./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--oxu210hp-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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--oxu210hp-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 2f349249e9e86997fa8ff3fec7fb7aa332cbfd0034f841eea19465e389dd90de --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:39:04,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:39:04,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:39:05,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:39:05,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:39:05,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:39:05,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:39:05,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:39:05,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:39:05,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:39:05,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:39:05,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:39:05,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:39:05,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:39:05,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:39:05,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:39:05,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:39:05,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:39:05,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:39:05,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:39:05,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:39:05,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:39:05,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:39:05,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:39:05,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:39:05,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:39:05,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:39:05,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:39:05,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:39:05,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:39:05,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:39:05,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:39:05,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:39:05,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:39:05,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:39:05,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:39:05,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:39:05,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:39:05,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:39:05,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:39:05,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:39:05,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:39:05,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:39:05,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:39:05,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:39:05,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:39:05,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:39:05,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:39:05,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:39:05,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:39:05,079 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:39:05,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:39:05,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:39:05,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:39:05,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:39:05,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:39:05,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:39:05,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:39:05,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:39:05,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:39:05,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:39:05,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:39:05,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:39:05,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:39:05,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:39:05,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:39:05,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:39:05,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:39:05,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:39:05,082 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:39:05,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:39:05,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:39:05,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:39:05,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f349249e9e86997fa8ff3fec7fb7aa332cbfd0034f841eea19465e389dd90de [2021-12-16 04:39:05,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:39:05,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:39:05,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:39:05,288 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:39:05,292 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:39:05,293 INFO L432 ainManager$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--oxu210hp-hcd.ko-entry_point.cil.out.i [2021-12-16 04:39:05,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08ca7474/bb3e9a0dfd47438897be6a70fe1380c8/FLAG3cff9bdd1 [2021-12-16 04:39:05,948 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:39:05,948 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--oxu210hp-hcd.ko-entry_point.cil.out.i [2021-12-16 04:39:06,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08ca7474/bb3e9a0dfd47438897be6a70fe1380c8/FLAG3cff9bdd1 [2021-12-16 04:39:06,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08ca7474/bb3e9a0dfd47438897be6a70fe1380c8 [2021-12-16 04:39:06,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:39:06,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:39:06,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:39:06,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:39:06,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:39:06,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:39:06" (1/1) ... [2021-12-16 04:39:06,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b39f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:06, skipping insertion in model container [2021-12-16 04:39:06,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:39:06" (1/1) ... [2021-12-16 04:39:06,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:39:06,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:39:07,909 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--oxu210hp-hcd.ko-entry_point.cil.out.i[281346,281359] [2021-12-16 04:39:07,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:39:07,959 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:39:08,268 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--oxu210hp-hcd.ko-entry_point.cil.out.i[281346,281359] [2021-12-16 04:39:08,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:39:08,323 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:39:08,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08 WrapperNode [2021-12-16 04:39:08,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:39:08,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:39:08,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:39:08,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:39:08,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,593 INFO L137 Inliner]: procedures = 272, calls = 2959, calls flagged for inlining = 111, calls inlined = 108, statements flattened = 6853 [2021-12-16 04:39:08,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:39:08,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:39:08,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:39:08,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:39:08,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:39:08,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:39:08,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:39:08,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:39:08,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (1/1) ... [2021-12-16 04:39:08,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:39:08,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:39:08,905 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) [2021-12-16 04:39:08,924 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 [2021-12-16 04:39:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2021-12-16 04:39:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2021-12-16 04:39:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-16 04:39:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-16 04:39:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-16 04:39:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-16 04:39:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:39:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:39:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-16 04:39:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-16 04:39:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:39:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:39:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:39:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:39:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure scan_periodic [2021-12-16 04:39:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_periodic [2021-12-16 04:39:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:39:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:39:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-16 04:39:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-16 04:39:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-16 04:39:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-16 04:39:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:39:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:39:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_create [2021-12-16 04:39:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_create [2021-12-16 04:39:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_readl [2021-12-16 04:39:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_readl [2021-12-16 04:39:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_run [2021-12-16 04:39:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_run [2021-12-16 04:39:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:39:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:39:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-16 04:39:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-16 04:39:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure qh_put [2021-12-16 04:39:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_put [2021-12-16 04:39:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_irq [2021-12-16 04:39:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_irq [2021-12-16 04:39:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:39:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:39:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure scan_async [2021-12-16 04:39:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_async [2021-12-16 04:39:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-16 04:39:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-16 04:39:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:39:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:39:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2021-12-16 04:39:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2021-12-16 04:39:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_endpoint_disable [2021-12-16 04:39:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_endpoint_disable [2021-12-16 04:39:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-16 04:39:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-16 04:39:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:39:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:39:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-16 04:39:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-16 04:39:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-16 04:39:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-16 04:39:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qtd_free [2021-12-16 04:39:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qtd_free [2021-12-16 04:39:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:39:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:39:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:39:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-16 04:39:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-16 04:39:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:39:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-16 04:39:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-16 04:39:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-16 04:39:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-16 04:39:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-16 04:39:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:39:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:39:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_writel [2021-12-16 04:39:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_writel [2021-12-16 04:39:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:39:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:39:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_shutdown [2021-12-16 04:39:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_shutdown [2021-12-16 04:39:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-16 04:39:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-16 04:39:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_alloc [2021-12-16 04:39:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_alloc [2021-12-16 04:39:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:39:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:39:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-16 04:39:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-16 04:39:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_enqueue [2021-12-16 04:39:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_enqueue [2021-12-16 04:39:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-12-16 04:39:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-12-16 04:39:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2021-12-16 04:39:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2021-12-16 04:39:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure intr_deschedule [2021-12-16 04:39:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_deschedule [2021-12-16 04:39:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_buf_alloc [2021-12-16 04:39:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_buf_alloc [2021-12-16 04:39:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 04:39:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 04:39:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_control [2021-12-16 04:39:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_control [2021-12-16 04:39:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-16 04:39:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-16 04:39:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-16 04:39:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:39:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:39:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-16 04:39:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-16 04:39:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-16 04:39:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-16 04:39:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:39:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_probe [2021-12-16 04:39:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_probe [2021-12-16 04:39:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:39:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:39:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action [2021-12-16 04:39:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action [2021-12-16 04:39:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:39:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:39:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:39:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_get_frame [2021-12-16 04:39:08,964 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_get_frame [2021-12-16 04:39:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_stop [2021-12-16 04:39:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_stop [2021-12-16 04:39:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-16 04:39:08,966 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-16 04:39:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:39:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-16 04:39:08,970 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-16 04:39:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:39:08,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:39:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-16 04:39:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-16 04:39:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-16 04:39:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-16 04:39:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure __oxu_urb_enqueue [2021-12-16 04:39:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __oxu_urb_enqueue [2021-12-16 04:39:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_remove [2021-12-16 04:39:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_remove [2021-12-16 04:39:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-16 04:39:08,971 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-16 04:39:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:39:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:39:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:39:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:39:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:39:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-16 04:39:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-16 04:39:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-16 04:39:08,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-16 04:39:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:39:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:39:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2021-12-16 04:39:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2021-12-16 04:39:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure qh_unlink_periodic [2021-12-16 04:39:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_unlink_periodic [2021-12-16 04:39:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:39:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:39:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-16 04:39:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-16 04:39:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:39:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-12-16 04:39:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-12-16 04:39:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-16 04:39:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_async [2021-12-16 04:39:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_async [2021-12-16 04:39:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2021-12-16 04:39:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2021-12-16 04:39:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_to_hcd [2021-12-16 04:39:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_to_hcd [2021-12-16 04:39:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:39:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:39:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:39:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:39:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:39:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qh_alloc [2021-12-16 04:39:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qh_alloc [2021-12-16 04:39:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_suspend [2021-12-16 04:39:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_suspend [2021-12-16 04:39:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-16 04:39:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-16 04:39:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-12-16 04:39:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-12-16 04:39:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:39:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:39:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-16 04:39:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-16 04:39:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:39:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_status_data [2021-12-16 04:39:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_status_data [2021-12-16 04:39:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_shutdown [2021-12-16 04:39:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_shutdown [2021-12-16 04:39:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-16 04:39:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-16 04:39:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:39:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:39:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure qh_get [2021-12-16 04:39:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_get [2021-12-16 04:39:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-16 04:39:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-16 04:39:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2021-12-16 04:39:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2021-12-16 04:39:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action_done [2021-12-16 04:39:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action_done [2021-12-16 04:39:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:39:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:39:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:39:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:39:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-16 04:39:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-16 04:39:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2021-12-16 04:39:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2021-12-16 04:39:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_free [2021-12-16 04:39:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_free [2021-12-16 04:39:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2021-12-16 04:39:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2021-12-16 04:39:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2021-12-16 04:39:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2021-12-16 04:39:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2021-12-16 04:39:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2021-12-16 04:39:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-16 04:39:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-16 04:39:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-16 04:39:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-16 04:39:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:39:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:39:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-16 04:39:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-16 04:39:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:39:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:39:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_resume [2021-12-16 04:39:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_resume [2021-12-16 04:39:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_dequeue [2021-12-16 04:39:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_dequeue [2021-12-16 04:39:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:39:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:39:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-16 04:39:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-16 04:39:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 04:39:08,983 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 04:39:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-16 04:39:08,983 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-16 04:39:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-16 04:39:08,983 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-16 04:39:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_remove [2021-12-16 04:39:08,984 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_remove [2021-12-16 04:39:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:39:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2021-12-16 04:39:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2021-12-16 04:39:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_oxu [2021-12-16 04:39:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_oxu [2021-12-16 04:39:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_reset [2021-12-16 04:39:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_reset [2021-12-16 04:39:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:39:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:39:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:39:08,988 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:39:09,661 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:39:09,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:39:10,042 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:39:15,258 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:39:15,271 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:39:15,272 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:39:15,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:39:15 BoogieIcfgContainer [2021-12-16 04:39:15,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:39:15,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:39:15,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:39:15,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:39:15,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:39:06" (1/3) ... [2021-12-16 04:39:15,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:39:15, skipping insertion in model container [2021-12-16 04:39:15,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:39:08" (2/3) ... [2021-12-16 04:39:15,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:39:15, skipping insertion in model container [2021-12-16 04:39:15,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:39:15" (3/3) ... [2021-12-16 04:39:15,281 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2021-12-16 04:39:15,284 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:39:15,285 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:39:15,326 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:39:15,332 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 [2021-12-16 04:39:15,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:39:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 2722 states, 1890 states have (on average 1.37989417989418) internal successors, (2608), 1961 states have internal predecessors, (2608), 712 states have call successors, (712), 119 states have call predecessors, (712), 118 states have return successors, (706), 690 states have call predecessors, (706), 706 states have call successors, (706) [2021-12-16 04:39:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-16 04:39:15,414 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:39:15,415 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:39:15,416 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:39:15,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:39:15,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1729058157, now seen corresponding path program 1 times [2021-12-16 04:39:15,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:39:15,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957336174] [2021-12-16 04:39:15,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:39:15,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:39:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:15,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:39:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:15,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:39:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:39:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:39:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:39:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:39:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:39:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:39:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:39:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:39:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:39:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:39:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 04:39:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 04:39:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-16 04:39:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-16 04:39:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-16 04:39:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-16 04:39:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-16 04:39:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 04:39:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-16 04:39:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-16 04:39:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:39:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-16 04:39:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:39:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-16 04:39:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-16 04:39:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2021-12-16 04:39:16,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:39:16,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957336174] [2021-12-16 04:39:16,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957336174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:39:16,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:39:16,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:39:16,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805918867] [2021-12-16 04:39:16,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:39:16,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:39:16,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:39:16,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:39:16,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:39:16,477 INFO L87 Difference]: Start difference. First operand has 2722 states, 1890 states have (on average 1.37989417989418) internal successors, (2608), 1961 states have internal predecessors, (2608), 712 states have call successors, (712), 119 states have call predecessors, (712), 118 states have return successors, (706), 690 states have call predecessors, (706), 706 states have call successors, (706) Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:39:23,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:27,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:28,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:39:28,762 INFO L93 Difference]: Finished difference Result 5779 states and 8690 transitions. [2021-12-16 04:39:28,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:39:28,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 305 [2021-12-16 04:39:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:39:28,804 INFO L225 Difference]: With dead ends: 5779 [2021-12-16 04:39:28,804 INFO L226 Difference]: Without dead ends: 3034 [2021-12-16 04:39:28,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:39:28,825 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 1730 mSDsluCounter, 4624 mSDsCounter, 0 mSdLazyCounter, 3422 mSolverCounterSat, 1844 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 8301 SdHoareTripleChecker+Invalid, 5268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1844 IncrementalHoareTripleChecker+Valid, 3422 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:39:28,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1808 Valid, 8301 Invalid, 5268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1844 Valid, 3422 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2021-12-16 04:39:28,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2021-12-16 04:39:29,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 2694. [2021-12-16 04:39:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 1872 states have (on average 1.374465811965812) internal successors, (2573), 1935 states have internal predecessors, (2573), 704 states have call successors, (704), 118 states have call predecessors, (704), 117 states have return successors, (703), 687 states have call predecessors, (703), 703 states have call successors, (703) [2021-12-16 04:39:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3980 transitions. [2021-12-16 04:39:29,068 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3980 transitions. Word has length 305 [2021-12-16 04:39:29,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:39:29,070 INFO L470 AbstractCegarLoop]: Abstraction has 2694 states and 3980 transitions. [2021-12-16 04:39:29,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:39:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3980 transitions. [2021-12-16 04:39:29,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-16 04:39:29,091 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:39:29,091 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:39:29,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:39:29,092 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:39:29,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:39:29,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1283526759, now seen corresponding path program 1 times [2021-12-16 04:39:29,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:39:29,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653264945] [2021-12-16 04:39:29,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:39:29,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:39:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:39:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:39:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:39:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:39:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:39:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:39:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:39:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:39:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:39:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:39:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:39:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:39:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 04:39:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 04:39:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-16 04:39:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-16 04:39:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-16 04:39:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-16 04:39:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-16 04:39:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-16 04:39:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 04:39:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 04:39:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:39:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-16 04:39:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 04:39:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-16 04:39:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:39:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2021-12-16 04:39:29,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:39:29,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653264945] [2021-12-16 04:39:29,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653264945] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:39:29,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:39:29,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:39:29,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472743219] [2021-12-16 04:39:29,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:39:29,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:39:29,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:39:29,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:39:29,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:39:29,715 INFO L87 Difference]: Start difference. First operand 2694 states and 3980 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:39:38,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:43,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:46,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:39:46,072 INFO L93 Difference]: Finished difference Result 8525 states and 12770 transitions. [2021-12-16 04:39:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:39:46,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 306 [2021-12-16 04:39:46,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:39:46,104 INFO L225 Difference]: With dead ends: 8525 [2021-12-16 04:39:46,104 INFO L226 Difference]: Without dead ends: 5876 [2021-12-16 04:39:46,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:39:46,119 INFO L933 BasicCegarLoop]: 4143 mSDtfsCounter, 6673 mSDsluCounter, 7831 mSDsCounter, 0 mSdLazyCounter, 6109 mSolverCounterSat, 4142 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7168 SdHoareTripleChecker+Valid, 11974 SdHoareTripleChecker+Invalid, 10253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4142 IncrementalHoareTripleChecker+Valid, 6109 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:39:46,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7168 Valid, 11974 Invalid, 10253 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4142 Valid, 6109 Invalid, 2 Unknown, 0 Unchecked, 15.8s Time] [2021-12-16 04:39:46,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5876 states. [2021-12-16 04:39:46,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5876 to 5214. [2021-12-16 04:39:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5214 states, 3630 states have (on average 1.3738292011019284) internal successors, (4987), 3757 states have internal predecessors, (4987), 1349 states have call successors, (1349), 234 states have call predecessors, (1349), 234 states have return successors, (1354), 1316 states have call predecessors, (1354), 1348 states have call successors, (1354) [2021-12-16 04:39:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 5214 states and 7690 transitions. [2021-12-16 04:39:46,299 INFO L78 Accepts]: Start accepts. Automaton has 5214 states and 7690 transitions. Word has length 306 [2021-12-16 04:39:46,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:39:46,302 INFO L470 AbstractCegarLoop]: Abstraction has 5214 states and 7690 transitions. [2021-12-16 04:39:46,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:39:46,302 INFO L276 IsEmpty]: Start isEmpty. Operand 5214 states and 7690 transitions. [2021-12-16 04:39:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-16 04:39:46,313 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:39:46,313 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:39:46,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:39:46,314 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:39:46,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:39:46,314 INFO L85 PathProgramCache]: Analyzing trace with hash 115381437, now seen corresponding path program 1 times [2021-12-16 04:39:46,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:39:46,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412857820] [2021-12-16 04:39:46,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:39:46,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:39:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:39:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:39:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:39:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:39:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:39:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:39:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:39:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:39:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:39:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:39:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:39:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:39:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 04:39:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 04:39:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-16 04:39:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-16 04:39:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-16 04:39:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-16 04:39:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:39:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 04:39:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-16 04:39:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-16 04:39:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-16 04:39:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-16 04:39:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-16 04:39:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-16 04:39:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-16 04:39:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2021-12-16 04:39:46,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:39:46,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412857820] [2021-12-16 04:39:46,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412857820] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:39:46,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:39:46,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:39:46,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980679758] [2021-12-16 04:39:46,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:39:46,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:39:46,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:39:46,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:39:46,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:39:46,826 INFO L87 Difference]: Start difference. First operand 5214 states and 7690 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:39:55,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:58,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:59,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:39:59,655 INFO L93 Difference]: Finished difference Result 15545 states and 23161 transitions. [2021-12-16 04:39:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:39:59,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 303 [2021-12-16 04:39:59,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:39:59,714 INFO L225 Difference]: With dead ends: 15545 [2021-12-16 04:39:59,714 INFO L226 Difference]: Without dead ends: 10376 [2021-12-16 04:39:59,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:39:59,740 INFO L933 BasicCegarLoop]: 5400 mSDtfsCounter, 7868 mSDsluCounter, 5700 mSDsCounter, 0 mSdLazyCounter, 3583 mSolverCounterSat, 5064 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8365 SdHoareTripleChecker+Valid, 11100 SdHoareTripleChecker+Invalid, 8648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5064 IncrementalHoareTripleChecker+Valid, 3583 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:39:59,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8365 Valid, 11100 Invalid, 8648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5064 Valid, 3583 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2021-12-16 04:39:59,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10376 states. [2021-12-16 04:40:00,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10376 to 9204. [2021-12-16 04:40:00,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9204 states, 6430 states have (on average 1.3734059097978226) internal successors, (8831), 6663 states have internal predecessors, (8831), 2336 states have call successors, (2336), 437 states have call predecessors, (2336), 437 states have return successors, (2344), 2270 states have call predecessors, (2344), 2335 states have call successors, (2344) [2021-12-16 04:40:00,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9204 states to 9204 states and 13511 transitions. [2021-12-16 04:40:00,102 INFO L78 Accepts]: Start accepts. Automaton has 9204 states and 13511 transitions. Word has length 303 [2021-12-16 04:40:00,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:40:00,103 INFO L470 AbstractCegarLoop]: Abstraction has 9204 states and 13511 transitions. [2021-12-16 04:40:00,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:40:00,104 INFO L276 IsEmpty]: Start isEmpty. Operand 9204 states and 13511 transitions. [2021-12-16 04:40:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2021-12-16 04:40:00,134 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:40:00,134 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:40:00,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:40:00,135 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:40:00,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:40:00,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1532887860, now seen corresponding path program 1 times [2021-12-16 04:40:00,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:40:00,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127958592] [2021-12-16 04:40:00,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:40:00,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:40:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:40:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:40:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:40:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:40:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:40:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:40:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:40:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:40:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:40:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:40:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:40:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:40:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 04:40:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 04:40:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-16 04:40:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-16 04:40:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-16 04:40:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-16 04:40:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-16 04:40:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-16 04:40:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-16 04:40:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-16 04:40:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-16 04:40:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:40:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:40:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-16 04:40:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-16 04:40:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-16 04:40:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-16 04:40:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-16 04:40:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-16 04:40:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-16 04:40:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-16 04:40:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-16 04:40:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:40:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2021-12-16 04:40:00,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:40:00,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127958592] [2021-12-16 04:40:00,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127958592] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:40:00,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:40:00,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:40:00,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318331594] [2021-12-16 04:40:00,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:40:00,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:40:00,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:40:00,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:40:00,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:40:00,748 INFO L87 Difference]: Start difference. First operand 9204 states and 13511 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)