/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 08:58:04,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 08:58:04,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 08:58:04,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 08:58:04,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 08:58:04,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 08:58:04,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 08:58:04,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 08:58:04,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 08:58:04,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 08:58:04,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 08:58:04,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 08:58:04,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 08:58:04,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 08:58:04,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 08:58:04,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 08:58:04,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 08:58:04,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 08:58:04,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 08:58:04,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 08:58:04,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 08:58:04,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 08:58:04,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 08:58:04,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 08:58:04,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 08:58:04,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 08:58:04,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 08:58:04,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 08:58:04,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 08:58:04,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 08:58:04,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 08:58:04,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 08:58:04,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 08:58:04,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 08:58:04,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 08:58:04,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 08:58:04,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 08:58:04,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 08:58:04,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 08:58:04,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 08:58:04,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 08:58:04,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-15 08:58:04,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 08:58:04,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 08:58:04,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 08:58:04,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 08:58:04,285 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 08:58:04,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 08:58:04,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 08:58:04,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 08:58:04,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 08:58:04,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 08:58:04,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 08:58:04,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 08:58:04,286 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 08:58:04,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 08:58:04,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 08:58:04,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 08:58:04,287 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 08:58:04,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 08:58:04,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:58:04,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 08:58:04,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 08:58:04,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 08:58:04,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 08:58:04,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 08:58:04,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 08:58:04,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 08:58:04,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 08:58:04,289 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 08:58:04,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 08:58:04,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 08:58:04,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 08:58:04,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 08:58:04,651 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 08:58:04,652 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2020-10-15 08:58:04,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/813343b4a/f1a7c49a43374cce864cbbefacc1d9ae/FLAG5265ba46d [2020-10-15 08:58:05,566 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 08:58:05,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2020-10-15 08:58:05,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/813343b4a/f1a7c49a43374cce864cbbefacc1d9ae/FLAG5265ba46d [2020-10-15 08:58:06,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/813343b4a/f1a7c49a43374cce864cbbefacc1d9ae [2020-10-15 08:58:06,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 08:58:06,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 08:58:06,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 08:58:06,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 08:58:06,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 08:58:06,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:58:06" (1/1) ... [2020-10-15 08:58:06,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22db146d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:06, skipping insertion in model container [2020-10-15 08:58:06,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:58:06" (1/1) ... [2020-10-15 08:58:06,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 08:58:06,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 08:58:06,811 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3517] [2020-10-15 08:58:06,812 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3518-3519] [2020-10-15 08:58:08,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:58:08,260 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 08:58:08,332 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3517] [2020-10-15 08:58:08,332 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3518-3519] [2020-10-15 08:58:08,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:58:08,828 INFO L208 MainTranslator]: Completed translation [2020-10-15 08:58:08,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08 WrapperNode [2020-10-15 08:58:08,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 08:58:08,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 08:58:08,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 08:58:08,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 08:58:08,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:09,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:09,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:09,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:09,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 08:58:09,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 08:58:09,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 08:58:09,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 08:58:09,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:58:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 08:58:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 08:58:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-15 08:58:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-15 08:58:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-15 08:58:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-15 08:58:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 08:58:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-15 08:58:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2020-10-15 08:58:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-15 08:58:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2020-10-15 08:58:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-15 08:58:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 08:58:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2020-10-15 08:58:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2020-10-15 08:58:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kcalloc_14 [2020-10-15 08:58:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 08:58:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 08:58:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 08:58:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 08:58:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 08:58:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 08:58:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 08:58:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 08:58:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 08:58:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-15 08:58:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2020-10-15 08:58:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2020-10-15 08:58:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2020-10-15 08:58:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2020-10-15 08:58:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2020-10-15 08:58:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2020-10-15 08:58:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-15 08:58:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-15 08:58:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 08:58:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 08:58:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-15 08:58:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-15 08:58:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-15 08:58:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-15 08:58:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 08:58:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2020-10-15 08:58:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure get_endpoints [2020-10-15 08:58:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_callback [2020-10-15 08:58:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2020-10-15 08:58:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2020-10-15 08:58:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2020-10-15 08:58:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2020-10-15 08:58:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2020-10-15 08:58:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2020-10-15 08:58:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2020-10-15 08:58:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2020-10-15 08:58:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2020-10-15 08:58:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2020-10-15 08:58:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2020-10-15 08:58:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_altsetting [2020-10-15 08:58:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2020-10-15 08:58:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2020-10-15 08:58:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_ext [2020-10-15 08:58:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_ss_cap [2020-10-15 08:58:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_con_id [2020-10-15 08:58:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ch9_postconfig [2020-10-15 08:58:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2020-10-15 08:58:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ctrl_queue [2020-10-15 08:58:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1_callback [2020-10-15 08:58:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2020-10-15 08:58:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2020-10-15 08:58:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_queued_callback [2020-10-15 08:58:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_queued [2020-10-15 08:58:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2020-10-15 08:58:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_halted [2020-10-15 08:58:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2020-10-15 08:58:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure halt_simple [2020-10-15 08:58:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2020-10-15 08:58:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_callback [2020-10-15 08:58:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_alloc_urb [2020-10-15 08:58:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2020-10-15 08:58:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2020-10-15 08:58:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2020-10-15 08:58:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_probe [2020-10-15 08:58:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_suspend [2020-10-15 08:58:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_resume [2020-10-15 08:58:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2020-10-15 08:58:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_init [2020-10-15 08:58:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_exit [2020-10-15 08:58:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-15 08:58:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 08:58:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-15 08:58:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-15 08:58:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-15 08:58:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-15 08:58:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 08:58:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2020-10-15 08:58:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 08:58:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2020-10-15 08:58:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_20 [2020-10-15 08:58:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_21 [2020-10-15 08:58:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2020-10-15 08:58:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2020-10-15 08:58:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2020-10-15 08:58:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2020-10-15 08:58:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_26 [2020-10-15 08:58:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_27 [2020-10-15 08:58:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2020-10-15 08:58:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2020-10-15 08:58:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2020-10-15 08:58:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_31 [2020-10-15 08:58:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2020-10-15 08:58:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_33 [2020-10-15 08:58:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_34 [2020-10-15 08:58:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-15 08:58:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-15 08:58:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-15 08:58:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-15 08:58:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-15 08:58:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-15 08:58:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-15 08:58:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-15 08:58:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-15 08:58:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 08:58:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-15 08:58:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 08:58:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __virt_addr_valid [2020-10-15 08:58:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-15 08:58:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-15 08:58:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-15 08:58:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-15 08:58:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-15 08:58:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-15 08:58:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure completion_done [2020-10-15 08:58:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-15 08:58:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-15 08:58:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2020-10-15 08:58:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-15 08:58:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 08:58:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 08:58:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-15 08:58:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-15 08:58:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-15 08:58:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-15 08:58:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-15 08:58:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 08:58:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2020-10-15 08:58:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-15 08:58:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-15 08:58:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2020-10-15 08:58:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-15 08:58:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 08:58:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-15 08:58:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-15 08:58:09,313 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2020-10-15 08:58:09,313 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2020-10-15 08:58:09,313 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-15 08:58:09,313 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 08:58:09,313 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-15 08:58:09,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2020-10-15 08:58:09,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2020-10-15 08:58:09,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2020-10-15 08:58:09,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-15 08:58:09,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-15 08:58:09,315 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-15 08:58:09,315 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2020-10-15 08:58:09,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 08:58:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 08:58:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 08:58:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 08:58:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 08:58:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-15 08:58:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-15 08:58:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-15 08:58:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-15 08:58:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-15 08:58:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure __virt_addr_valid [2020-10-15 08:58:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 08:58:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-15 08:58:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 08:58:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-15 08:58:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-15 08:58:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-15 08:58:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 08:58:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-15 08:58:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-15 08:58:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-15 08:58:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-15 08:58:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 08:58:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-15 08:58:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-15 08:58:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2020-10-15 08:58:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-15 08:58:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-15 08:58:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-15 08:58:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2020-10-15 08:58:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-15 08:58:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-15 08:58:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-15 08:58:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 08:58:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-15 08:58:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 08:58:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-15 08:58:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 08:58:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 08:58:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-15 08:58:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2020-10-15 08:58:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure completion_done [2020-10-15 08:58:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-15 08:58:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-15 08:58:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 08:58:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 08:58:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 08:58:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-15 08:58:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2020-10-15 08:58:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 08:58:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2020-10-15 08:58:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kcalloc_14 [2020-10-15 08:58:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2020-10-15 08:58:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 08:58:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-15 08:58:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 08:58:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 08:58:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 08:58:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 08:58:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 08:58:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 08:58:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 08:58:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 08:58:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 08:58:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 08:58:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 08:58:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 08:58:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 08:58:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 08:58:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 08:58:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-15 08:58:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-15 08:58:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2020-10-15 08:58:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 08:58:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2020-10-15 08:58:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2020-10-15 08:58:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2020-10-15 08:58:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2020-10-15 08:58:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2020-10-15 08:58:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2020-10-15 08:58:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-15 08:58:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-15 08:58:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2020-10-15 08:58:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-15 08:58:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 08:58:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 08:58:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 08:58:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 08:58:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-15 08:58:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-15 08:58:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-15 08:58:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-15 08:58:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-15 08:58:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-15 08:58:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 08:58:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_33 [2020-10-15 08:58:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 08:58:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_34 [2020-10-15 08:58:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-15 08:58:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-15 08:58:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2020-10-15 08:58:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_27 [2020-10-15 08:58:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2020-10-15 08:58:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-15 08:58:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-15 08:58:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_21 [2020-10-15 08:58:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2020-10-15 08:58:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2020-10-15 08:58:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2020-10-15 08:58:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2020-10-15 08:58:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2020-10-15 08:58:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2020-10-15 08:58:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2020-10-15 08:58:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-15 08:58:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-15 08:58:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-15 08:58:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_20 [2020-10-15 08:58:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_26 [2020-10-15 08:58:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_31 [2020-10-15 08:58:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-15 08:58:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-15 08:58:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2020-10-15 08:58:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2020-10-15 08:58:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2020-10-15 08:58:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-15 08:58:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2020-10-15 08:58:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2020-10-15 08:58:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 08:58:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2020-10-15 08:58:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure get_endpoints [2020-10-15 08:58:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure simple_callback [2020-10-15 08:58:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2020-10-15 08:58:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 08:58:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2020-10-15 08:58:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2020-10-15 08:58:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2020-10-15 08:58:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2020-10-15 08:58:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2020-10-15 08:58:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2020-10-15 08:58:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2020-10-15 08:58:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2020-10-15 08:58:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2020-10-15 08:58:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2020-10-15 08:58:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure get_altsetting [2020-10-15 08:58:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2020-10-15 08:58:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2020-10-15 08:58:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_ext [2020-10-15 08:58:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_ss_cap [2020-10-15 08:58:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_con_id [2020-10-15 08:58:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure ch9_postconfig [2020-10-15 08:58:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2020-10-15 08:58:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure test_ctrl_queue [2020-10-15 08:58:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1_callback [2020-10-15 08:58:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2020-10-15 08:58:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2020-10-15 08:58:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_queued_callback [2020-10-15 08:58:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_queued [2020-10-15 08:58:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2020-10-15 08:58:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure verify_halted [2020-10-15 08:58:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2020-10-15 08:58:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure halt_simple [2020-10-15 08:58:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2020-10-15 08:58:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure iso_callback [2020-10-15 08:58:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure iso_alloc_urb [2020-10-15 08:58:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2020-10-15 08:58:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2020-10-15 08:58:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2020-10-15 08:58:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_probe [2020-10-15 08:58:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_suspend [2020-10-15 08:58:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_resume [2020-10-15 08:58:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2020-10-15 08:58:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_init [2020-10-15 08:58:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_exit [2020-10-15 08:58:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 08:58:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-15 08:58:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 08:58:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 08:58:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2020-10-15 08:58:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-15 08:58:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-15 08:58:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-15 08:58:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-15 08:58:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 08:58:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 08:58:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 08:58:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 08:58:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 08:58:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 08:58:10,832 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 08:58:19,504 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 08:58:19,504 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 08:58:19,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:58:19 BoogieIcfgContainer [2020-10-15 08:58:19,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 08:58:19,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 08:58:19,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 08:58:19,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 08:58:19,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:58:06" (1/3) ... [2020-10-15 08:58:19,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441018c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:58:19, skipping insertion in model container [2020-10-15 08:58:19,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (2/3) ... [2020-10-15 08:58:19,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441018c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:58:19, skipping insertion in model container [2020-10-15 08:58:19,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:58:19" (3/3) ... [2020-10-15 08:58:19,538 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2020-10-15 08:58:19,549 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 08:58:19,558 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 08:58:19,576 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 08:58:19,613 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 08:58:19,613 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 08:58:19,614 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 08:58:19,614 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 08:58:19,614 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 08:58:19,614 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 08:58:19,614 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 08:58:19,614 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 08:58:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states. [2020-10-15 08:58:19,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-15 08:58:19,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:58:19,683 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 08:58:19,683 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:58:19,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:58:19,691 INFO L82 PathProgramCache]: Analyzing trace with hash 416026962, now seen corresponding path program 1 times [2020-10-15 08:58:19,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:58:19,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908156814] [2020-10-15 08:58:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:58:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:20,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:21,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:21,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:27,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:27,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-15 08:58:27,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 08:58:27,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6572 [2020-10-15 08:58:27,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:27,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:58:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 08:58:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:58:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 08:58:31,838 WARN L193 SmtUtils]: Spent 4.48 s on a formula simplification that was a NOOP. DAG size: 1060 [2020-10-15 08:58:31,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:58:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:31,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:33,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:33,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:58:33,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:33,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1465 [2020-10-15 08:58:33,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:33,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:58:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:33,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:58:33,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:58:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:33,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:33,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:33,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:58:33,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:33,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:58:33,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:33,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:58:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:33,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:58:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:58:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:33,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:33,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:33,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:58:33,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:33,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:58:33,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:33,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:58:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:33,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:58:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:58:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:33,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:33,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:33,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 08:58:33,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:33,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:58:33,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:33,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:58:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:58:33,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 08:58:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:33,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:33,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:33,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:58:33,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:58:33,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 08:58:33,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:33,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:33,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 08:58:33,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:58:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:58:33,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:58:33,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 08:58:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:33,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:33,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:33,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:58:33,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:33,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 08:58:33,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:33,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:58:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 08:58:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 08:58:33,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908156814] [2020-10-15 08:58:33,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:58:33,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 08:58:33,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263160976] [2020-10-15 08:58:33,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 08:58:33,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:58:33,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 08:58:33,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-15 08:58:33,760 INFO L87 Difference]: Start difference. First operand 1707 states. Second operand 8 states. [2020-10-15 08:58:38,093 WARN L193 SmtUtils]: Spent 4.26 s on a formula simplification that was a NOOP. DAG size: 1069 [2020-10-15 08:58:45,731 WARN L193 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 1072 [2020-10-15 08:58:50,145 WARN L193 SmtUtils]: Spent 4.30 s on a formula simplification that was a NOOP. DAG size: 1074 [2020-10-15 08:58:54,678 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 1071 [2020-10-15 08:59:43,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:59:43,363 INFO L93 Difference]: Finished difference Result 3616 states and 5284 transitions. [2020-10-15 08:59:43,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 08:59:43,368 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2020-10-15 08:59:43,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:59:43,414 INFO L225 Difference]: With dead ends: 3616 [2020-10-15 08:59:43,415 INFO L226 Difference]: Without dead ends: 2004 [2020-10-15 08:59:43,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-15 08:59:43,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-10-15 08:59:44,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1574. [2020-10-15 08:59:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1574 states. [2020-10-15 08:59:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2186 transitions. [2020-10-15 08:59:44,167 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2186 transitions. Word has length 47 [2020-10-15 08:59:44,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:59:44,168 INFO L479 AbstractCegarLoop]: Abstraction has 1574 states and 2186 transitions. [2020-10-15 08:59:44,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 08:59:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2186 transitions. [2020-10-15 08:59:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-15 08:59:44,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:59:44,174 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:59:44,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 08:59:44,175 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:59:44,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:59:44,175 INFO L82 PathProgramCache]: Analyzing trace with hash -181824382, now seen corresponding path program 1 times [2020-10-15 08:59:44,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:59:44,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134105480] [2020-10-15 08:59:44,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:59:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:44,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:50,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:50,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 08:59:50,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6019 [2020-10-15 08:59:50,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:50,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:59:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-15 08:59:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:59:50,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:59:54,882 WARN L193 SmtUtils]: Spent 4.33 s on a formula simplification that was a NOOP. DAG size: 1060 [2020-10-15 08:59:54,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:59:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:54,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:55,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:55,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:59:55,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:55,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1054 [2020-10-15 08:59:55,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:55,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:55,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:55,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:55,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:55,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:59:56,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:59:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:59:56,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:59:56,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:59:56,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:59:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:59:56,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:59:56,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:56,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:59:56,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:59:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 08:59:56,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:59:56,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:56,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:56,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:56,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 08:59:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 08:59:56,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 08:59:56,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:59:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:59:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 08:59:56,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:56,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 08:59:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 08:59:56,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 08:59:56,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-15 08:59:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:56,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:56,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 08:59:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 08:59:56,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:59:56,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:56,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:56,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:59:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:59:56,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:59:56,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:56,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:59:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:59:56,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:59:56,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:56,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:56,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:56,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:56,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:59:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:59:56,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:59:56,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:56,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:56,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 08:59:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:56,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:56,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:56,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:59:56,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:56,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 08:59:56,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:56,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:59:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:56,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:59:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-15 08:59:56,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134105480] [2020-10-15 08:59:56,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 08:59:56,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 08:59:56,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780852885] [2020-10-15 08:59:56,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 08:59:56,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:59:56,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 08:59:56,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-15 08:59:56,598 INFO L87 Difference]: Start difference. First operand 1574 states and 2186 transitions. Second operand 11 states. [2020-10-15 09:00:01,045 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 1069 [2020-10-15 09:00:08,559 WARN L193 SmtUtils]: Spent 4.49 s on a formula simplification that was a NOOP. DAG size: 1072 [2020-10-15 09:00:12,917 WARN L193 SmtUtils]: Spent 4.27 s on a formula simplification that was a NOOP. DAG size: 1063 [2020-10-15 09:00:17,579 WARN L193 SmtUtils]: Spent 4.61 s on a formula simplification that was a NOOP. DAG size: 1075 [2020-10-15 09:00:22,067 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 1065 [2020-10-15 09:01:15,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 09:01:15,761 INFO L93 Difference]: Finished difference Result 3557 states and 5084 transitions. [2020-10-15 09:01:15,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 09:01:15,767 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-15 09:01:15,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 09:01:15,789 INFO L225 Difference]: With dead ends: 3557 [2020-10-15 09:01:15,790 INFO L226 Difference]: Without dead ends: 1997 [2020-10-15 09:01:15,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 27.0s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-15 09:01:15,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2020-10-15 09:01:16,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1575. [2020-10-15 09:01:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1575 states. [2020-10-15 09:01:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 2188 transitions. [2020-10-15 09:01:17,012 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 2188 transitions. Word has length 84 [2020-10-15 09:01:17,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 09:01:17,013 INFO L479 AbstractCegarLoop]: Abstraction has 1575 states and 2188 transitions. [2020-10-15 09:01:17,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 09:01:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2188 transitions. [2020-10-15 09:01:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-15 09:01:17,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 09:01:17,026 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-15 09:01:17,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 09:01:17,027 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 09:01:17,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 09:01:17,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1275045401, now seen corresponding path program 2 times [2020-10-15 09:01:17,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 09:01:17,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850093301] [2020-10-15 09:01:17,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 09:01:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:17,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:22,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:22,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-15 09:01:22,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:22,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5199 [2020-10-15 09:01:22,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:22,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 09:01:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-15 09:01:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 09:01:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 09:01:27,127 WARN L193 SmtUtils]: Spent 4.45 s on a formula simplification that was a NOOP. DAG size: 1060 [2020-10-15 09:01:27,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 09:01:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:27,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 09:01:28,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 931 [2020-10-15 09:01:28,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:28,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 09:01:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 09:01:28,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 09:01:28,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:28,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:28,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 09:01:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 09:01:28,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 09:01:28,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 09:01:28,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 09:01:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 09:01:28,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 09:01:28,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:28,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 09:01:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 09:01:28,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-15 09:01:28,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 09:01:28,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 09:01:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 09:01:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:28,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 09:01:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 09:01:28,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 09:01:28,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-15 09:01:28,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:28,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 09:01:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 09:01:28,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 09:01:28,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:28,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 09:01:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 09:01:28,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 09:01:28,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:28,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 09:01:28,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 09:01:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 09:01:28,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 09:01:28,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:28,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 09:01:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 09:01:28,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 09:01:28,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:28,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 09:01:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:28,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:28,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:28,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 09:01:28,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:28,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 09:01:28,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:28,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 09:01:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:28,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-15 09:01:28,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850093301] [2020-10-15 09:01:28,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 09:01:28,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 09:01:29,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393483504] [2020-10-15 09:01:29,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 09:01:29,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 09:01:29,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 09:01:29,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-15 09:01:29,002 INFO L87 Difference]: Start difference. First operand 1575 states and 2188 transitions. Second operand 12 states. [2020-10-15 09:01:33,418 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification that was a NOOP. DAG size: 1069 [2020-10-15 09:01:41,215 WARN L193 SmtUtils]: Spent 4.65 s on a formula simplification that was a NOOP. DAG size: 1072 [2020-10-15 09:01:45,789 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification that was a NOOP. DAG size: 1063 [2020-10-15 09:01:50,246 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 1075