150670119] [2020-10-14 11:57:25,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:57:25,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:57:25,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526867409] [2020-10-14 11:57:25,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:57:25,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:57:25,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:57:25,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:57:25,622 INFO L87 Difference]: Start difference. First operand 961 states. Second operand 5 states. [2020-10-14 11:57:30,171 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-14 11:57:47,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:57:47,200 INFO L93 Difference]: Finished difference Result 2006 states and 2641 transitions. [2020-10-14 11:57:47,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 11:57:47,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-14 11:57:47,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:57:47,231 INFO L225 Difference]: With dead ends: 2006 [2020-10-14 11:57:47,231 INFO L226 Difference]: Without dead ends: 1204 [2020-10-14 11:57:47,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:57:47,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2020-10-14 11:57:47,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1077. [2020-10-14 11:57:47,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2020-10-14 11:57:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1362 transitions. [2020-10-14 11:57:47,620 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1362 transitions. Word has length 27 [2020-10-14 11:57:47,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:57:47,621 INFO L479 AbstractCegarLoop]: Abstraction has 1077 states and 1362 transitions. [2020-10-14 11:57:47,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:57:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1362 transitions. [2020-10-14 11:57:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 11:57:47,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:57:47,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:57:47,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 11:57:47,627 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:57:47,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:57:47,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1146165344, now seen corresponding path program 1 times [2020-10-14 11:57:47,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:57:47,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [964483289] [2020-10-14 11:57:47,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:57:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:47,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:48,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:49,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:49,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 11:57:49,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:57:49,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1881 [2020-10-14 11:57:49,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:49,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:57:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:57:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 11:57:49,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:51,277 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-14 11:57:51,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:57:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:51,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:51,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:51,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:51,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:51,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 11:57:51,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:51,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:51,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:51,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:51,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:51,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:51,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:57:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:51,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:51,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:51,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:51,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:51,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 11:57:51,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:51,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:51,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:57:51,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:57:51,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:51,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:57:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:51,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:51,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:51,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 11:57:51,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:51,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 11:57:51,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:51,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:51,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:57:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 11:57:51,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:51,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:57:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:51,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:51,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:51,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:51,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:51,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:57:51,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:51,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:51,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:51,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 11:57:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:51,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:51,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:51,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:51,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:51,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:57:51,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:51,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:51,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:51,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:51,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 11:57:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:51,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:51,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:51,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:51,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:57:51,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:51,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:51,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:57:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:51,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:51,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:51,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:51,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:51,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:57:51,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:51,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:51,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:51,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:57:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:51,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:51,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:51,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:51,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:51,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:57:51,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:51,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:51,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:57:51,736 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 11:57:51,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [964483289] [2020-10-14 11:57:51,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:57:51,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:57:51,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291571319] [2020-10-14 11:57:51,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:57:51,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:57:51,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:57:51,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:57:51,739 INFO L87 Difference]: Start difference. First operand 1077 states and 1362 transitions. Second operand 6 states. [2020-10-14 11:57:53,489 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:57:57,279 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 11:58:04,102 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-14 11:58:09,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:58:09,823 INFO L93 Difference]: Finished difference Result 1239 states and 1604 transitions. [2020-10-14 11:58:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 11:58:09,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-10-14 11:58:09,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:58:09,834 INFO L225 Difference]: With dead ends: 1239 [2020-10-14 11:58:09,835 INFO L226 Difference]: Without dead ends: 1236 [2020-10-14 11:58:09,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-14 11:58:09,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2020-10-14 11:58:10,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1076. [2020-10-14 11:58:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2020-10-14 11:58:10,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1360 transitions. [2020-10-14 11:58:10,096 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1360 transitions. Word has length 50 [2020-10-14 11:58:10,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:58:10,097 INFO L479 AbstractCegarLoop]: Abstraction has 1076 states and 1360 transitions. [2020-10-14 11:58:10,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 11:58:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1360 transitions. [2020-10-14 11:58:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 11:58:10,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:58:10,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:58:10,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 11:58:10,100 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:58:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:58:10,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1170642785, now seen corresponding path program 1 times [2020-10-14 11:58:10,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:58:10,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489542226] [2020-10-14 11:58:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:58:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:10,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:10,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:11,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:11,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 11:58:11,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:58:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1717 [2020-10-14 11:58:11,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:11,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:11,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:11,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:58:11,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 11:58:11,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:13,717 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-14 11:58:13,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:13,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:14,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:14,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:14,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:14,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-14 11:58:14,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:14,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:14,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:14,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:14,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:14,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:14,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:14,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:14,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:14,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:14,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:14,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:58:14,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:14,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:14,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:14,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:14,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:58:14,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:14,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:58:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:14,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:14,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:14,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 11:58:14,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:14,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 11:58:14,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:14,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 11:58:14,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:14,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:14,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:14,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:14,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:14,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:14,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:14,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:14,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:14,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 11:58:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:14,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:14,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:14,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:14,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:14,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:14,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:14,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:14,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:14,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:14,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:14,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:14,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 11:58:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:14,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:14,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:14,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:14,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:14,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 11:58:14,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:14,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:14,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:14,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:14,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:58:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:14,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:14,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:14,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:14,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:14,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:14,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:14,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:14,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:14,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:58:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:14,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:14,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:14,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:14,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:14,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:14,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:14,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:14,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:14,298 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 11:58:14,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489542226] [2020-10-14 11:58:14,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:58:14,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:58:14,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052778846] [2020-10-14 11:58:14,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:58:14,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:58:14,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:58:14,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:58:14,302 INFO L87 Difference]: Start difference. First operand 1076 states and 1360 transitions. Second operand 6 states. [2020-10-14 11:58:15,904 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:58:20,116 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 11:58:27,469 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-14 11:58:34,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:58:34,384 INFO L93 Difference]: Finished difference Result 1238 states and 1602 transitions. [2020-10-14 11:58:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 11:58:34,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-10-14 11:58:34,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:58:34,393 INFO L225 Difference]: With dead ends: 1238 [2020-10-14 11:58:34,393 INFO L226 Difference]: Without dead ends: 1235 [2020-10-14 11:58:34,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-14 11:58:34,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2020-10-14 11:58:34,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 1075. [2020-10-14 11:58:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2020-10-14 11:58:34,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1358 transitions. [2020-10-14 11:58:34,635 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1358 transitions. Word has length 51 [2020-10-14 11:58:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:58:34,636 INFO L479 AbstractCegarLoop]: Abstraction has 1075 states and 1358 transitions. [2020-10-14 11:58:34,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 11:58:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1358 transitions. [2020-10-14 11:58:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 11:58:34,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:58:34,639 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, 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 11:58:34,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 11:58:34,639 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:58:34,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:58:34,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1929448323, now seen corresponding path program 1 times [2020-10-14 11:58:34,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:58:34,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048734449] [2020-10-14 11:58:34,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:58:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:34,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:35,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:36,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:36,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 11:58:36,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:58:36,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1460 [2020-10-14 11:58:36,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:36,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:58:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 11:58:36,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:37,820 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-14 11:58:37,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:37,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:37,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:37,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:37,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:37,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-14 11:58:37,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:37,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:37,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:37,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:38,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:38,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:38,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:38,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:38,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:38,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:58:38,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:38,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:58:38,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:38,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:58:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:38,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:38,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:38,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 11:58:38,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:38,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 11:58:38,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:38,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:38,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:38,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:38,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 11:58:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 11:58:38,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:38,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:38,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:38,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:38,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:38,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:38,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:38,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:38,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:38,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 11:58:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:38,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:38,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:38,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:38,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:38,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:38,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:38,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:38,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:38,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:38,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 11:58:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:38,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:38,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:38,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:38,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:38,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:58:38,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:38,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:38,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:38,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:38,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:38,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:38,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:58:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:38,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:38,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:38,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:38,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:38,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:58:38,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:38,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:38,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:38,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:38,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:58:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:38,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:38,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:38,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:38,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:58:38,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:38,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:38,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:38,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:38,232 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 11:58:38,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048734449] [2020-10-14 11:58:38,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:58:38,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:58:38,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99309659] [2020-10-14 11:58:38,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:58:38,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:58:38,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:58:38,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:58:38,235 INFO L87 Difference]: Start difference. First operand 1075 states and 1358 transitions. Second operand 6 states. [2020-10-14 11:58:39,834 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:58:43,456 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 11:58:50,523 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-14 11:58:57,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:58:57,279 INFO L93 Difference]: Finished difference Result 1237 states and 1600 transitions. [2020-10-14 11:58:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 11:58:57,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-10-14 11:58:57,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:58:57,289 INFO L225 Difference]: With dead ends: 1237 [2020-10-14 11:58:57,290 INFO L226 Difference]: Without dead ends: 1234 [2020-10-14 11:58:57,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-14 11:58:57,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2020-10-14 11:58:57,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1074. [2020-10-14 11:58:57,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1074 states. [2020-10-14 11:58:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1356 transitions. [2020-10-14 11:58:57,541 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1356 transitions. Word has length 52 [2020-10-14 11:58:57,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:58:57,542 INFO L479 AbstractCegarLoop]: Abstraction has 1074 states and 1356 transitions. [2020-10-14 11:58:57,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 11:58:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1356 transitions. [2020-10-14 11:58:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-14 11:58:57,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:58:57,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:58:57,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 11:58:57,544 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:58:57,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:58:57,545 INFO L82 PathProgramCache]: Analyzing trace with hash -317378908, now seen corresponding path program 1 times [2020-10-14 11:58:57,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:58:57,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304964652] [2020-10-14 11:58:57,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:58:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:57,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:58,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:58,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:58,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 11:58:58,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:58:58,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-14 11:58:58,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:58,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:58:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 11:58:58,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:00,807 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-14 11:59:00,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:00,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:01,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:01,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:01,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-14 11:59:01,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:01,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:01,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:01,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:01,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:01,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:01,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:01,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:59:01,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:01,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:59:01,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:01,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:59:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:01,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:01,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 11:59:01,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 11:59:01,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:01,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 11:59:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:01,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:01,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:01,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:01,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:01,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:01,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:59:01,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:01,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:01,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:01,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:01,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 11:59:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:01,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:01,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:01,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:01,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:01,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:01,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:01,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:01,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 11:59:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:01,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:01,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:01,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:01,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:01,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 11:59:01,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:01,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:01,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:01,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:59:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:01,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:01,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:01,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:01,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:01,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:01,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:01,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:01,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:01,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:01,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:01,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:59:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:01,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:01,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:01,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:01,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:01,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:01,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:01,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:01,274 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 11:59:01,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304964652] [2020-10-14 11:59:01,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:59:01,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:59:01,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084505621] [2020-10-14 11:59:01,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:59:01,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:59:01,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:59:01,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:59:01,276 INFO L87 Difference]: Start difference. First operand 1074 states and 1356 transitions. Second operand 6 states. [2020-10-14 11:59:02,941 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:59:09,349 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 11:59:16,681 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-14 11:59:37,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:59:37,120 INFO L93 Difference]: Finished difference Result 3401 states and 4365 transitions. [2020-10-14 11:59:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 11:59:37,122 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-10-14 11:59:37,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:59:37,136 INFO L225 Difference]: With dead ends: 3401 [2020-10-14 11:59:37,136 INFO L226 Difference]: Without dead ends: 2338 [2020-10-14 11:59:37,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 11:59:37,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2020-10-14 11:59:37,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 2083. [2020-10-14 11:59:37,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2083 states. [2020-10-14 11:59:37,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2641 transitions. [2020-10-14 11:59:37,895 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2641 transitions. Word has length 53 [2020-10-14 11:59:37,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:59:37,896 INFO L479 AbstractCegarLoop]: Abstraction has 2083 states and 2641 transitions. [2020-10-14 11:59:37,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 11:59:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2641 transitions. [2020-10-14 11:59:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 11:59:37,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:59:37,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:59:37,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 11:59:37,903 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:59:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:59:37,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1249541466, now seen corresponding path program 1 times [2020-10-14 11:59:37,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:59:37,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375473733] [2020-10-14 11:59:37,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:59:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:38,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:38,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:39,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:39,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 11:59:39,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:59:39,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1365 [2020-10-14 11:59:39,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:39,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:59:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 11:59:39,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,195 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-14 11:59:41,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 11:59:41,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:41,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:41,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:59:41,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:59:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:59:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 11:59:41,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 11:59:41,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 11:59:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:41,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 11:59:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:41,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 11:59:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:41,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:41,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:59:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 11:59:41,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:41,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:59:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:41,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:41,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:41,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 11:59:41,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:41,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:41,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:41,520 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 11:59:41,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375473733] [2020-10-14 11:59:41,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:59:41,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 11:59:41,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984406327] [2020-10-14 11:59:41,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 11:59:41,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:59:41,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 11:59:41,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 11:59:41,522 INFO L87 Difference]: Start difference. First operand 2083 states and 2641 transitions. Second operand 6 states. [2020-10-14 11:59:43,226 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:59:49,620 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 11:59:57,321 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-14 12:00:05,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:00:05,055 INFO L93 Difference]: Finished difference Result 2361 states and 3026 transitions. [2020-10-14 12:00:05,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 12:00:05,056 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-10-14 12:00:05,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:00:05,067 INFO L225 Difference]: With dead ends: 2361 [2020-10-14 12:00:05,067 INFO L226 Difference]: Without dead ends: 2317 [2020-10-14 12:00:05,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-14 12:00:05,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2317 states. [2020-10-14 12:00:05,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2317 to 2065. [2020-10-14 12:00:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2065 states. [2020-10-14 12:00:05,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 2600 transitions. [2020-10-14 12:00:05,804 INFO L78 Accepts]: Start accepts. Automaton has 2065 states and 2600 transitions. Word has length 54 [2020-10-14 12:00:05,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:00:05,804 INFO L479 AbstractCegarLoop]: Abstraction has 2065 states and 2600 transitions. [2020-10-14 12:00:05,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 12:00:05,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2600 transitions. [2020-10-14 12:00:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-14 12:00:05,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:00:05,816 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:05,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 12:00:05,817 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:00:05,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:00:05,817 INFO L82 PathProgramCache]: Analyzing trace with hash -337582678, now seen corresponding path program 1 times [2020-10-14 12:00:05,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:00:05,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028949814] [2020-10-14 12:00:05,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:00:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:06,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:06,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:06,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:06,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:07,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:07,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:07,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:11,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:11,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-14 12:00:11,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 12:00:11,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5207 [2020-10-14 12:00:11,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:11,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:11,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:11,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-14 12:00:11,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 12:00:11,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:13,202 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-14 12:00:13,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:00:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:13,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:13,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:13,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:13,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:13,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-14 12:00:13,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:13,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:13,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:00:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:13,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:13,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:00:13,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:13,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:13,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 12:00:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:13,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:13,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:13,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:13,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:13,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:13,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 12:00:18,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 12:00:18,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 12:00:18,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:18,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 12:00:18,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:18,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:00:18,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 12:00:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:00:18,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:00:18,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:00:18,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 12:00:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:18,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:00:18,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 12:00:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:00:18,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:00:18,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:18,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:00:18,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:00:18,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:00:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:00:18,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:18,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:00:18,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:00:18,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 12:00:18,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 12:00:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:00:18,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:00:18,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:18,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:00:18,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:00:18,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 12:00:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:00:18,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:00:18,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:00:18,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:00:18,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 12:00:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:00:18,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:00:18,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:00:18,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:00:18,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 12:00:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:18,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:00:18,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 12:00:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:18,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:00:18,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:18,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 12:00:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:18,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:00:18,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:18,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 12:00:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:18,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:18,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:18,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:18,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:18,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:00:18,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:18,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:18,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 12:00:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:00:19,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:00:19,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 12:00:19,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:19,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:19,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:00:19,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:19,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 12:00:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:19,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:00:19,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:00:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:19,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 12:00:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:19,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:00:19,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:00:19,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 12:00:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:00:19,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 12:00:19,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 12:00:19,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:19,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:19,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:00:19,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:19,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 12:00:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:19,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:00:19,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:19,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:00:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 12:00:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:00:19,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 12:00:19,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 12:00:19,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:19,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:19,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:00:19,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 12:00:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:00:19,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:00:19,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:00:19,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 12:00:19,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:19,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:00:19,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:19,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:19,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 12:00:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 12:00:19,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:00:19,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:19,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 12:00:19,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:19,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:00:19,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:00:19,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:19,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:19,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 12:00:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:19,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:00:19,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:19,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:19,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 12:00:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 12:00:19,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 12:00:19,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 12:00:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:19,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:00:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:00:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:00:19,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:00:19,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:00:19,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:00:19,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:00:19,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:00:19,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:00:19,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:00:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:00:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:00:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:00:19,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:00:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 12:00:19,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028949814] [2020-10-14 12:00:19,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:00:19,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 12:00:19,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676024832] [2020-10-14 12:00:19,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 12:00:19,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:00:19,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 12:00:19,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-14 12:00:19,561 INFO L87 Difference]: Start difference. First operand 2065 states and 2600 transitions. Second operand 10 states. [2020-10-14 12:00:21,402 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 12:00:25,512 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 12:00:32,195 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 612