./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:23:45,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:23:45,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:23:45,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:23:45,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:23:45,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:23:45,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:23:45,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:23:45,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:23:45,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:23:45,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:23:45,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:23:45,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:23:45,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:23:45,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:23:45,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:23:45,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:23:45,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:23:45,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:23:45,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:23:45,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:23:45,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:23:45,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:23:45,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:23:45,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:23:45,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:23:45,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:23:45,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:23:45,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:23:45,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:23:45,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:23:45,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:23:45,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:23:45,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:23:45,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:23:45,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:23:45,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:23:45,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:23:45,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:23:45,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:23:45,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:23:45,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:23:45,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:23:45,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:23:45,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:23:45,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:23:45,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:23:45,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:23:45,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:23:45,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:23:45,162 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:23:45,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:23:45,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:23:45,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:23:45,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:23:45,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:23:45,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:23:45,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:23:45,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:23:45,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:23:45,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:23:45,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:23:45,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:23:45,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:23:45,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:23:45,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:23:45,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:23:45,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:23:45,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:23:45,166 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:23:45,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:23:45,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:23:45,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:23:45,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b [2021-12-21 16:23:45,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:23:45,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:23:45,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:23:45,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:23:45,391 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:23:45,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:23:45,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9143d2f/c4a455bde7de40e6bd264f75ce8ebbe2/FLAGfa0ecc593 [2021-12-21 16:23:45,864 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:23:45,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:23:45,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9143d2f/c4a455bde7de40e6bd264f75ce8ebbe2/FLAGfa0ecc593 [2021-12-21 16:23:46,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9143d2f/c4a455bde7de40e6bd264f75ce8ebbe2 [2021-12-21 16:23:46,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:23:46,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:23:46,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:23:46,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:23:46,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:23:46,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:46,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa54cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46, skipping insertion in model container [2021-12-21 16:23:46,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:46,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:23:46,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:23:46,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-21 16:23:46,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:23:46,743 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:23:46,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-21 16:23:46,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:23:46,905 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:23:46,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46 WrapperNode [2021-12-21 16:23:46,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:23:46,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:23:46,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:23:46,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:23:46,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:46,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:46,977 INFO L137 Inliner]: procedures = 94, calls = 1017, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1798 [2021-12-21 16:23:46,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:23:46,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:23:46,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:23:46,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:23:46,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:46,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:47,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:47,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:47,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:47,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:47,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:47,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:23:47,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:23:47,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:23:47,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:23:47,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (1/1) ... [2021-12-21 16:23:47,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:23:47,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:23:47,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:23:47,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:23:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:23:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:23:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:23:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-12-21 16:23:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-12-21 16:23:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-12-21 16:23:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-12-21 16:23:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:23:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:23:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:23:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:23:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:23:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-12-21 16:23:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-12-21 16:23:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-21 16:23:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-21 16:23:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-21 16:23:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-21 16:23:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:23:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 16:23:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 16:23:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-12-21 16:23:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-12-21 16:23:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:23:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:23:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:23:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:23:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-12-21 16:23:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-12-21 16:23:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-21 16:23:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-21 16:23:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-12-21 16:23:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-12-21 16:23:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-12-21 16:23:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-12-21 16:23:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-12-21 16:23:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-12-21 16:23:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-12-21 16:23:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-12-21 16:23:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:23:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:23:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:23:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:23:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:23:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-12-21 16:23:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-12-21 16:23:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:23:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-12-21 16:23:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-12-21 16:23:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:23:47,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:23:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:23:47,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:23:47,458 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:23:47,459 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:23:47,508 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:23:48,318 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:23:48,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:23:48,325 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:23:48,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:23:48 BoogieIcfgContainer [2021-12-21 16:23:48,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:23:48,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:23:48,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:23:48,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:23:48,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:23:46" (1/3) ... [2021-12-21 16:23:48,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f1e1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:23:48, skipping insertion in model container [2021-12-21 16:23:48,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:23:46" (2/3) ... [2021-12-21 16:23:48,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f1e1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:23:48, skipping insertion in model container [2021-12-21 16:23:48,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:23:48" (3/3) ... [2021-12-21 16:23:48,332 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:23:48,335 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:23:48,335 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:23:48,364 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:23:48,368 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:23:48,368 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:23:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 373 states, 283 states have (on average 1.4169611307420495) internal successors, (401), 290 states have internal predecessors, (401), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-21 16:23:48,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-21 16:23:48,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:48,407 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:48,408 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:48,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:48,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1914240548, now seen corresponding path program 1 times [2021-12-21 16:23:48,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:48,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669448986] [2021-12-21 16:23:48,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:48,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-21 16:23:48,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:48,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669448986] [2021-12-21 16:23:48,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669448986] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:48,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:23:48,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:23:48,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929560129] [2021-12-21 16:23:48,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:48,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:23:48,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:48,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:23:48,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:23:48,884 INFO L87 Difference]: Start difference. First operand has 373 states, 283 states have (on average 1.4169611307420495) internal successors, (401), 290 states have internal predecessors, (401), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:23:49,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:49,355 INFO L93 Difference]: Finished difference Result 746 states and 1075 transitions. [2021-12-21 16:23:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:23:49,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2021-12-21 16:23:49,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:49,378 INFO L225 Difference]: With dead ends: 746 [2021-12-21 16:23:49,378 INFO L226 Difference]: Without dead ends: 366 [2021-12-21 16:23:49,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:23:49,388 INFO L933 BasicCegarLoop]: 524 mSDtfsCounter, 81 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1549 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:49,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 1549 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 16:23:49,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-12-21 16:23:49,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2021-12-21 16:23:49,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 278 states have (on average 1.39568345323741) internal successors, (388), 279 states have internal predecessors, (388), 63 states have call successors, (63), 20 states have call predecessors, (63), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-21 16:23:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 514 transitions. [2021-12-21 16:23:49,447 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 514 transitions. Word has length 86 [2021-12-21 16:23:49,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:49,447 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 514 transitions. [2021-12-21 16:23:49,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:23:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 514 transitions. [2021-12-21 16:23:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-21 16:23:49,450 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:49,450 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:49,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:23:49,451 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:49,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:49,451 INFO L85 PathProgramCache]: Analyzing trace with hash -983315798, now seen corresponding path program 1 times [2021-12-21 16:23:49,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:49,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983155816] [2021-12-21 16:23:49,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:49,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-21 16:23:49,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:49,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983155816] [2021-12-21 16:23:49,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983155816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:49,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:23:49,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:23:49,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476761900] [2021-12-21 16:23:49,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:49,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:23:49,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:49,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:23:49,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:23:49,684 INFO L87 Difference]: Start difference. First operand 362 states and 514 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:23:50,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:50,100 INFO L93 Difference]: Finished difference Result 700 states and 1002 transitions. [2021-12-21 16:23:50,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:23:50,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2021-12-21 16:23:50,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:50,105 INFO L225 Difference]: With dead ends: 700 [2021-12-21 16:23:50,105 INFO L226 Difference]: Without dead ends: 692 [2021-12-21 16:23:50,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:23:50,106 INFO L933 BasicCegarLoop]: 579 mSDtfsCounter, 638 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:50,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 1389 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 16:23:50,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-12-21 16:23:50,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 675. [2021-12-21 16:23:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 526 states have (on average 1.4125475285171103) internal successors, (743), 529 states have internal predecessors, (743), 111 states have call successors, (111), 37 states have call predecessors, (111), 37 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2021-12-21 16:23:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 965 transitions. [2021-12-21 16:23:50,133 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 965 transitions. Word has length 86 [2021-12-21 16:23:50,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:50,133 INFO L470 AbstractCegarLoop]: Abstraction has 675 states and 965 transitions. [2021-12-21 16:23:50,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:23:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 965 transitions. [2021-12-21 16:23:50,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-21 16:23:50,136 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:50,137 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-21 16:23:50,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:23:50,137 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:50,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1802681606, now seen corresponding path program 1 times [2021-12-21 16:23:50,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:50,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025034534] [2021-12-21 16:23:50,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:50,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-21 16:23:50,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:50,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025034534] [2021-12-21 16:23:50,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025034534] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:50,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:23:50,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:23:50,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334387160] [2021-12-21 16:23:50,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:50,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:23:50,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:50,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:23:50,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:23:50,320 INFO L87 Difference]: Start difference. First operand 675 states and 965 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-21 16:23:50,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:50,790 INFO L93 Difference]: Finished difference Result 1488 states and 2121 transitions. [2021-12-21 16:23:50,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:23:50,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 110 [2021-12-21 16:23:50,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:50,794 INFO L225 Difference]: With dead ends: 1488 [2021-12-21 16:23:50,794 INFO L226 Difference]: Without dead ends: 833 [2021-12-21 16:23:50,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:23:50,796 INFO L933 BasicCegarLoop]: 523 mSDtfsCounter, 217 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:50,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 1572 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 16:23:50,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-12-21 16:23:50,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 824. [2021-12-21 16:23:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 652 states have (on average 1.4125766871165644) internal successors, (921), 656 states have internal predecessors, (921), 124 states have call successors, (124), 47 states have call predecessors, (124), 47 states have return successors, (124), 122 states have call predecessors, (124), 124 states have call successors, (124) [2021-12-21 16:23:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1169 transitions. [2021-12-21 16:23:50,824 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1169 transitions. Word has length 110 [2021-12-21 16:23:50,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:50,825 INFO L470 AbstractCegarLoop]: Abstraction has 824 states and 1169 transitions. [2021-12-21 16:23:50,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-21 16:23:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1169 transitions. [2021-12-21 16:23:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-21 16:23:50,828 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:50,829 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:50,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:23:50,829 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:50,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:50,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1483219582, now seen corresponding path program 1 times [2021-12-21 16:23:50,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:50,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640574423] [2021-12-21 16:23:50,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:50,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:23:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:23:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:23:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-12-21 16:23:51,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:51,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640574423] [2021-12-21 16:23:51,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640574423] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:51,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:23:51,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:23:51,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240977789] [2021-12-21 16:23:51,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:51,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:23:51,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:51,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:23:51,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:23:51,113 INFO L87 Difference]: Start difference. First operand 824 states and 1169 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:23:51,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:51,396 INFO L93 Difference]: Finished difference Result 1632 states and 2319 transitions. [2021-12-21 16:23:51,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:23:51,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 171 [2021-12-21 16:23:51,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:51,400 INFO L225 Difference]: With dead ends: 1632 [2021-12-21 16:23:51,400 INFO L226 Difference]: Without dead ends: 828 [2021-12-21 16:23:51,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:23:51,402 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 493 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:51,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [543 Valid, 1134 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 16:23:51,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2021-12-21 16:23:51,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 824. [2021-12-21 16:23:51,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 652 states have (on average 1.388036809815951) internal successors, (905), 656 states have internal predecessors, (905), 124 states have call successors, (124), 47 states have call predecessors, (124), 47 states have return successors, (124), 122 states have call predecessors, (124), 124 states have call successors, (124) [2021-12-21 16:23:51,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1153 transitions. [2021-12-21 16:23:51,436 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1153 transitions. Word has length 171 [2021-12-21 16:23:51,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:51,437 INFO L470 AbstractCegarLoop]: Abstraction has 824 states and 1153 transitions. [2021-12-21 16:23:51,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:23:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1153 transitions. [2021-12-21 16:23:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-21 16:23:51,439 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:51,440 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:51,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 16:23:51,440 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:51,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:51,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1271138360, now seen corresponding path program 1 times [2021-12-21 16:23:51,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:51,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024163307] [2021-12-21 16:23:51,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:51,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:23:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:23:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:23:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:51,635 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-12-21 16:23:51,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:51,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024163307] [2021-12-21 16:23:51,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024163307] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:51,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:23:51,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:23:51,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309103505] [2021-12-21 16:23:51,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:51,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:23:51,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:51,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:23:51,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:23:51,637 INFO L87 Difference]: Start difference. First operand 824 states and 1153 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 16:23:52,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:52,157 INFO L93 Difference]: Finished difference Result 2440 states and 3418 transitions. [2021-12-21 16:23:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:23:52,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 171 [2021-12-21 16:23:52,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:52,164 INFO L225 Difference]: With dead ends: 2440 [2021-12-21 16:23:52,164 INFO L226 Difference]: Without dead ends: 1636 [2021-12-21 16:23:52,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-21 16:23:52,166 INFO L933 BasicCegarLoop]: 924 mSDtfsCounter, 720 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 2654 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:52,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [738 Valid, 2654 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 16:23:52,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2021-12-21 16:23:52,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1115. [2021-12-21 16:23:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 883 states have (on average 1.3986409966024915) internal successors, (1235), 888 states have internal predecessors, (1235), 166 states have call successors, (166), 65 states have call predecessors, (166), 65 states have return successors, (166), 163 states have call predecessors, (166), 166 states have call successors, (166) [2021-12-21 16:23:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1567 transitions. [2021-12-21 16:23:52,232 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1567 transitions. Word has length 171 [2021-12-21 16:23:52,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:52,233 INFO L470 AbstractCegarLoop]: Abstraction has 1115 states and 1567 transitions. [2021-12-21 16:23:52,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 16:23:52,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1567 transitions. [2021-12-21 16:23:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-21 16:23:52,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:52,236 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:52,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 16:23:52,236 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:52,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:52,237 INFO L85 PathProgramCache]: Analyzing trace with hash -8725318, now seen corresponding path program 1 times [2021-12-21 16:23:52,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:52,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522019901] [2021-12-21 16:23:52,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:52,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:23:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:23:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:23:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,458 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-12-21 16:23:52,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:52,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522019901] [2021-12-21 16:23:52,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522019901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:52,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:23:52,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:23:52,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563169154] [2021-12-21 16:23:52,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:52,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:23:52,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:52,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:23:52,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:23:52,460 INFO L87 Difference]: Start difference. First operand 1115 states and 1567 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:23:52,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:52,725 INFO L93 Difference]: Finished difference Result 2115 states and 3011 transitions. [2021-12-21 16:23:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:23:52,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 171 [2021-12-21 16:23:52,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:52,729 INFO L225 Difference]: With dead ends: 2115 [2021-12-21 16:23:52,729 INFO L226 Difference]: Without dead ends: 936 [2021-12-21 16:23:52,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:23:52,731 INFO L933 BasicCegarLoop]: 571 mSDtfsCounter, 480 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:52,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [529 Valid, 1066 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 16:23:52,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-12-21 16:23:52,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 926. [2021-12-21 16:23:52,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 736 states have (on average 1.4116847826086956) internal successors, (1039), 740 states have internal predecessors, (1039), 139 states have call successors, (139), 50 states have call predecessors, (139), 50 states have return successors, (139), 137 states have call predecessors, (139), 139 states have call successors, (139) [2021-12-21 16:23:52,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1317 transitions. [2021-12-21 16:23:52,788 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1317 transitions. Word has length 171 [2021-12-21 16:23:52,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:52,789 INFO L470 AbstractCegarLoop]: Abstraction has 926 states and 1317 transitions. [2021-12-21 16:23:52,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:23:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1317 transitions. [2021-12-21 16:23:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-21 16:23:52,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:52,792 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:52,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 16:23:52,792 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:52,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:52,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1471789036, now seen corresponding path program 1 times [2021-12-21 16:23:52,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:52,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879336636] [2021-12-21 16:23:52,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:52,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:23:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:23:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:23:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-21 16:23:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-12-21 16:23:53,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:53,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879336636] [2021-12-21 16:23:53,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879336636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:53,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:23:53,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 16:23:53,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188518680] [2021-12-21 16:23:53,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:53,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 16:23:53,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:53,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 16:23:53,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:23:53,079 INFO L87 Difference]: Start difference. First operand 926 states and 1317 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-21 16:23:53,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:53,812 INFO L93 Difference]: Finished difference Result 1957 states and 2892 transitions. [2021-12-21 16:23:53,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:23:53,813 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 173 [2021-12-21 16:23:53,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:53,819 INFO L225 Difference]: With dead ends: 1957 [2021-12-21 16:23:53,819 INFO L226 Difference]: Without dead ends: 1602 [2021-12-21 16:23:53,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-12-21 16:23:53,821 INFO L933 BasicCegarLoop]: 773 mSDtfsCounter, 1537 mSDsluCounter, 3980 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 4753 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:53,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1537 Valid, 4753 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 16:23:53,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2021-12-21 16:23:53,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 936. [2021-12-21 16:23:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 746 states have (on average 1.406166219839142) internal successors, (1049), 750 states have internal predecessors, (1049), 139 states have call successors, (139), 50 states have call predecessors, (139), 50 states have return successors, (139), 137 states have call predecessors, (139), 139 states have call successors, (139) [2021-12-21 16:23:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1327 transitions. [2021-12-21 16:23:53,860 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1327 transitions. Word has length 173 [2021-12-21 16:23:53,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:53,860 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1327 transitions. [2021-12-21 16:23:53,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-21 16:23:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1327 transitions. [2021-12-21 16:23:53,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-21 16:23:53,864 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:53,864 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:53,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 16:23:53,864 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:53,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:53,865 INFO L85 PathProgramCache]: Analyzing trace with hash 225870394, now seen corresponding path program 1 times [2021-12-21 16:23:53,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:53,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054625802] [2021-12-21 16:23:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:53,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:23:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:23:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:23:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-21 16:23:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 16:23:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:23:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 16:23:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-12-21 16:23:54,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:54,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054625802] [2021-12-21 16:23:54,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054625802] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:54,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:23:54,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 16:23:54,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431025931] [2021-12-21 16:23:54,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:54,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 16:23:54,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:54,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 16:23:54,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:23:54,109 INFO L87 Difference]: Start difference. First operand 936 states and 1327 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-21 16:23:54,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:54,658 INFO L93 Difference]: Finished difference Result 1895 states and 2735 transitions. [2021-12-21 16:23:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 16:23:54,658 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 180 [2021-12-21 16:23:54,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:54,661 INFO L225 Difference]: With dead ends: 1895 [2021-12-21 16:23:54,661 INFO L226 Difference]: Without dead ends: 1069 [2021-12-21 16:23:54,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:23:54,663 INFO L933 BasicCegarLoop]: 549 mSDtfsCounter, 494 mSDsluCounter, 1297 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:54,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [518 Valid, 1846 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 16:23:54,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2021-12-21 16:23:54,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1046. [2021-12-21 16:23:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 874 states have (on average 1.3775743707093822) internal successors, (1204), 877 states have internal predecessors, (1204), 118 states have call successors, (118), 53 states have call predecessors, (118), 53 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2021-12-21 16:23:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1440 transitions. [2021-12-21 16:23:54,694 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1440 transitions. Word has length 180 [2021-12-21 16:23:54,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:54,694 INFO L470 AbstractCegarLoop]: Abstraction has 1046 states and 1440 transitions. [2021-12-21 16:23:54,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-21 16:23:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1440 transitions. [2021-12-21 16:23:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-21 16:23:54,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:54,697 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:54,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 16:23:54,697 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:54,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:54,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1770188866, now seen corresponding path program 1 times [2021-12-21 16:23:54,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:54,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240067054] [2021-12-21 16:23:54,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:54,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:23:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:23:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 16:23:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:23:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-21 16:23:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-12-21 16:23:54,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:54,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240067054] [2021-12-21 16:23:54,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240067054] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:23:54,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606880922] [2021-12-21 16:23:54,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:54,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:23:54,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:23:54,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:23:54,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 16:23:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:55,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-21 16:23:55,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:23:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-21 16:23:55,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:23:55,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606880922] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:55,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 16:23:55,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-12-21 16:23:55,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492212195] [2021-12-21 16:23:55,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:55,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:23:55,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:55,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:23:55,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:23:55,665 INFO L87 Difference]: Start difference. First operand 1046 states and 1440 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-21 16:23:55,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:55,737 INFO L93 Difference]: Finished difference Result 2146 states and 2953 transitions. [2021-12-21 16:23:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:23:55,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 179 [2021-12-21 16:23:55,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:55,741 INFO L225 Difference]: With dead ends: 2146 [2021-12-21 16:23:55,741 INFO L226 Difference]: Without dead ends: 1117 [2021-12-21 16:23:55,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:23:55,743 INFO L933 BasicCegarLoop]: 599 mSDtfsCounter, 96 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:55,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1690 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:23:55,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2021-12-21 16:23:55,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1106. [2021-12-21 16:23:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 925 states have (on average 1.3794594594594594) internal successors, (1276), 929 states have internal predecessors, (1276), 123 states have call successors, (123), 57 states have call predecessors, (123), 57 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-21 16:23:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1522 transitions. [2021-12-21 16:23:55,777 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1522 transitions. Word has length 179 [2021-12-21 16:23:55,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:55,777 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1522 transitions. [2021-12-21 16:23:55,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-21 16:23:55,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1522 transitions. [2021-12-21 16:23:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-21 16:23:55,779 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:55,780 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:55,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 16:23:56,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:23:56,001 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:56,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:56,002 INFO L85 PathProgramCache]: Analyzing trace with hash 586179371, now seen corresponding path program 1 times [2021-12-21 16:23:56,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:56,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882896680] [2021-12-21 16:23:56,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:56,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:23:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 16:23:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:23:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 16:23:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 16:23:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 16:23:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-21 16:23:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 16:23:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,230 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-21 16:23:56,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:56,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882896680] [2021-12-21 16:23:56,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882896680] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:23:56,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959731964] [2021-12-21 16:23:56,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:56,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:23:56,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:23:56,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:23:56,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 16:23:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:56,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 3091 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-21 16:23:56,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:23:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-12-21 16:23:56,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:23:56,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959731964] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:56,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 16:23:56,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-12-21 16:23:56,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365966318] [2021-12-21 16:23:56,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:56,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:23:56,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:56,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:23:56,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:23:56,963 INFO L87 Difference]: Start difference. First operand 1106 states and 1522 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-21 16:23:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:57,044 INFO L93 Difference]: Finished difference Result 2206 states and 3037 transitions. [2021-12-21 16:23:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:23:57,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 200 [2021-12-21 16:23:57,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:57,049 INFO L225 Difference]: With dead ends: 2206 [2021-12-21 16:23:57,049 INFO L226 Difference]: Without dead ends: 1107 [2021-12-21 16:23:57,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:23:57,051 INFO L933 BasicCegarLoop]: 502 mSDtfsCounter, 3 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:57,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1499 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:23:57,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2021-12-21 16:23:57,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1107. [2021-12-21 16:23:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 926 states have (on average 1.3790496760259179) internal successors, (1277), 930 states have internal predecessors, (1277), 123 states have call successors, (123), 57 states have call predecessors, (123), 57 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-21 16:23:57,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1523 transitions. [2021-12-21 16:23:57,127 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1523 transitions. Word has length 200 [2021-12-21 16:23:57,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:57,127 INFO L470 AbstractCegarLoop]: Abstraction has 1107 states and 1523 transitions. [2021-12-21 16:23:57,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-21 16:23:57,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1523 transitions. [2021-12-21 16:23:57,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-21 16:23:57,130 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:57,130 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:57,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 16:23:57,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-21 16:23:57,351 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:57,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:57,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1693839950, now seen corresponding path program 1 times [2021-12-21 16:23:57,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:57,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632287551] [2021-12-21 16:23:57,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:57,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 16:23:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 16:23:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 16:23:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-21 16:23:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 16:23:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 16:23:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 16:23:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-21 16:23:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2021-12-21 16:23:57,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:57,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632287551] [2021-12-21 16:23:57,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632287551] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:23:57,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51552322] [2021-12-21 16:23:57,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:57,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:23:57,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:23:57,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:23:57,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 16:23:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:58,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 3136 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-21 16:23:58,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:23:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 196 proven. 1 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2021-12-21 16:23:58,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 16:23:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2021-12-21 16:23:58,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51552322] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 16:23:58,850 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 16:23:58,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2021-12-21 16:23:58,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383134053] [2021-12-21 16:23:58,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 16:23:58,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-21 16:23:58,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:58,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-21 16:23:58,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-12-21 16:23:58,852 INFO L87 Difference]: Start difference. First operand 1107 states and 1523 transitions. Second operand has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 10 states have internal predecessors, (111), 2 states have call successors, (35), 5 states have call predecessors, (35), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-21 16:23:59,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:23:59,348 INFO L93 Difference]: Finished difference Result 2213 states and 3048 transitions. [2021-12-21 16:23:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 16:23:59,348 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 10 states have internal predecessors, (111), 2 states have call successors, (35), 5 states have call predecessors, (35), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 203 [2021-12-21 16:23:59,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:23:59,352 INFO L225 Difference]: With dead ends: 2213 [2021-12-21 16:23:59,352 INFO L226 Difference]: Without dead ends: 1110 [2021-12-21 16:23:59,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:23:59,354 INFO L933 BasicCegarLoop]: 498 mSDtfsCounter, 83 mSDsluCounter, 3735 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 4233 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:23:59,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 4233 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 16:23:59,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2021-12-21 16:23:59,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2021-12-21 16:23:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 929 states have (on average 1.3778256189451024) internal successors, (1280), 933 states have internal predecessors, (1280), 123 states have call successors, (123), 57 states have call predecessors, (123), 57 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-21 16:23:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1526 transitions. [2021-12-21 16:23:59,385 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1526 transitions. Word has length 203 [2021-12-21 16:23:59,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:23:59,385 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1526 transitions. [2021-12-21 16:23:59,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 10 states have internal predecessors, (111), 2 states have call successors, (35), 5 states have call predecessors, (35), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-21 16:23:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1526 transitions. [2021-12-21 16:23:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-21 16:23:59,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:23:59,388 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:23:59,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 16:23:59,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:23:59,609 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:23:59,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:23:59,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1988960661, now seen corresponding path program 2 times [2021-12-21 16:23:59,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:23:59,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370670614] [2021-12-21 16:23:59,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:23:59,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:23:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:23:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:23:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:23:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:23:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:23:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 16:23:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 16:23:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 16:23:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-21 16:23:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-21 16:23:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:23:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:23:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:23:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-21 16:23:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:23:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-21 16:23:59,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:23:59,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370670614] [2021-12-21 16:23:59,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370670614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:23:59,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:23:59,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-21 16:23:59,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107124843] [2021-12-21 16:23:59,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:23:59,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-21 16:23:59,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:23:59,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-21 16:23:59,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-12-21 16:23:59,999 INFO L87 Difference]: Start difference. First operand 1110 states and 1526 transitions. Second operand has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 11 states have internal predecessors, (83), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-21 16:24:01,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:01,128 INFO L93 Difference]: Finished difference Result 2790 states and 4012 transitions. [2021-12-21 16:24:01,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-21 16:24:01,128 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 11 states have internal predecessors, (83), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 212 [2021-12-21 16:24:01,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:01,136 INFO L225 Difference]: With dead ends: 2790 [2021-12-21 16:24:01,136 INFO L226 Difference]: Without dead ends: 2331 [2021-12-21 16:24:01,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2021-12-21 16:24:01,138 INFO L933 BasicCegarLoop]: 1318 mSDtfsCounter, 2815 mSDsluCounter, 5786 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 1166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 7104 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1166 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:01,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2815 Valid, 7104 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1166 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 16:24:01,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2021-12-21 16:24:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 1113. [2021-12-21 16:24:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 932 states have (on average 1.3766094420600858) internal successors, (1283), 936 states have internal predecessors, (1283), 123 states have call successors, (123), 57 states have call predecessors, (123), 57 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-21 16:24:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1529 transitions. [2021-12-21 16:24:01,196 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1529 transitions. Word has length 212 [2021-12-21 16:24:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:01,196 INFO L470 AbstractCegarLoop]: Abstraction has 1113 states and 1529 transitions. [2021-12-21 16:24:01,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 11 states have internal predecessors, (83), 3 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-21 16:24:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1529 transitions. [2021-12-21 16:24:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-21 16:24:01,200 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:01,200 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:01,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 16:24:01,200 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:01,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:01,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1513661749, now seen corresponding path program 1 times [2021-12-21 16:24:01,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:24:01,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784804359] [2021-12-21 16:24:01,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:01,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:24:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:24:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:24:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:24:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:24:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:24:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:24:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:24:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:24:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:24:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:24:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:24:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 16:24:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 16:24:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:24:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:24:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 16:24:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:24:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:24:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-21 16:24:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:24:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:24:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-21 16:24:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:24:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:24:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:24:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 16:24:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-21 16:24:01,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:24:01,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784804359] [2021-12-21 16:24:01,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784804359] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:24:01,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934930657] [2021-12-21 16:24:01,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:01,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:24:01,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:24:01,467 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:24:01,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 16:24:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:02,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 3341 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 16:24:02,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-21 16:24:02,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:02,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934930657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:02,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 16:24:02,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2021-12-21 16:24:02,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99858386] [2021-12-21 16:24:02,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:02,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:24:02,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:24:02,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:24:02,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:24:02,334 INFO L87 Difference]: Start difference. First operand 1113 states and 1529 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-21 16:24:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:02,555 INFO L93 Difference]: Finished difference Result 2603 states and 3556 transitions. [2021-12-21 16:24:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:24:02,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 220 [2021-12-21 16:24:02,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:02,561 INFO L225 Difference]: With dead ends: 2603 [2021-12-21 16:24:02,561 INFO L226 Difference]: Without dead ends: 1664 [2021-12-21 16:24:02,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-12-21 16:24:02,563 INFO L933 BasicCegarLoop]: 884 mSDtfsCounter, 587 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 2707 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:02,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [609 Valid, 2707 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:24:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2021-12-21 16:24:02,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1119. [2021-12-21 16:24:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 936 states have (on average 1.3771367521367521) internal successors, (1289), 940 states have internal predecessors, (1289), 125 states have call successors, (125), 57 states have call predecessors, (125), 57 states have return successors, (125), 123 states have call predecessors, (125), 125 states have call successors, (125) [2021-12-21 16:24:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1539 transitions. [2021-12-21 16:24:02,672 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1539 transitions. Word has length 220 [2021-12-21 16:24:02,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:02,672 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 1539 transitions. [2021-12-21 16:24:02,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-21 16:24:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1539 transitions. [2021-12-21 16:24:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-21 16:24:02,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:02,675 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:02,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:02,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:24:02,896 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:02,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:02,897 INFO L85 PathProgramCache]: Analyzing trace with hash -74686153, now seen corresponding path program 1 times [2021-12-21 16:24:02,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:24:02,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355980810] [2021-12-21 16:24:02,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:02,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:24:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 16:24:03,300 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 16:24:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 16:24:03,758 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 16:24:03,759 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 16:24:03,759 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 16:24:03,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 16:24:03,763 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:03,764 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 16:24:03,786 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,787 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,787 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,787 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,787 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,790 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,790 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,790 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,790 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,790 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,792 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,793 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,793 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,793 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,793 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,793 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,793 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,794 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,794 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,794 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,794 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,794 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,794 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,795 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,795 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,795 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,795 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,795 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,795 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,795 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,796 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,796 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,796 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:24:03,796 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:24:03,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 04:24:03 BoogieIcfgContainer [2021-12-21 16:24:03,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 16:24:03,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 16:24:03,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 16:24:03,927 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 16:24:03,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:23:48" (3/4) ... [2021-12-21 16:24:03,929 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 16:24:03,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 16:24:03,930 INFO L158 Benchmark]: Toolchain (without parser) took 17754.53ms. Allocated memory was 102.8MB in the beginning and 545.3MB in the end (delta: 442.5MB). Free memory was 67.3MB in the beginning and 309.4MB in the end (delta: -242.1MB). Peak memory consumption was 198.8MB. Max. memory is 16.1GB. [2021-12-21 16:24:03,930 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 16:24:03,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.65ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 67.1MB in the beginning and 67.5MB in the end (delta: -360.0kB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2021-12-21 16:24:03,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.81ms. Allocated memory is still 127.9MB. Free memory was 67.5MB in the beginning and 55.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 16:24:03,931 INFO L158 Benchmark]: Boogie Preprocessor took 113.95ms. Allocated memory is still 127.9MB. Free memory was 55.5MB in the beginning and 75.5MB in the end (delta: -20.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-12-21 16:24:03,931 INFO L158 Benchmark]: RCFGBuilder took 1233.68ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 75.5MB in the beginning and 89.6MB in the end (delta: -14.1MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2021-12-21 16:24:03,932 INFO L158 Benchmark]: TraceAbstraction took 15599.02ms. Allocated memory was 186.6MB in the beginning and 545.3MB in the end (delta: 358.6MB). Free memory was 88.6MB in the beginning and 309.4MB in the end (delta: -220.8MB). Peak memory consumption was 288.8MB. Max. memory is 16.1GB. [2021-12-21 16:24:03,932 INFO L158 Benchmark]: Witness Printer took 2.57ms. Allocated memory is still 545.3MB. Free memory is still 309.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 16:24:03,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 727.65ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 67.1MB in the beginning and 67.5MB in the end (delta: -360.0kB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.81ms. Allocated memory is still 127.9MB. Free memory was 67.5MB in the beginning and 55.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.95ms. Allocated memory is still 127.9MB. Free memory was 55.5MB in the beginning and 75.5MB in the end (delta: -20.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1233.68ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 75.5MB in the beginning and 89.6MB in the end (delta: -14.1MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15599.02ms. Allocated memory was 186.6MB in the beginning and 545.3MB in the end (delta: 358.6MB). Free memory was 88.6MB in the beginning and 309.4MB in the end (delta: -220.8MB). Peak memory consumption was 288.8MB. Max. memory is 16.1GB. * Witness Printer took 2.57ms. Allocated memory is still 545.3MB. Free memory is still 309.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4446]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3511, overapproximation of bitwiseOr at line 3426. Possible FailurePath: [L3431] int LDV_IN_INTERRUPT = 1; [L3432] int ldv_state_variable_2 ; [L3433] int ref_cnt ; [L3434] struct usb_serial *qcdevice_group1 ; [L3435] int ldv_state_variable_1 ; [L3436] struct usb_interface *qcdriver_group1 ; [L3437] int usb_counter ; [L3438] struct usb_serial_port *qcdevice_group0 ; [L3439] struct tty_struct *qcdevice_group2 ; [L3440] int ldv_state_variable_0 ; [L3556] static int debug ; [L3557-L3730] static struct usb_device_id const id_table[59U] = { {3U, 1478U, 37393U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37394U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 7965U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 8221U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1242U, 9485U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1242U, 9484U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33138U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33137U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5136U, 40961U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5136U, 40968U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2821U, 6006U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2821U, 6004U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6610U, 65523U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6610U, 65522U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5463U, 2688U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36866U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37378U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37379U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37410U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36872U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37377U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37409U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37425U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8005U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33157U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33158U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37384U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37387U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37412U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37413U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37444U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37445U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 9245U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 9501U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37396U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37397U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37476U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37477U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37428U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37429U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37492U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37493U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36864U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36866U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36867U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36868U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36869U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36870U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36871U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36872U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36873U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36874U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5848U, 32769U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5848U, 32770U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37380U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37381U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3731] struct usb_device_id const __mod_usb_device_table ; [L3732-L3746] static struct usb_driver qcdriver = {"qcserial", & usb_serial_probe, & usb_serial_disconnect, 0, & usb_serial_suspend, & usb_serial_resume, 0, 0, 0, (struct usb_device_id const *)(& id_table), {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, (unsigned char)0}; [L3902-L3908] static struct usb_serial_driver qcdevice = {"Qualcomm USB modem", (struct usb_device_id const *)(& id_table), 1, {0, 0}, {"qcserial", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & qcdriver, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, & qcprobe, & usb_wwan_startup, 0, & usb_wwan_disconnect, & qc_release, 0, 0, & usb_wwan_suspend, & usb_wwan_resume, & usb_wwan_open, & usb_wwan_close, & usb_wwan_write, & usb_wwan_write_room, 0, 0, 0, & usb_wwan_chars_in_buffer, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3936] int ldv_retval_2 ; [L3937] int ldv_retval_5 ; [L3938] int ldv_retval_0 ; [L3939] int ldv_retval_4 ; [L3940] int ldv_retval_6 ; [L3942] int ldv_retval_1 ; [L3944] int ldv_retval_8 ; [L3945] int ldv_retval_3 ; [L3946] int ldv_retval_7 ; [L4449] int ldv_alloc_count = 0; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] struct usb_device_id *ldvarg1 ; [L3974] void *tmp ; [L3975] unsigned char *ldvarg3 ; [L3976] void *tmp___0 ; [L3977] pm_message_t ldvarg0 ; [L3978] int ldvarg2 ; [L3979] pm_message_t ldvarg4 ; [L3980] struct usb_device_id *ldvarg5 ; [L3981] void *tmp___1 ; [L3982] int tmp___2 ; [L3983] int tmp___3 ; [L3984] int tmp___4 ; [L3985] int tmp___5 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg2={36893488147419103238:0}, ldvarg4={36893488147419103236:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3987] CALL, EXPR ldv_init_zalloc(24UL) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-18446744073709551617:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-18446744073709551617:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=24, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-18446744073709551617:0}, usb_counter=0] [L3987] RET, EXPR ldv_init_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(24UL)={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg2={36893488147419103238:0}, ldvarg4={36893488147419103236:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3987] tmp = ldv_init_zalloc(24UL) [L3988] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg4={36893488147419103236:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, usb_counter=0] [L3989] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-36893488147419103233:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-36893488147419103233:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=1, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-36893488147419103233:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}, usb_counter=0] [L3989] RET, EXPR ldv_init_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg4={36893488147419103236:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, usb_counter=0] [L3989] tmp___0 = ldv_init_zalloc(1UL) [L3990] ldvarg3 = (unsigned char *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, usb_counter=0] [L3991] CALL, EXPR ldv_init_zalloc(24UL) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-55340232221128654849:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-55340232221128654849:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-55340232221128654849:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-55340232221128654849:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-55340232221128654849:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=24, \result={-55340232221128654849:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-55340232221128654849:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp={-55340232221128654849:0}, usb_counter=0] [L3991] RET, EXPR ldv_init_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(24UL)={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, usb_counter=0] [L3991] tmp___1 = ldv_init_zalloc(24UL) [L3992] ldvarg5 = (struct usb_device_id *)tmp___1 [L3993] FCALL ldv_initialize() [L3994] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3351] void *tmp ; [L3353] EXPR, FCALL memset(s, c, n) [L3353] tmp = memset(s, c, n) [L3354] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103237:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, c=0, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, s={36893488147419103237:0}, s={36893488147419103237:0}, tmp={36893488147419103237:0}, usb_counter=0] [L3994] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={36893488147419103237:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, usb_counter=0] [L3995] CALL ldv_memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3351] void *tmp ; [L3353] EXPR, FCALL memset(s, c, n) [L3353] tmp = memset(s, c, n) [L3354] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103238:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, c=0, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, s={36893488147419103238:0}, s={36893488147419103238:0}, tmp={36893488147419103238:0}, usb_counter=0] [L3995] RET ldv_memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg2), 0, 4UL)={36893488147419103238:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, usb_counter=0] [L3996] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3351] void *tmp ; [L3353] EXPR, FCALL memset(s, c, n) [L3353] tmp = memset(s, c, n) [L3354] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103236:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, c=0, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, s={36893488147419103236:0}, s={36893488147419103236:0}, tmp={36893488147419103236:0}, usb_counter=0] [L3996] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={36893488147419103236:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, usb_counter=0] [L3997] ldv_state_variable_1 = 0 [L3998] ref_cnt = 0 [L3999] ldv_state_variable_0 = 1 [L4000] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, usb_counter=0] [L4002] tmp___2 = __VERIFIER_nondet_int() [L4004] case 0: [L4210] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, usb_counter=0] [L4211] COND TRUE ldv_state_variable_0 != 0 [L4212] tmp___4 = __VERIFIER_nondet_int() [L4214] case 0: [L4222] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___4=1, usb_counter=0] [L4223] COND TRUE ldv_state_variable_0 == 1 [L4224] CALL, EXPR qcinit() [L3911] int retval ; [L3913] CALL, EXPR usb_serial_register(& qcdevice) [L4514] return __VERIFIER_nondet_int(); [L3913] RET, EXPR usb_serial_register(& qcdevice) [L3913] retval = usb_serial_register(& qcdevice) [L3914] COND FALSE !(retval != 0) [L3918] CALL, EXPR usb_register(& qcdriver) [L3509] int tmp ; [L3511] CALL, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L4335] ldv_func_ret_type ldv_func_res ; [L4336] int tmp ; [L4338] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4500] return __VERIFIER_nondet_int(); [L4338] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4338] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4339] ldv_func_res = tmp [L4340] ldv_state_variable_2 = 1 [L4341] usb_counter = 0 [L4342] CALL ldv_usb_driver_2() [L3964] void *tmp ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3966] CALL, EXPR ldv_init_zalloc(1232UL) VAL [\old(size)=1232, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1232, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={18446744073709551618:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=1232, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={18446744073709551618:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, p={18446744073709551618:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp={18446744073709551618:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1232, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={18446744073709551618:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, p={18446744073709551618:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp={18446744073709551618:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=1232, \result={18446744073709551618:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={18446744073709551618:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, p={18446744073709551618:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp={18446744073709551618:0}, usb_counter=0] [L3966] RET, EXPR ldv_init_zalloc(1232UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1232UL)={18446744073709551618:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3966] tmp = ldv_init_zalloc(1232UL) [L3967] qcdriver_group1 = (struct usb_interface *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={18446744073709551618:0}, usb_counter=0] [L4342] RET ldv_usb_driver_2() [L4343] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, ldv_func_arg1={32:0}, ldv_func_arg1={32:0}, ldv_func_arg2={36893488147419103245:36893488147419103243}, ldv_func_arg2={36893488147419103245:36893488147419103243}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3511] RET, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3511] tmp = ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3512] return (tmp); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, driver={32:0}, driver={32:0}, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3918] RET, EXPR usb_register(& qcdriver) [L3918] retval = usb_register(& qcdriver) [L3919] COND FALSE !(retval != 0) [L3924] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=0, usb_counter=0] [L4224] RET, EXPR qcinit() [L4224] ldv_retval_5 = qcinit() [L4225] COND FALSE !(ldv_retval_5 != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___4=1, usb_counter=0] [L4230] COND TRUE ldv_retval_5 == 0 [L4231] ldv_state_variable_0 = 2 [L4232] ldv_state_variable_1 = 1 [L4233] CALL ldv_initialize_usb_serial_driver_1() [L3949] void *tmp ; [L3950] void *tmp___0 ; [L3951] void *tmp___1 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3953] CALL, EXPR ldv_init_zalloc(2304UL) VAL [\old(size)=2304, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2304, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=2304, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=2304, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={36893488147419103233:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=2304, tmp={36893488147419103233:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2304, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={36893488147419103233:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=2304, tmp={36893488147419103233:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=2304, \result={36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={36893488147419103233:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={36893488147419103233:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=2304, tmp={36893488147419103233:0}, usb_counter=0] [L3953] RET, EXPR ldv_init_zalloc(2304UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2304UL)={36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3953] tmp = ldv_init_zalloc(2304UL) [L3954] qcdevice_group0 = (struct usb_serial_port *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={36893488147419103233:0}, usb_counter=0] [L3955] CALL, EXPR ldv_init_zalloc(280UL) VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=280, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=280, tmp={18446744073709551617:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=280, tmp={18446744073709551617:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=280, \result={18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={18446744073709551617:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=280, tmp={18446744073709551617:0}, usb_counter=0] [L3955] RET, EXPR ldv_init_zalloc(280UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(280UL)={18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={36893488147419103233:0}, usb_counter=0] [L3955] tmp___0 = ldv_init_zalloc(280UL) [L3956] qcdevice_group1 = (struct usb_serial *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={36893488147419103233:0}, tmp___0={18446744073709551617:0}, usb_counter=0] [L3957] CALL, EXPR ldv_init_zalloc(2696UL) VAL [\old(size)=2696, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3340] void *p ; [L3341] void *tmp ; [L3343] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2696, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=2696, usb_counter=0] [L3343] tmp = calloc(1UL, size) [L3344] p = tmp VAL [\old(size)=2696, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-73786976294838206465:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=2696, tmp={-73786976294838206465:0}, usb_counter=0] [L3345] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3345] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2696, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-73786976294838206465:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=2696, tmp={-73786976294838206465:0}, usb_counter=0] [L3346] return (p); VAL [\old(size)=2696, \result={-73786976294838206465:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-73786976294838206465:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=2696, tmp={-73786976294838206465:0}, usb_counter=0] [L3957] RET, EXPR ldv_init_zalloc(2696UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2696UL)={-73786976294838206465:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={36893488147419103233:0}, tmp___0={18446744073709551617:0}, usb_counter=0] [L3957] tmp___1 = ldv_init_zalloc(2696UL) [L3958] qcdevice_group2 = (struct tty_struct *)tmp___1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={36893488147419103233:0}, tmp___0={18446744073709551617:0}, tmp___1={-73786976294838206465:0}, usb_counter=0] [L4233] RET ldv_initialize_usb_serial_driver_1() [L4002] tmp___2 = __VERIFIER_nondet_int() [L4004] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=0, tmp___4=1, usb_counter=0] [L4005] COND TRUE ldv_state_variable_1 != 0 [L4006] tmp___3 = __VERIFIER_nondet_int() [L4008] case 0: [L4022] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=0, tmp___3=1, tmp___4=1, usb_counter=0] [L4023] COND TRUE ldv_state_variable_1 == 1 [L4024] CALL, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L3749] struct usb_wwan_intf_private *data ; [L3750] struct usb_host_interface *intf ; [L3751] int retval ; [L3752] __u8 nintf ; [L3753] __u8 ifnum ; [L3754] void *tmp ; [L3755] struct lock_class_key __key ; [L3756] int tmp___0 ; [L3757] int tmp___1 ; [L3759] EXPR serial->interface [L3759] EXPR (serial->interface)->cur_altsetting [L3759] intf = (serial->interface)->cur_altsetting [L3760] retval = -19 VAL [__key={36893488147419103235:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, intf={36893488147419103239:-6}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=-19, serial={18446744073709551617:0}, serial={18446744073709551617:0}, usb_counter=0] [L3761] COND FALSE !(debug != 0) VAL [__key={36893488147419103235:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, intf={36893488147419103239:-6}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=-19, serial={18446744073709551617:0}, serial={18446744073709551617:0}, usb_counter=0] [L3766] EXPR serial->dev [L3766] EXPR (serial->dev)->actconfig [L3766] EXPR ((serial->dev)->actconfig)->desc.bNumInterfaces [L3766] nintf = ((serial->dev)->actconfig)->desc.bNumInterfaces [L3767] COND FALSE !(debug != 0) VAL [__key={36893488147419103235:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, intf={36893488147419103239:-6}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=-19, serial={18446744073709551617:0}, serial={18446744073709551617:0}, usb_counter=0] [L3772] EXPR intf->desc.bInterfaceNumber [L3772] ifnum = intf->desc.bInterfaceNumber [L3773] COND FALSE !(debug != 0) VAL [__key={36893488147419103235:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=9, intf={36893488147419103239:-6}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=-19, serial={18446744073709551617:0}, serial={18446744073709551617:0}, usb_counter=0] [L3778] CALL, EXPR kzalloc(96UL, 208U) [L4322] void *res ; [L4324] CALL, EXPR ldv_kzalloc_1(size, flags) [L3424] void *tmp ; [L3426] CALL, EXPR kmalloc(size, flags | 32768U) [L3416] void *tmp___2 ; [L3418] CALL, EXPR __kmalloc(size, flags) [L3411] CALL, EXPR ldv_malloc(size) [L3306] void *p ; [L3307] void *tmp ; [L3308] int tmp___0 ; [L3310] tmp___0 = __VERIFIER_nondet_int() [L3311] COND FALSE !(tmp___0 != 0) [L3314] tmp = malloc(size) [L3315] p = tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=96, tmp={-92233720368547758081:0}, tmp___0=0, usb_counter=0] [L3316] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3302] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3316] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=96, tmp={-92233720368547758081:0}, tmp___0=0, usb_counter=0] [L3317] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=96, tmp={-92233720368547758081:0}, tmp___0=0, usb_counter=0] [L3411] RET, EXPR ldv_malloc(size) [L3411] return ldv_malloc(size); [L3418] RET, EXPR __kmalloc(size, flags) [L3418] tmp___2 = __kmalloc(size, flags) [L3419] return (tmp___2); VAL [\old(flags)=10, \old(size)=96, \result={-92233720368547758081:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, flags=10, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=96, tmp___2={-92233720368547758081:0}, usb_counter=0] [L3426] RET, EXPR kmalloc(size, flags | 32768U) [L3426] tmp = kmalloc(size, flags | 32768U) [L3427] return (tmp); VAL [\old(flags)=208, \old(size)=96, \result={-92233720368547758081:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, size=96, tmp={-92233720368547758081:0}, usb_counter=0] [L4324] RET, EXPR ldv_kzalloc_1(size, flags) [L4324] res = ldv_kzalloc_1(size, flags) [L4325] COND TRUE (unsigned long )res != (unsigned long )((void *)0) [L4326] CALL ldv_alloc() [L4453] ldv_alloc_count = ldv_alloc_count + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L4326] RET ldv_alloc() [L4329] return (res); VAL [\old(flags)=208, \old(size)=96, \result={-92233720368547758081:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, res={-92233720368547758081:0}, size=96, usb_counter=0] [L3778] RET, EXPR kzalloc(96UL, 208U) [L3778] tmp = kzalloc(96UL, 208U) [L3779] data = (struct usb_wwan_intf_private *)tmp VAL [__key={36893488147419103235:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, data={-92233720368547758081:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=9, intf={36893488147419103239:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=-19, serial={18446744073709551617:0}, serial={18446744073709551617:0}, tmp={-92233720368547758081:0}, usb_counter=0] [L3780] COND FALSE !((unsigned long )data == (unsigned long )((struct usb_wwan_intf_private *)0)) [L3784] CALL spinlock_check(& data->susp_lock) [L3400] return (& lock->__annonCompField19.rlock); VAL [\result={-92233720368547758081:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={-92233720368547758081:0}, lock={-92233720368547758081:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3784] RET spinlock_check(& data->susp_lock) [L3785-L3786] FCALL __raw_spin_lock_init(& data->susp_lock.__annonCompField19.rlock, "&(&data->susp_lock)->rlock", & __key) [L3787] EXPR serial->dev [L3787] FCALL usb_enable_autosuspend(serial->dev) [L3789] case 1: [L3790] EXPR serial->interface [L3790] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=42, __key={36893488147419103235:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, data={-92233720368547758081:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=9, intf={36893488147419103239:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=-19, serial={18446744073709551617:0}, serial={18446744073709551617:0}, serial->interface={36893488147419103240:73}, tmp={-92233720368547758081:0}, usb_counter=0] [L3790] COND FALSE !((serial->interface)->num_altsetting == 2U) [L3793] EXPR serial->interface [L3793] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=42, __key={36893488147419103235:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, data={-92233720368547758081:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=9, intf={36893488147419103239:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=-19, serial={18446744073709551617:0}, serial={18446744073709551617:0}, serial->interface={36893488147419103240:73}, tmp={-92233720368547758081:0}, usb_counter=0] [L3793] COND TRUE (serial->interface)->num_altsetting > 2U [L3877] COND FALSE !(retval != -19) VAL [__key={36893488147419103235:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, data={-92233720368547758081:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=9, intf={36893488147419103239:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=-19, serial={18446744073709551617:0}, serial={18446744073709551617:0}, tmp={-92233720368547758081:0}, usb_counter=0] [L3881] return (retval); [L3881] return (retval); VAL [\result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, data={-92233720368547758081:0}, debug=0, id={-18446744073709551617:0}, id={-18446744073709551617:0}, id_table={31:0}, ifnum=9, intf={36893488147419103239:-6}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, retval=-19, serial={18446744073709551617:0}, serial={18446744073709551617:0}, tmp={-92233720368547758081:0}, usb_counter=0] [L4024] RET, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4024] ldv_retval_4 = qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4025] COND FALSE !(ldv_retval_4 == 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=0, tmp___3=1, tmp___4=1, usb_counter=0] [L4002] tmp___2 = __VERIFIER_nondet_int() [L4004] case 0: [L4210] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___3=1, tmp___4=1, usb_counter=0] [L4211] COND TRUE ldv_state_variable_0 != 0 [L4212] tmp___4 = __VERIFIER_nondet_int() [L4214] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___3=1, tmp___4=0, usb_counter=0] [L4215] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 [L4216] CALL qcexit() [L3930] CALL ldv_usb_deregister_11(& qcdriver) [L4437] FCALL usb_deregister(arg) [L4438] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, arg={32:0}, arg={32:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L3930] RET ldv_usb_deregister_11(& qcdriver) [L3931] FCALL usb_serial_deregister(& qcdevice) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] [L4216] RET qcexit() [L4217] ldv_state_variable_0 = 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={36893488147419103237:0}, ldvarg1={-18446744073709551617:0}, ldvarg2={36893488147419103238:0}, ldvarg3={-36893488147419103233:0}, ldvarg4={36893488147419103236:0}, ldvarg5={-55340232221128654849:0}, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2=1, tmp___3=1, tmp___4=0, usb_counter=0] [L4315] CALL ldv_check_final_state() [L4467] COND TRUE ldv_alloc_count != 0 [L4468] CALL ldv_error() [L4446] reach_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={36893488147419103245:36893488147419103243}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={36893488147419103233:0}, qcdevice_group1={18446744073709551617:0}, qcdevice_group2={-73786976294838206465:0}, qcdriver={32:0}, qcdriver_group1={18446744073709551618:0}, ref_cnt=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 374 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 14, TraceHistogramMax: 12, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8461 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8244 mSDsluCounter, 33196 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24460 mSDsCounter, 3395 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3948 IncrementalHoareTripleChecker+Invalid, 7343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3395 mSolverCounterUnsat, 8736 mSDtfsCounter, 3948 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1684 GetRequests, 1549 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1119occurred in iteration=13, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 3028 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 3184 NumberOfCodeBlocks, 3184 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3149 ConstructedInterpolants, 0 QuantifiedInterpolants, 5140 SizeOfPredicates, 11 NumberOfNonLiveVariables, 12504 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 4933/4987 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-21 16:24:03,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:24:05,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:24:05,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:24:05,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:24:05,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:24:05,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:24:05,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:24:05,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:24:05,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:24:05,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:24:05,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:24:05,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:24:05,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:24:05,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:24:05,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:24:05,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:24:05,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:24:05,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:24:05,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:24:05,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:24:05,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:24:05,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:24:05,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:24:05,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:24:05,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:24:05,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:24:05,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:24:05,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:24:05,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:24:05,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:24:05,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:24:05,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:24:05,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:24:05,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:24:05,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:24:05,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:24:05,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:24:05,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:24:05,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:24:05,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:24:05,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:24:05,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-21 16:24:05,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:24:05,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:24:05,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:24:05,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:24:05,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:24:05,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:24:05,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:24:05,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:24:05,738 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:24:05,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:24:05,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:24:05,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:24:05,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:24:05,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:24:05,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 16:24:05,739 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 16:24:05,740 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 16:24:05,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:24:05,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:24:05,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:24:05,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:24:05,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:24:05,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:24:05,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:24:05,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:24:05,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:24:05,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:24:05,741 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 16:24:05,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 16:24:05,742 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:24:05,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:24:05,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:24:05,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:24:05,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 16:24:05,753 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d232d8f5b5300b961fad2246cc6bf62d9846d1616b34b46b949e6c32c2a93b [2021-12-21 16:24:06,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:24:06,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:24:06,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:24:06,059 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:24:06,059 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:24:06,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:24:06,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5717bdae2/e0b9f0761d3f4ebf821771a8abf9ce4d/FLAG0285d5579 [2021-12-21 16:24:06,596 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:24:06,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:24:06,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5717bdae2/e0b9f0761d3f4ebf821771a8abf9ce4d/FLAG0285d5579 [2021-12-21 16:24:06,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5717bdae2/e0b9f0761d3f4ebf821771a8abf9ce4d [2021-12-21 16:24:06,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:24:06,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:24:06,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:24:06,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:24:06,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:24:06,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:24:06" (1/1) ... [2021-12-21 16:24:06,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6e927b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:06, skipping insertion in model container [2021-12-21 16:24:06,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:24:06" (1/1) ... [2021-12-21 16:24:06,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:24:06,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:24:07,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-21 16:24:07,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:24:07,541 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-21 16:24:07,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:24:07,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-21 16:24:07,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:24:07,677 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:24:07,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2021-12-21 16:24:07,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:24:07,869 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:24:07,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07 WrapperNode [2021-12-21 16:24:07,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:24:07,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:24:07,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:24:07,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:24:07,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:07,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:08,008 INFO L137 Inliner]: procedures = 103, calls = 1017, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1735 [2021-12-21 16:24:08,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:24:08,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:24:08,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:24:08,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:24:08,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:08,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:08,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:08,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:08,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:08,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:08,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:08,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:24:08,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:24:08,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:24:08,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:24:08,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (1/1) ... [2021-12-21 16:24:08,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:24:08,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:24:08,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:24:08,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:24:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-21 16:24:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 16:24:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-12-21 16:24:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-12-21 16:24:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:24:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:24:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:24:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:24:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-12-21 16:24:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-12-21 16:24:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-21 16:24:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-21 16:24:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-21 16:24:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-21 16:24:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:24:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:24:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-12-21 16:24:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-12-21 16:24:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-12-21 16:24:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-12-21 16:24:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-12-21 16:24:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-12-21 16:24:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:24:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:24:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:24:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:24:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:24:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:24:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:24:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:24:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:24:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:24:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-12-21 16:24:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-12-21 16:24:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:24:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 16:24:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 16:24:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-12-21 16:24:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-12-21 16:24:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:24:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:24:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-21 16:24:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 16:24:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-21 16:24:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-21 16:24:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-21 16:24:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-21 16:24:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-12-21 16:24:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-12-21 16:24:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-12-21 16:24:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-12-21 16:24:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-12-21 16:24:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-12-21 16:24:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-12-21 16:24:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-12-21 16:24:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:24:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:24:08,498 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:24:08,499 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:24:08,609 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:24:09,949 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:24:09,963 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:24:09,964 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:24:09,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:24:09 BoogieIcfgContainer [2021-12-21 16:24:09,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:24:09,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:24:09,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:24:09,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:24:09,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:24:06" (1/3) ... [2021-12-21 16:24:09,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b550bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:24:09, skipping insertion in model container [2021-12-21 16:24:09,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:07" (2/3) ... [2021-12-21 16:24:09,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b550bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:24:09, skipping insertion in model container [2021-12-21 16:24:09,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:24:09" (3/3) ... [2021-12-21 16:24:09,975 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:24:09,978 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:24:09,978 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:24:10,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:24:10,019 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:24:10,020 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:24:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 373 states, 283 states have (on average 1.4169611307420495) internal successors, (401), 290 states have internal predecessors, (401), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-21 16:24:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-21 16:24:10,048 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:10,049 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:10,049 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:10,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:10,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1914240548, now seen corresponding path program 1 times [2021-12-21 16:24:10,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:10,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916984304] [2021-12-21 16:24:10,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:10,072 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:10,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:10,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:10,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-21 16:24:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:10,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-21 16:24:10,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-21 16:24:11,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:11,071 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:11,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916984304] [2021-12-21 16:24:11,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916984304] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:11,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:11,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 16:24:11,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067964238] [2021-12-21 16:24:11,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:11,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 16:24:11,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:11,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 16:24:11,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 16:24:11,095 INFO L87 Difference]: Start difference. First operand has 373 states, 283 states have (on average 1.4169611307420495) internal successors, (401), 290 states have internal predecessors, (401), 68 states have call successors, (68), 21 states have call predecessors, (68), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-21 16:24:11,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:11,130 INFO L93 Difference]: Finished difference Result 742 states and 1068 transitions. [2021-12-21 16:24:11,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 16:24:11,132 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2021-12-21 16:24:11,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:11,139 INFO L225 Difference]: With dead ends: 742 [2021-12-21 16:24:11,139 INFO L226 Difference]: Without dead ends: 362 [2021-12-21 16:24:11,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 16:24:11,144 INFO L933 BasicCegarLoop]: 529 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:11,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:24:11,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-12-21 16:24:11,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-12-21 16:24:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 278 states have (on average 1.39568345323741) internal successors, (388), 279 states have internal predecessors, (388), 63 states have call successors, (63), 20 states have call predecessors, (63), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-21 16:24:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 514 transitions. [2021-12-21 16:24:11,182 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 514 transitions. Word has length 86 [2021-12-21 16:24:11,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:11,183 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 514 transitions. [2021-12-21 16:24:11,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-21 16:24:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 514 transitions. [2021-12-21 16:24:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-21 16:24:11,186 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:11,186 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:11,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:11,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:11,411 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:11,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:11,412 INFO L85 PathProgramCache]: Analyzing trace with hash -983315798, now seen corresponding path program 1 times [2021-12-21 16:24:11,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:11,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103872741] [2021-12-21 16:24:11,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:11,415 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:11,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:11,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:11,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-21 16:24:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:12,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-21 16:24:12,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-21 16:24:12,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:12,364 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:12,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103872741] [2021-12-21 16:24:12,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103872741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:12,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:12,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:24:12,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166954183] [2021-12-21 16:24:12,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:12,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:24:12,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:12,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:24:12,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:24:12,367 INFO L87 Difference]: Start difference. First operand 362 states and 514 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:24:12,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:12,432 INFO L93 Difference]: Finished difference Result 718 states and 1021 transitions. [2021-12-21 16:24:12,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:24:12,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2021-12-21 16:24:12,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:12,434 INFO L225 Difference]: With dead ends: 718 [2021-12-21 16:24:12,435 INFO L226 Difference]: Without dead ends: 363 [2021-12-21 16:24:12,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:24:12,436 INFO L933 BasicCegarLoop]: 512 mSDtfsCounter, 3 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:12,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1529 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:24:12,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-12-21 16:24:12,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2021-12-21 16:24:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 279 states have (on average 1.3942652329749103) internal successors, (389), 280 states have internal predecessors, (389), 63 states have call successors, (63), 20 states have call predecessors, (63), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-21 16:24:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 515 transitions. [2021-12-21 16:24:12,486 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 515 transitions. Word has length 86 [2021-12-21 16:24:12,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:12,487 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 515 transitions. [2021-12-21 16:24:12,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:24:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 515 transitions. [2021-12-21 16:24:12,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-21 16:24:12,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:12,489 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:12,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:12,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:12,707 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:12,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:12,708 INFO L85 PathProgramCache]: Analyzing trace with hash 925658353, now seen corresponding path program 1 times [2021-12-21 16:24:12,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:12,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279688602] [2021-12-21 16:24:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:12,710 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:12,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:12,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:12,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-21 16:24:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:13,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 2091 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 16:24:13,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-21 16:24:13,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 16:24:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-21 16:24:14,031 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:14,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279688602] [2021-12-21 16:24:14,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279688602] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 16:24:14,031 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-21 16:24:14,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-21 16:24:14,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726360077] [2021-12-21 16:24:14,032 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-21 16:24:14,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 16:24:14,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:14,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 16:24:14,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:24:14,033 INFO L87 Difference]: Start difference. First operand 363 states and 515 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:24:14,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:14,176 INFO L93 Difference]: Finished difference Result 725 states and 1032 transitions. [2021-12-21 16:24:14,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 16:24:14,177 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2021-12-21 16:24:14,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:14,179 INFO L225 Difference]: With dead ends: 725 [2021-12-21 16:24:14,179 INFO L226 Difference]: Without dead ends: 366 [2021-12-21 16:24:14,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:24:14,191 INFO L933 BasicCegarLoop]: 512 mSDtfsCounter, 10 mSDsluCounter, 2543 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:14,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 3055 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:24:14,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-12-21 16:24:14,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2021-12-21 16:24:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 282 states have (on average 1.3900709219858156) internal successors, (392), 283 states have internal predecessors, (392), 63 states have call successors, (63), 20 states have call predecessors, (63), 20 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-21 16:24:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 518 transitions. [2021-12-21 16:24:14,204 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 518 transitions. Word has length 89 [2021-12-21 16:24:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:14,219 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 518 transitions. [2021-12-21 16:24:14,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:24:14,219 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 518 transitions. [2021-12-21 16:24:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-21 16:24:14,220 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:14,221 INFO L514 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:14,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:14,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:14,421 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:14,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:14,422 INFO L85 PathProgramCache]: Analyzing trace with hash -79587862, now seen corresponding path program 2 times [2021-12-21 16:24:14,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:14,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029410857] [2021-12-21 16:24:14,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 16:24:14,424 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:14,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:14,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:14,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-21 16:24:15,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-21 16:24:15,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 16:24:15,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1904 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 16:24:15,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-12-21 16:24:15,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:15,405 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:15,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029410857] [2021-12-21 16:24:15,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029410857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:15,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:15,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 16:24:15,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090015615] [2021-12-21 16:24:15,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:15,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:24:15,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:15,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:24:15,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:15,407 INFO L87 Difference]: Start difference. First operand 366 states and 518 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-21 16:24:15,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:15,430 INFO L93 Difference]: Finished difference Result 700 states and 999 transitions. [2021-12-21 16:24:15,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:24:15,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 98 [2021-12-21 16:24:15,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:15,434 INFO L225 Difference]: With dead ends: 700 [2021-12-21 16:24:15,434 INFO L226 Difference]: Without dead ends: 692 [2021-12-21 16:24:15,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:15,435 INFO L933 BasicCegarLoop]: 585 mSDtfsCounter, 448 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:15,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 1074 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:24:15,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-12-21 16:24:15,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 679. [2021-12-21 16:24:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 530 states have (on average 1.409433962264151) internal successors, (747), 533 states have internal predecessors, (747), 111 states have call successors, (111), 37 states have call predecessors, (111), 37 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2021-12-21 16:24:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 969 transitions. [2021-12-21 16:24:15,466 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 969 transitions. Word has length 98 [2021-12-21 16:24:15,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:15,466 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 969 transitions. [2021-12-21 16:24:15,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-21 16:24:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 969 transitions. [2021-12-21 16:24:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-21 16:24:15,468 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:15,469 INFO L514 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-21 16:24:15,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:15,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:15,686 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:15,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:15,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1936902214, now seen corresponding path program 1 times [2021-12-21 16:24:15,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:15,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225269015] [2021-12-21 16:24:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:15,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:15,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:15,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:15,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-21 16:24:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:17,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 2274 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 16:24:17,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-12-21 16:24:17,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:17,199 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:17,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225269015] [2021-12-21 16:24:17,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225269015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:17,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:17,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:24:17,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182854629] [2021-12-21 16:24:17,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:17,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:24:17,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:17,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:24:17,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:17,201 INFO L87 Difference]: Start difference. First operand 679 states and 969 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-21 16:24:17,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:17,411 INFO L93 Difference]: Finished difference Result 1488 states and 2118 transitions. [2021-12-21 16:24:17,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:24:17,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 122 [2021-12-21 16:24:17,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:17,414 INFO L225 Difference]: With dead ends: 1488 [2021-12-21 16:24:17,414 INFO L226 Difference]: Without dead ends: 833 [2021-12-21 16:24:17,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:17,416 INFO L933 BasicCegarLoop]: 529 mSDtfsCounter, 130 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:17,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 927 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 16:24:17,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-12-21 16:24:17,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 828. [2021-12-21 16:24:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 656 states have (on average 1.4100609756097562) internal successors, (925), 660 states have internal predecessors, (925), 124 states have call successors, (124), 47 states have call predecessors, (124), 47 states have return successors, (124), 122 states have call predecessors, (124), 124 states have call successors, (124) [2021-12-21 16:24:17,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1173 transitions. [2021-12-21 16:24:17,438 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1173 transitions. Word has length 122 [2021-12-21 16:24:17,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:17,438 INFO L470 AbstractCegarLoop]: Abstraction has 828 states and 1173 transitions. [2021-12-21 16:24:17,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-21 16:24:17,439 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1173 transitions. [2021-12-21 16:24:17,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-21 16:24:17,441 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:17,441 INFO L514 BasicCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:17,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:17,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:17,659 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:17,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:17,660 INFO L85 PathProgramCache]: Analyzing trace with hash 248504126, now seen corresponding path program 1 times [2021-12-21 16:24:17,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:17,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39386312] [2021-12-21 16:24:17,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:17,662 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:17,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:17,663 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:17,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-21 16:24:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:19,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 2440 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 16:24:19,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-12-21 16:24:19,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:19,411 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:19,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39386312] [2021-12-21 16:24:19,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39386312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:19,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:19,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:24:19,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183575705] [2021-12-21 16:24:19,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:19,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:24:19,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:19,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:24:19,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:24:19,413 INFO L87 Difference]: Start difference. First operand 828 states and 1173 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:24:19,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:19,577 INFO L93 Difference]: Finished difference Result 2430 states and 3442 transitions. [2021-12-21 16:24:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:24:19,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 183 [2021-12-21 16:24:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:19,589 INFO L225 Difference]: With dead ends: 2430 [2021-12-21 16:24:19,589 INFO L226 Difference]: Without dead ends: 1620 [2021-12-21 16:24:19,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:24:19,594 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 482 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:19,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [482 Valid, 2468 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:24:19,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2021-12-21 16:24:19,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1497. [2021-12-21 16:24:19,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1186 states have (on average 1.4207419898819562) internal successors, (1685), 1196 states have internal predecessors, (1685), 225 states have call successors, (225), 85 states have call predecessors, (225), 85 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2021-12-21 16:24:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2135 transitions. [2021-12-21 16:24:19,655 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2135 transitions. Word has length 183 [2021-12-21 16:24:19,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:19,657 INFO L470 AbstractCegarLoop]: Abstraction has 1497 states and 2135 transitions. [2021-12-21 16:24:19,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:24:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2135 transitions. [2021-12-21 16:24:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-21 16:24:19,660 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:19,660 INFO L514 BasicCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:19,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:19,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:19,875 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:19,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:19,876 INFO L85 PathProgramCache]: Analyzing trace with hash 370798123, now seen corresponding path program 1 times [2021-12-21 16:24:19,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:19,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969091026] [2021-12-21 16:24:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:19,878 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:19,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:19,879 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:19,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-21 16:24:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:21,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 16:24:21,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2021-12-21 16:24:21,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:21,995 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:21,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969091026] [2021-12-21 16:24:21,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969091026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:21,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:21,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 16:24:21,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515490401] [2021-12-21 16:24:21,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:21,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:24:21,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:21,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:24:21,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:21,996 INFO L87 Difference]: Start difference. First operand 1497 states and 2135 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-21 16:24:22,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:22,034 INFO L93 Difference]: Finished difference Result 2970 states and 4240 transitions. [2021-12-21 16:24:22,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:24:22,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 204 [2021-12-21 16:24:22,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:22,040 INFO L225 Difference]: With dead ends: 2970 [2021-12-21 16:24:22,040 INFO L226 Difference]: Without dead ends: 1497 [2021-12-21 16:24:22,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:22,043 INFO L933 BasicCegarLoop]: 498 mSDtfsCounter, 431 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:22,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 498 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:24:22,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2021-12-21 16:24:22,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1497. [2021-12-21 16:24:22,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1186 states have (on average 1.3937605396290051) internal successors, (1653), 1196 states have internal predecessors, (1653), 225 states have call successors, (225), 85 states have call predecessors, (225), 85 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2021-12-21 16:24:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2103 transitions. [2021-12-21 16:24:22,075 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2103 transitions. Word has length 204 [2021-12-21 16:24:22,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:22,075 INFO L470 AbstractCegarLoop]: Abstraction has 1497 states and 2103 transitions. [2021-12-21 16:24:22,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-21 16:24:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2103 transitions. [2021-12-21 16:24:22,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-21 16:24:22,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:22,078 INFO L514 BasicCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:22,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:22,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:22,299 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:22,300 INFO L85 PathProgramCache]: Analyzing trace with hash 158716901, now seen corresponding path program 1 times [2021-12-21 16:24:22,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:22,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416602145] [2021-12-21 16:24:22,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:22,302 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:22,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:22,312 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:22,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-21 16:24:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:24,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-21 16:24:24,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2021-12-21 16:24:24,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:24,450 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:24,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416602145] [2021-12-21 16:24:24,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416602145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:24,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:24,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:24:24,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383840580] [2021-12-21 16:24:24,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:24,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:24:24,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:24,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:24:24,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:24:24,451 INFO L87 Difference]: Start difference. First operand 1497 states and 2103 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-21 16:24:24,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:24,769 INFO L93 Difference]: Finished difference Result 3391 states and 4958 transitions. [2021-12-21 16:24:24,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:24:24,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 204 [2021-12-21 16:24:24,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:24,778 INFO L225 Difference]: With dead ends: 3391 [2021-12-21 16:24:24,778 INFO L226 Difference]: Without dead ends: 2657 [2021-12-21 16:24:24,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-21 16:24:24,780 INFO L933 BasicCegarLoop]: 809 mSDtfsCounter, 1570 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 3505 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:24,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1570 Valid, 3505 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 16:24:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2021-12-21 16:24:24,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1517. [2021-12-21 16:24:24,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1206 states have (on average 1.3872305140961858) internal successors, (1673), 1216 states have internal predecessors, (1673), 225 states have call successors, (225), 85 states have call predecessors, (225), 85 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2021-12-21 16:24:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2123 transitions. [2021-12-21 16:24:24,833 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2123 transitions. Word has length 204 [2021-12-21 16:24:24,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:24,833 INFO L470 AbstractCegarLoop]: Abstraction has 1517 states and 2123 transitions. [2021-12-21 16:24:24,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-21 16:24:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2123 transitions. [2021-12-21 16:24:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-21 16:24:24,836 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:24,836 INFO L514 BasicCegarLoop]: trace histogram [12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:24,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-21 16:24:25,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:25,051 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:25,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:25,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1573980731, now seen corresponding path program 1 times [2021-12-21 16:24:25,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:25,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998793009] [2021-12-21 16:24:25,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:25,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:25,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:25,055 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:25,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-21 16:24:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:26,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 2530 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 16:24:26,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-12-21 16:24:27,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:27,166 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:27,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998793009] [2021-12-21 16:24:27,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [998793009] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:27,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:27,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:24:27,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489439305] [2021-12-21 16:24:27,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:27,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:24:27,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:27,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:24:27,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:27,168 INFO L87 Difference]: Start difference. First operand 1517 states and 2123 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-21 16:24:27,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:27,534 INFO L93 Difference]: Finished difference Result 3502 states and 4957 transitions. [2021-12-21 16:24:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:24:27,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 211 [2021-12-21 16:24:27,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:27,541 INFO L225 Difference]: With dead ends: 3502 [2021-12-21 16:24:27,542 INFO L226 Difference]: Without dead ends: 2009 [2021-12-21 16:24:27,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:27,546 INFO L933 BasicCegarLoop]: 584 mSDtfsCounter, 300 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:27,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 835 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 16:24:27,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2021-12-21 16:24:27,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 1950. [2021-12-21 16:24:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1950 states, 1598 states have (on average 1.3798498122653318) internal successors, (2205), 1607 states have internal predecessors, (2205), 240 states have call successors, (240), 111 states have call predecessors, (240), 111 states have return successors, (240), 235 states have call predecessors, (240), 240 states have call successors, (240) [2021-12-21 16:24:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2685 transitions. [2021-12-21 16:24:27,608 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2685 transitions. Word has length 211 [2021-12-21 16:24:27,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:27,609 INFO L470 AbstractCegarLoop]: Abstraction has 1950 states and 2685 transitions. [2021-12-21 16:24:27,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-21 16:24:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2685 transitions. [2021-12-21 16:24:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-21 16:24:27,612 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:27,612 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:27,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-21 16:24:27,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:27,826 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:27,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:27,827 INFO L85 PathProgramCache]: Analyzing trace with hash 574800503, now seen corresponding path program 1 times [2021-12-21 16:24:27,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:27,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722280625] [2021-12-21 16:24:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:27,829 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:27,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:27,835 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:27,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-21 16:24:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:29,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 2541 conjuncts, 29 conjunts are in the unsatisfiable core [2021-12-21 16:24:29,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2021-12-21 16:24:30,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 16:24:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-12-21 16:24:31,034 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:31,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722280625] [2021-12-21 16:24:31,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722280625] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-21 16:24:31,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 16:24:31,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14] total 23 [2021-12-21 16:24:31,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363430012] [2021-12-21 16:24:31,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:31,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 16:24:31,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:31,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 16:24:31,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2021-12-21 16:24:31,035 INFO L87 Difference]: Start difference. First operand 1950 states and 2685 transitions. Second operand has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-21 16:24:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:32,934 INFO L93 Difference]: Finished difference Result 5791 states and 8324 transitions. [2021-12-21 16:24:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 16:24:32,936 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 210 [2021-12-21 16:24:32,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:32,948 INFO L225 Difference]: With dead ends: 5791 [2021-12-21 16:24:32,948 INFO L226 Difference]: Without dead ends: 3865 [2021-12-21 16:24:32,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2021-12-21 16:24:32,953 INFO L933 BasicCegarLoop]: 1189 mSDtfsCounter, 2499 mSDsluCounter, 8659 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 9848 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:32,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2553 Valid, 9848 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 16:24:32,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2021-12-21 16:24:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 1944. [2021-12-21 16:24:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1944 states, 1592 states have (on average 1.3787688442211055) internal successors, (2195), 1603 states have internal predecessors, (2195), 240 states have call successors, (240), 111 states have call predecessors, (240), 111 states have return successors, (240), 233 states have call predecessors, (240), 240 states have call successors, (240) [2021-12-21 16:24:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 2675 transitions. [2021-12-21 16:24:33,099 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 2675 transitions. Word has length 210 [2021-12-21 16:24:33,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:33,102 INFO L470 AbstractCegarLoop]: Abstraction has 1944 states and 2675 transitions. [2021-12-21 16:24:33,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-21 16:24:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2675 transitions. [2021-12-21 16:24:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-21 16:24:33,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:33,105 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:33,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:33,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:33,331 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:33,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:33,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1036613565, now seen corresponding path program 1 times [2021-12-21 16:24:33,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:33,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377795473] [2021-12-21 16:24:33,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:33,334 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:33,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:33,335 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:33,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-21 16:24:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:35,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 16:24:35,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-21 16:24:35,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:35,692 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:35,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377795473] [2021-12-21 16:24:35,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377795473] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:35,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:35,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:24:35,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884059340] [2021-12-21 16:24:35,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:35,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:24:35,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:35,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:24:35,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:24:35,693 INFO L87 Difference]: Start difference. First operand 1944 states and 2675 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:24:36,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:36,171 INFO L93 Difference]: Finished difference Result 6003 states and 8419 transitions. [2021-12-21 16:24:36,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:24:36,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 218 [2021-12-21 16:24:36,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:36,183 INFO L225 Difference]: With dead ends: 6003 [2021-12-21 16:24:36,183 INFO L226 Difference]: Without dead ends: 4083 [2021-12-21 16:24:36,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:24:36,187 INFO L933 BasicCegarLoop]: 980 mSDtfsCounter, 747 mSDsluCounter, 1990 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 2970 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:36,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [800 Valid, 2970 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 16:24:36,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4083 states. [2021-12-21 16:24:36,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4083 to 1960. [2021-12-21 16:24:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1608 states have (on average 1.375) internal successors, (2211), 1615 states have internal predecessors, (2211), 240 states have call successors, (240), 111 states have call predecessors, (240), 111 states have return successors, (240), 233 states have call predecessors, (240), 240 states have call successors, (240) [2021-12-21 16:24:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2691 transitions. [2021-12-21 16:24:36,297 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2691 transitions. Word has length 218 [2021-12-21 16:24:36,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:36,297 INFO L470 AbstractCegarLoop]: Abstraction has 1960 states and 2691 transitions. [2021-12-21 16:24:36,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:24:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2691 transitions. [2021-12-21 16:24:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-21 16:24:36,300 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:36,300 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:36,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:36,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:36,519 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:36,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:36,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1978490053, now seen corresponding path program 1 times [2021-12-21 16:24:36,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:36,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384270644] [2021-12-21 16:24:36,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:36,523 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:36,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:36,532 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:36,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-21 16:24:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:24:38,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 16:24:38,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:24:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2021-12-21 16:24:38,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:24:38,879 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-21 16:24:38,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384270644] [2021-12-21 16:24:38,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384270644] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:24:38,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:24:38,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 16:24:38,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245307493] [2021-12-21 16:24:38,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:24:38,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:24:38,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-21 16:24:38,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:24:38,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:38,881 INFO L87 Difference]: Start difference. First operand 1960 states and 2691 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-21 16:24:39,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:24:39,052 INFO L93 Difference]: Finished difference Result 2995 states and 4135 transitions. [2021-12-21 16:24:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:24:39,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 218 [2021-12-21 16:24:39,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:24:39,056 INFO L225 Difference]: With dead ends: 2995 [2021-12-21 16:24:39,056 INFO L226 Difference]: Without dead ends: 1017 [2021-12-21 16:24:39,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 16:24:39,060 INFO L933 BasicCegarLoop]: 578 mSDtfsCounter, 391 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:24:39,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 697 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 16:24:39,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2021-12-21 16:24:39,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1005. [2021-12-21 16:24:39,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 833 states have (on average 1.3805522208883554) internal successors, (1150), 835 states have internal predecessors, (1150), 118 states have call successors, (118), 53 states have call predecessors, (118), 53 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2021-12-21 16:24:39,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1386 transitions. [2021-12-21 16:24:39,103 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1386 transitions. Word has length 218 [2021-12-21 16:24:39,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:24:39,103 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1386 transitions. [2021-12-21 16:24:39,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-21 16:24:39,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1386 transitions. [2021-12-21 16:24:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-21 16:24:39,106 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:24:39,106 INFO L514 BasicCegarLoop]: trace histogram [12, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:24:39,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-21 16:24:39,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 16:24:39,327 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:24:39,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:24:39,328 INFO L85 PathProgramCache]: Analyzing trace with hash -74686153, now seen corresponding path program 1 times [2021-12-21 16:24:39,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 16:24:39,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412045843] [2021-12-21 16:24:39,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:24:39,330 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 16:24:39,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 16:24:39,333 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-21 16:24:39,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process