./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.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 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:24:43,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:24:43,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:24:44,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:24:44,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:24:44,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:24:44,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:24:44,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:24:44,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:24:44,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:24:44,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:24:44,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:24:44,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:24:44,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:24:44,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:24:44,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:24:44,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:24:44,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:24:44,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:24:44,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:24:44,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:24:44,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:24:44,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:24:44,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:24:44,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:24:44,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:24:44,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:24:44,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:24:44,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:24:44,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:24:44,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:24:44,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:24:44,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:24:44,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:24:44,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:24:44,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:24:44,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:24:44,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:24:44,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:24:44,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:24:44,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:24:44,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:24:44,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:24:44,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:24:44,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:24:44,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:24:44,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:24:44,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:24:44,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:24:44,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:24:44,134 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:24:44,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:24:44,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:24:44,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:24:44,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:24:44,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:24:44,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:24:44,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:24:44,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:24:44,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:24:44,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:24:44,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:24:44,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:24:44,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:24:44,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:24:44,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:24:44,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:24:44,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:24:44,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:24:44,138 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:24:44,138 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:24:44,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:24:44,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:24:44,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 [2021-12-14 18:24:44,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:24:44,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:24:44,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:24:44,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:24:44,387 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:24:44,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2021-12-14 18:24:44,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4670d896a/f55f0ca50e3546379f65905e288c4b26/FLAG2ae502107 [2021-12-14 18:24:45,106 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:24:45,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2021-12-14 18:24:45,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4670d896a/f55f0ca50e3546379f65905e288c4b26/FLAG2ae502107 [2021-12-14 18:24:45,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4670d896a/f55f0ca50e3546379f65905e288c4b26 [2021-12-14 18:24:45,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:24:45,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:24:45,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:24:45,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:24:45,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:24:45,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:45" (1/1) ... [2021-12-14 18:24:45,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b502fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:45, skipping insertion in model container [2021-12-14 18:24:45,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:45" (1/1) ... [2021-12-14 18:24:45,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:24:45,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:24:47,097 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2021-12-14 18:24:47,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:24:47,175 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:24:47,545 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2021-12-14 18:24:47,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:24:47,610 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:24:47,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47 WrapperNode [2021-12-14 18:24:47,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:24:47,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:24:47,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:24:47,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:24:47,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:47,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:47,931 INFO L137 Inliner]: procedures = 259, calls = 4373, calls flagged for inlining = 103, calls inlined = 98, statements flattened = 8445 [2021-12-14 18:24:47,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:24:47,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:24:47,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:24:47,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:24:47,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:47,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:47,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:47,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:48,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:48,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:48,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:48,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:24:48,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:24:48,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:24:48,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:24:48,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (1/1) ... [2021-12-14 18:24:48,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:24:48,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:24:48,365 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) [2021-12-14 18:24:48,387 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 [2021-12-14 18:24:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2021-12-14 18:24:48,412 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2021-12-14 18:24:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:24:48,412 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:24:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2021-12-14 18:24:48,412 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2021-12-14 18:24:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2021-12-14 18:24:48,413 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2021-12-14 18:24:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:24:48,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:24:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:24:48,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:24:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-14 18:24:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-14 18:24:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2021-12-14 18:24:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2021-12-14 18:24:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:24:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:24:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:24:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:24:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-14 18:24:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-14 18:24:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-14 18:24:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-14 18:24:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2021-12-14 18:24:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2021-12-14 18:24:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2021-12-14 18:24:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2021-12-14 18:24:48,416 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2021-12-14 18:24:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2021-12-14 18:24:48,416 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2021-12-14 18:24:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2021-12-14 18:24:48,416 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:24:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:24:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:24:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:24:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2021-12-14 18:24:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2021-12-14 18:24:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-14 18:24:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-14 18:24:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2021-12-14 18:24:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2021-12-14 18:24:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:24:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:24:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:24:48,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:24:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2021-12-14 18:24:48,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2021-12-14 18:24:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:24:48,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:24:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-14 18:24:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-14 18:24:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2021-12-14 18:24:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2021-12-14 18:24:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-14 18:24:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-14 18:24:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2021-12-14 18:24:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2021-12-14 18:24:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:24:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2021-12-14 18:24:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2021-12-14 18:24:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:24:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:24:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:24:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-14 18:24:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-14 18:24:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:24:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:24:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2021-12-14 18:24:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2021-12-14 18:24:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2021-12-14 18:24:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2021-12-14 18:24:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:24:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:24:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-14 18:24:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-14 18:24:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure update_done_list [2021-12-14 18:24:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure update_done_list [2021-12-14 18:24:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2021-12-14 18:24:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2021-12-14 18:24:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:24:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2021-12-14 18:24:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2021-12-14 18:24:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:24:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2021-12-14 18:24:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2021-12-14 18:24:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-12-14 18:24:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-12-14 18:24:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-14 18:24:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-14 18:24:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_setup [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_setup [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:24:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2021-12-14 18:24:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-14 18:24:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2021-12-14 18:24:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-14 18:24:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2021-12-14 18:24:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:24:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2021-12-14 18:24:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2021-12-14 18:24:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2021-12-14 18:24:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2021-12-14 18:24:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2021-12-14 18:24:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2021-12-14 18:24:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2021-12-14 18:24:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2021-12-14 18:24:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2021-12-14 18:24:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2021-12-14 18:24:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2021-12-14 18:24:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2021-12-14 18:24:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2021-12-14 18:24:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:24:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:24:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 18:24:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:24:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-14 18:24:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:24:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_done_list [2021-12-14 18:24:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_done_list [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2021-12-14 18:24:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-12-14 18:24:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2021-12-14 18:24:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:24:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:24:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:24:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2021-12-14 18:24:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-12-14 18:24:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:24:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2021-12-14 18:24:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2021-12-14 18:24:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2021-12-14 18:24:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2021-12-14 18:24:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 18:24:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 18:24:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_work [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_work [2021-12-14 18:24:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2021-12-14 18:24:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-14 18:24:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:24:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2021-12-14 18:24:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-14 18:24:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:24:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2021-12-14 18:24:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-14 18:24:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2021-12-14 18:24:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2021-12-14 18:24:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2021-12-14 18:24:48,539 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2021-12-14 18:24:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-14 18:24:48,539 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-14 18:24:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2021-12-14 18:24:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2021-12-14 18:24:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:24:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:24:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:24:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:24:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-14 18:24:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-14 18:24:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:24:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:24:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2021-12-14 18:24:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2021-12-14 18:24:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2021-12-14 18:24:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2021-12-14 18:24:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:24:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:24:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2021-12-14 18:24:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2021-12-14 18:24:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:24:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:24:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:24:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-14 18:24:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-14 18:24:49,363 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:24:49,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:24:49,809 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:24:54,390 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:24:54,411 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:24:54,411 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-14 18:24:54,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:54 BoogieIcfgContainer [2021-12-14 18:24:54,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:24:54,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:24:54,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:24:54,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:24:54,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:24:45" (1/3) ... [2021-12-14 18:24:54,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4d8c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:54, skipping insertion in model container [2021-12-14 18:24:54,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:47" (2/3) ... [2021-12-14 18:24:54,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4d8c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:54, skipping insertion in model container [2021-12-14 18:24:54,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:54" (3/3) ... [2021-12-14 18:24:54,426 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2021-12-14 18:24:54,430 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:24:54,430 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:24:54,469 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:24:54,485 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 [2021-12-14 18:24:54,485 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:24:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 2927 states, 2055 states have (on average 1.3858880778588807) internal successors, (2848), 2125 states have internal predecessors, (2848), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) [2021-12-14 18:24:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-14 18:24:54,561 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:24:54,567 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:24:54,568 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:24:54,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:24:54,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1446211571, now seen corresponding path program 1 times [2021-12-14 18:24:54,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:24:54,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719727422] [2021-12-14 18:24:54,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:24:54,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:24:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:24:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:24:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:24:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:24:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:24:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:24:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:24:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:24:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:24:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:24:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:24:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:24:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:24:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:24:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:24:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:24:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:24:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:24:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:24:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-14 18:24:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:24:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 18:24:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:24:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-14 18:24:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-14 18:24:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-14 18:24:55,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:24:55,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719727422] [2021-12-14 18:24:55,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719727422] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:24:55,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:24:55,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:24:55,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581709267] [2021-12-14 18:24:55,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:24:55,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:24:55,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:24:55,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:24:55,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:24:55,977 INFO L87 Difference]: Start difference. First operand has 2927 states, 2055 states have (on average 1.3858880778588807) internal successors, (2848), 2125 states have internal predecessors, (2848), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-14 18:25:04,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:25:04,778 INFO L93 Difference]: Finished difference Result 6243 states and 9497 transitions. [2021-12-14 18:25:04,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:25:04,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 341 [2021-12-14 18:25:04,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:25:04,830 INFO L225 Difference]: With dead ends: 6243 [2021-12-14 18:25:04,830 INFO L226 Difference]: Without dead ends: 3303 [2021-12-14 18:25:04,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:04,855 INFO L933 BasicCegarLoop]: 4184 mSDtfsCounter, 1418 mSDsluCounter, 5712 mSDsCounter, 0 mSdLazyCounter, 3955 mSolverCounterSat, 1854 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 9896 SdHoareTripleChecker+Invalid, 5809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1854 IncrementalHoareTripleChecker+Valid, 3955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:25:04,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1496 Valid, 9896 Invalid, 5809 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1854 Valid, 3955 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2021-12-14 18:25:04,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2021-12-14 18:25:05,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2897. [2021-12-14 18:25:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2036 states have (on average 1.382121807465619) internal successors, (2814), 2097 states have internal predecessors, (2814), 746 states have call successors, (746), 115 states have call predecessors, (746), 114 states have return successors, (745), 738 states have call predecessors, (745), 745 states have call successors, (745) [2021-12-14 18:25:05,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 4305 transitions. [2021-12-14 18:25:05,058 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 4305 transitions. Word has length 341 [2021-12-14 18:25:05,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:25:05,060 INFO L470 AbstractCegarLoop]: Abstraction has 2897 states and 4305 transitions. [2021-12-14 18:25:05,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-14 18:25:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 4305 transitions. [2021-12-14 18:25:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-14 18:25:05,070 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:25:05,070 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:25:05,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:25:05,070 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:25:05,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:25:05,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1653318689, now seen corresponding path program 1 times [2021-12-14 18:25:05,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:25:05,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252884920] [2021-12-14 18:25:05,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:25:05,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:25:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:25:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:25:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:25:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:25:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:25:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:25:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:25:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:25:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:25:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:25:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:25:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:25:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:25:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:25:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:25:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:25:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:25:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-14 18:25:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:25:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 18:25:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:25:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-14 18:25:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-14 18:25:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-14 18:25:05,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:05,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252884920] [2021-12-14 18:25:06,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252884920] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:06,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:06,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:25:06,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806726710] [2021-12-14 18:25:06,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:06,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:25:06,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:06,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:25:06,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:06,004 INFO L87 Difference]: Start difference. First operand 2897 states and 4305 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-14 18:25:14,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:25:14,412 INFO L93 Difference]: Finished difference Result 9355 states and 14075 transitions. [2021-12-14 18:25:14,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:25:14,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 341 [2021-12-14 18:25:14,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:25:14,454 INFO L225 Difference]: With dead ends: 9355 [2021-12-14 18:25:14,454 INFO L226 Difference]: Without dead ends: 6517 [2021-12-14 18:25:14,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:25:14,471 INFO L933 BasicCegarLoop]: 4789 mSDtfsCounter, 8372 mSDsluCounter, 6085 mSDsCounter, 0 mSdLazyCounter, 3270 mSolverCounterSat, 6105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8979 SdHoareTripleChecker+Valid, 10874 SdHoareTripleChecker+Invalid, 9375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6105 IncrementalHoareTripleChecker+Valid, 3270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:25:14,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8979 Valid, 10874 Invalid, 9375 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6105 Valid, 3270 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-12-14 18:25:14,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6517 states. [2021-12-14 18:25:14,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6517 to 5703. [2021-12-14 18:25:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5703 states, 4016 states have (on average 1.384711155378486) internal successors, (5561), 4139 states have internal predecessors, (5561), 1459 states have call successors, (1459), 228 states have call predecessors, (1459), 227 states have return successors, (1458), 1443 states have call predecessors, (1458), 1458 states have call successors, (1458) [2021-12-14 18:25:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 8478 transitions. [2021-12-14 18:25:14,728 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 8478 transitions. Word has length 341 [2021-12-14 18:25:14,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:25:14,731 INFO L470 AbstractCegarLoop]: Abstraction has 5703 states and 8478 transitions. [2021-12-14 18:25:14,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-14 18:25:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 8478 transitions. [2021-12-14 18:25:14,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-12-14 18:25:14,736 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:25:14,736 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:25:14,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:25:14,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:25:14,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:25:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash -196395888, now seen corresponding path program 1 times [2021-12-14 18:25:14,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:25:14,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693493761] [2021-12-14 18:25:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:25:14,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:25:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:25:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:25:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:25:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:25:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:25:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:25:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:25:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:25:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:25:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:25:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:25:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:25:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:25:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:25:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:25:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:25:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:25:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-14 18:25:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:25:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 18:25:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:25:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-14 18:25:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-14 18:25:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-14 18:25:15,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:15,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693493761] [2021-12-14 18:25:15,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693493761] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:15,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:15,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:25:15,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020521268] [2021-12-14 18:25:15,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:15,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:25:15,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:15,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:25:15,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:15,507 INFO L87 Difference]: Start difference. First operand 5703 states and 8478 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-14 18:25:25,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:25:25,042 INFO L93 Difference]: Finished difference Result 18549 states and 27890 transitions. [2021-12-14 18:25:25,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:25:25,042 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), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 344 [2021-12-14 18:25:25,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:25:25,108 INFO L225 Difference]: With dead ends: 18549 [2021-12-14 18:25:25,109 INFO L226 Difference]: Without dead ends: 12905 [2021-12-14 18:25:25,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:25:25,136 INFO L933 BasicCegarLoop]: 4798 mSDtfsCounter, 7457 mSDsluCounter, 7934 mSDsCounter, 0 mSdLazyCounter, 4922 mSolverCounterSat, 4350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8061 SdHoareTripleChecker+Valid, 12732 SdHoareTripleChecker+Invalid, 9272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4350 IncrementalHoareTripleChecker+Valid, 4922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:25:25,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8061 Valid, 12732 Invalid, 9272 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4350 Valid, 4922 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2021-12-14 18:25:25,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12905 states. [2021-12-14 18:25:25,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12905 to 11283. [2021-12-14 18:25:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11283 states, 7952 states have (on average 1.385814889336016) internal successors, (11020), 8199 states have internal predecessors, (11020), 2877 states have call successors, (2877), 454 states have call predecessors, (2877), 453 states have return successors, (2876), 2845 states have call predecessors, (2876), 2876 states have call successors, (2876) [2021-12-14 18:25:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11283 states to 11283 states and 16773 transitions. [2021-12-14 18:25:25,523 INFO L78 Accepts]: Start accepts. Automaton has 11283 states and 16773 transitions. Word has length 344 [2021-12-14 18:25:25,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:25:25,524 INFO L470 AbstractCegarLoop]: Abstraction has 11283 states and 16773 transitions. [2021-12-14 18:25:25,526 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), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-14 18:25:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 11283 states and 16773 transitions. [2021-12-14 18:25:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-12-14 18:25:25,529 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:25:25,530 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:25:25,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:25:25,530 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:25:25,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:25:25,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1017833455, now seen corresponding path program 1 times [2021-12-14 18:25:25,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:25:25,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841173674] [2021-12-14 18:25:25,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:25:25,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:25:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:25:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:25:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:25:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:25:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:25:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:25:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:25:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:25,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:25:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:25:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:25:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:25:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:25:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:25:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:25:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:25:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:25:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:25:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-14 18:25:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:25:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 18:25:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:25:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-14 18:25:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-14 18:25:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-14 18:25:26,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:26,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841173674] [2021-12-14 18:25:26,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841173674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:26,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:26,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:25:26,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047277200] [2021-12-14 18:25:26,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:26,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:25:26,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:26,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:25:26,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:26,170 INFO L87 Difference]: Start difference. First operand 11283 states and 16773 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-14 18:25:38,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:25:38,196 INFO L93 Difference]: Finished difference Result 36490 states and 54849 transitions. [2021-12-14 18:25:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:25:38,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 346 [2021-12-14 18:25:38,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:25:38,339 INFO L225 Difference]: With dead ends: 36490 [2021-12-14 18:25:38,339 INFO L226 Difference]: Without dead ends: 25266 [2021-12-14 18:25:38,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:25:38,394 INFO L933 BasicCegarLoop]: 5063 mSDtfsCounter, 6291 mSDsluCounter, 10111 mSDsCounter, 0 mSdLazyCounter, 6844 mSolverCounterSat, 3974 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6897 SdHoareTripleChecker+Valid, 15174 SdHoareTripleChecker+Invalid, 10818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3974 IncrementalHoareTripleChecker+Valid, 6844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:25:38,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6897 Valid, 15174 Invalid, 10818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3974 Valid, 6844 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2021-12-14 18:25:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25266 states. [2021-12-14 18:25:39,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25266 to 22164. [2021-12-14 18:25:39,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22164 states, 15623 states have (on average 1.3867375024003072) internal successors, (21665), 16111 states have internal predecessors, (21665), 5647 states have call successors, (5647), 894 states have call predecessors, (5647), 893 states have return successors, (5646), 5587 states have call predecessors, (5646), 5646 states have call successors, (5646) [2021-12-14 18:25:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22164 states to 22164 states and 32958 transitions. [2021-12-14 18:25:39,222 INFO L78 Accepts]: Start accepts. Automaton has 22164 states and 32958 transitions. Word has length 346 [2021-12-14 18:25:39,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:25:39,223 INFO L470 AbstractCegarLoop]: Abstraction has 22164 states and 32958 transitions. [2021-12-14 18:25:39,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-14 18:25:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 22164 states and 32958 transitions. [2021-12-14 18:25:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-12-14 18:25:39,228 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:25:39,229 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:25:39,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:25:39,229 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:25:39,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:25:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1534667843, now seen corresponding path program 1 times [2021-12-14 18:25:39,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:25:39,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92205811] [2021-12-14 18:25:39,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:25:39,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:25:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:25:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:25:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:25:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:25:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:25:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:25:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:25:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:25:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:25:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:25:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:25:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:25:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:25:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:25:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:25:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:25:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:25:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-14 18:25:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-14 18:25:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 18:25:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:25:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-14 18:25:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-14 18:25:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-14 18:25:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-14 18:25:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:39,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2021-12-14 18:25:39,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:39,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92205811] [2021-12-14 18:25:39,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92205811] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:39,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:39,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:25:39,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566651957] [2021-12-14 18:25:39,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:39,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:25:39,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:39,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:25:39,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:25:39,867 INFO L87 Difference]: Start difference. First operand 22164 states and 32958 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)