./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f258bb699a014f11eb0babe874a45670072f33ce1154e31a2f0110b34e4ef74 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:48:36,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:48:36,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:48:36,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:48:36,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:48:36,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:48:36,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:48:36,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:48:36,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:48:36,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:48:36,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:48:36,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:48:36,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:48:36,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:48:36,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:48:36,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:48:36,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:48:36,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:48:36,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:48:36,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:48:36,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:48:36,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:48:36,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:48:36,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:48:36,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:48:36,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:48:36,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:48:36,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:48:36,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:48:36,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:48:36,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:48:36,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:48:36,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:48:36,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:48:36,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:48:36,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:48:36,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:48:36,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:48:36,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:48:36,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:48:36,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:48:36,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:48:36,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:48:36,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:48:36,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:48:36,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:48:36,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:48:36,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:48:36,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:48:36,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:48:36,824 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:48:36,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:48:36,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:48:36,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:48:36,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:48:36,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:48:36,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:48:36,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:48:36,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:48:36,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:48:36,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:48:36,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:48:36,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:48:36,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:48:36,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:48:36,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:48:36,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:48:36,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:48:36,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:48:36,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:48:36,828 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:48:36,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:48:36,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:48:36,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f258bb699a014f11eb0babe874a45670072f33ce1154e31a2f0110b34e4ef74 [2021-12-22 14:48:37,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:48:37,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:48:37,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:48:37,058 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:48:37,059 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:48:37,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2021-12-22 14:48:37,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782831756/3f6045ad4a354fd3aa2d7c7a9282874b/FLAG674f63540 [2021-12-22 14:48:37,703 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:48:37,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2021-12-22 14:48:37,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782831756/3f6045ad4a354fd3aa2d7c7a9282874b/FLAG674f63540 [2021-12-22 14:48:38,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782831756/3f6045ad4a354fd3aa2d7c7a9282874b [2021-12-22 14:48:38,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:48:38,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:48:38,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:48:38,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:48:38,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:48:38,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:48:38" (1/1) ... [2021-12-22 14:48:38,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a583df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:38, skipping insertion in model container [2021-12-22 14:48:38,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:48:38" (1/1) ... [2021-12-22 14:48:38,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:48:38,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:48:39,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[239447,239460] [2021-12-22 14:48:39,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:48:39,423 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:48:39,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[239447,239460] [2021-12-22 14:48:39,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:48:39,742 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:48:39,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39 WrapperNode [2021-12-22 14:48:39,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:48:39,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:48:39,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:48:39,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:48:39,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:39,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:39,948 INFO L137 Inliner]: procedures = 261, calls = 1811, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 4510 [2021-12-22 14:48:39,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:48:39,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:48:39,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:48:39,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:48:39,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:39,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:40,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:40,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:40,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:40,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:40,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:40,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:48:40,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:48:40,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:48:40,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:48:40,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (1/1) ... [2021-12-22 14:48:40,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:48:40,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:48:40,264 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) [2021-12-22 14:48:40,281 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 [2021-12-22 14:48:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:48:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:48:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2021-12-22 14:48:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2021-12-22 14:48:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:48:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:48:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:48:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:48:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 14:48:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 14:48:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2021-12-22 14:48:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2021-12-22 14:48:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2021-12-22 14:48:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2021-12-22 14:48:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2021-12-22 14:48:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2021-12-22 14:48:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-22 14:48:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-22 14:48:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-22 14:48:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-22 14:48:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:48:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:48:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-22 14:48:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-22 14:48:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-22 14:48:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-22 14:48:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2021-12-22 14:48:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2021-12-22 14:48:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_50 [2021-12-22 14:48:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_50 [2021-12-22 14:48:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:48:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:48:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:48:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:48:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:48:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:48:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:48:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:48:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2021-12-22 14:48:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2021-12-22 14:48:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 14:48:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 14:48:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2021-12-22 14:48:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2021-12-22 14:48:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 14:48:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 14:48:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2021-12-22 14:48:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2021-12-22 14:48:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2021-12-22 14:48:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2021-12-22 14:48:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2021-12-22 14:48:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2021-12-22 14:48:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:48:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2021-12-22 14:48:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2021-12-22 14:48:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:48:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:48:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-22 14:48:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-22 14:48:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:48:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2021-12-22 14:48:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2021-12-22 14:48:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 14:48:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 14:48:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2021-12-22 14:48:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2021-12-22 14:48:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2021-12-22 14:48:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2021-12-22 14:48:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-22 14:48:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-22 14:48:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2021-12-22 14:48:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2021-12-22 14:48:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:48:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:48:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 14:48:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 14:48:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:48:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:48:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2021-12-22 14:48:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2021-12-22 14:48:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:48:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:48:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 14:48:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 14:48:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2021-12-22 14:48:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2021-12-22 14:48:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-22 14:48:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-22 14:48:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2021-12-22 14:48:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2021-12-22 14:48:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2021-12-22 14:48:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2021-12-22 14:48:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-22 14:48:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-22 14:48:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-22 14:48:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-22 14:48:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:48:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2021-12-22 14:48:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2021-12-22 14:48:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:48:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-22 14:48:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-22 14:48:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2021-12-22 14:48:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2021-12-22 14:48:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-22 14:48:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-22 14:48:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:48:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-22 14:48:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-22 14:48:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:48:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:48:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 14:48:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 14:48:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2021-12-22 14:48:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2021-12-22 14:48:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 14:48:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 14:48:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:48:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:48:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-22 14:48:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-22 14:48:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:48:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2021-12-22 14:48:40,318 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2021-12-22 14:48:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2021-12-22 14:48:40,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2021-12-22 14:48:40,319 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2021-12-22 14:48:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2021-12-22 14:48:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:48:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:48:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2021-12-22 14:48:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2021-12-22 14:48:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 14:48:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 14:48:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:48:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2021-12-22 14:48:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2021-12-22 14:48:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-22 14:48:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-22 14:48:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 14:48:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 14:48:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-22 14:48:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-22 14:48:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2021-12-22 14:48:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_9 [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_9 [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:48:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:48:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_47 [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_47 [2021-12-22 14:48:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-22 14:48:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-22 14:48:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:48:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-22 14:48:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-22 14:48:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2021-12-22 14:48:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2021-12-22 14:48:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-22 14:48:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-22 14:48:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2021-12-22 14:48:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2021-12-22 14:48:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2021-12-22 14:48:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2021-12-22 14:48:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 14:48:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:48:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:48:40,925 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:48:40,928 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:48:41,697 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:48:44,354 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:48:44,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:48:44,366 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:48:44,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:48:44 BoogieIcfgContainer [2021-12-22 14:48:44,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:48:44,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:48:44,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:48:44,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:48:44,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:48:38" (1/3) ... [2021-12-22 14:48:44,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8a17da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:48:44, skipping insertion in model container [2021-12-22 14:48:44,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:39" (2/3) ... [2021-12-22 14:48:44,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8a17da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:48:44, skipping insertion in model container [2021-12-22 14:48:44,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:48:44" (3/3) ... [2021-12-22 14:48:44,375 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2021-12-22 14:48:44,379 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:48:44,379 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:48:44,426 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:48:44,430 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 [2021-12-22 14:48:44,430 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:48:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 1581 states, 1104 states have (on average 1.3967391304347827) internal successors, (1542), 1170 states have internal predecessors, (1542), 382 states have call successors, (382), 94 states have call predecessors, (382), 93 states have return successors, (373), 347 states have call predecessors, (373), 373 states have call successors, (373) [2021-12-22 14:48:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-22 14:48:44,519 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:48:44,520 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-22 14:48:44,520 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:48:44,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:48:44,525 INFO L85 PathProgramCache]: Analyzing trace with hash -838760980, now seen corresponding path program 1 times [2021-12-22 14:48:44,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:48:44,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112220376] [2021-12-22 14:48:44,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:48:44,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:48:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:44,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:48:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:48:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:48:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:48:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:48:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:48:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:48:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:48:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:48:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:48:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:48:45,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:48:45,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112220376] [2021-12-22 14:48:45,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112220376] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:48:45,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:48:45,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:48:45,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869745435] [2021-12-22 14:48:45,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:48:45,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:48:45,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:48:45,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:48:45,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:48:45,359 INFO L87 Difference]: Start difference. First operand has 1581 states, 1104 states have (on average 1.3967391304347827) internal successors, (1542), 1170 states have internal predecessors, (1542), 382 states have call successors, (382), 94 states have call predecessors, (382), 93 states have return successors, (373), 347 states have call predecessors, (373), 373 states have call successors, (373) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:48:49,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:48:49,273 INFO L93 Difference]: Finished difference Result 3320 states and 4941 transitions. [2021-12-22 14:48:49,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:48:49,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2021-12-22 14:48:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:48:49,314 INFO L225 Difference]: With dead ends: 3320 [2021-12-22 14:48:49,314 INFO L226 Difference]: Without dead ends: 1727 [2021-12-22 14:48:49,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:48:49,332 INFO L933 BasicCegarLoop]: 2117 mSDtfsCounter, 1695 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 1504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 2941 SdHoareTripleChecker+Invalid, 2469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1504 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-22 14:48:49,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 2941 Invalid, 2469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1504 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-22 14:48:49,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2021-12-22 14:48:49,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1565. [2021-12-22 14:48:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1099 states have (on average 1.3876251137397635) internal successors, (1525), 1154 states have internal predecessors, (1525), 373 states have call successors, (373), 93 states have call predecessors, (373), 92 states have return successors, (369), 343 states have call predecessors, (369), 369 states have call successors, (369) [2021-12-22 14:48:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2267 transitions. [2021-12-22 14:48:49,439 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2267 transitions. Word has length 113 [2021-12-22 14:48:49,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:48:49,440 INFO L470 AbstractCegarLoop]: Abstraction has 1565 states and 2267 transitions. [2021-12-22 14:48:49,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:48:49,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2267 transitions. [2021-12-22 14:48:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-22 14:48:49,444 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:48:49,445 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-22 14:48:49,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:48:49,445 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:48:49,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:48:49,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1879567644, now seen corresponding path program 1 times [2021-12-22 14:48:49,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:48:49,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468563623] [2021-12-22 14:48:49,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:48:49,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:48:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:48:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:48:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:48:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:48:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:48:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:48:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:48:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:48:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:48:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:48:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:48:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:48:49,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:48:49,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468563623] [2021-12-22 14:48:49,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468563623] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:48:49,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:48:49,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:48:49,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010435045] [2021-12-22 14:48:49,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:48:49,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:48:49,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:48:49,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:48:49,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:48:49,683 INFO L87 Difference]: Start difference. First operand 1565 states and 2267 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:49:02,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:49:02,674 INFO L93 Difference]: Finished difference Result 4963 states and 7452 transitions. [2021-12-22 14:49:02,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:49:02,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2021-12-22 14:49:02,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:49:02,691 INFO L225 Difference]: With dead ends: 4963 [2021-12-22 14:49:02,691 INFO L226 Difference]: Without dead ends: 3421 [2021-12-22 14:49:02,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:49:02,704 INFO L933 BasicCegarLoop]: 2624 mSDtfsCounter, 4037 mSDsluCounter, 4455 mSDsCounter, 0 mSdLazyCounter, 4096 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4251 SdHoareTripleChecker+Valid, 7079 SdHoareTripleChecker+Invalid, 6272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 4096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-12-22 14:49:02,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4251 Valid, 7079 Invalid, 6272 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2176 Valid, 4096 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2021-12-22 14:49:02,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2021-12-22 14:49:02,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 3128. [2021-12-22 14:49:02,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3128 states, 2197 states have (on average 1.385980883022303) internal successors, (3045), 2307 states have internal predecessors, (3045), 738 states have call successors, (738), 184 states have call predecessors, (738), 192 states have return successors, (786), 690 states have call predecessors, (786), 734 states have call successors, (786) [2021-12-22 14:49:02,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 4569 transitions. [2021-12-22 14:49:02,823 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 4569 transitions. Word has length 113 [2021-12-22 14:49:02,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:49:02,825 INFO L470 AbstractCegarLoop]: Abstraction has 3128 states and 4569 transitions. [2021-12-22 14:49:02,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:49:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 4569 transitions. [2021-12-22 14:49:02,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-22 14:49:02,828 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:49:02,828 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-22 14:49:02,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:49:02,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:49:02,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:49:02,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1862399358, now seen corresponding path program 1 times [2021-12-22 14:49:02,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:49:02,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243668406] [2021-12-22 14:49:02,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:49:02,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:49:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:49:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:49:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:49:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:49:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:49:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:49:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:49:03,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:49:03,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243668406] [2021-12-22 14:49:03,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243668406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:49:03,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:49:03,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:49:03,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852641962] [2021-12-22 14:49:03,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:49:03,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:49:03,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:49:03,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:49:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:49:03,150 INFO L87 Difference]: Start difference. First operand 3128 states and 4569 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:49:13,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:49:13,568 INFO L93 Difference]: Finished difference Result 9554 states and 14417 transitions. [2021-12-22 14:49:13,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:49:13,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2021-12-22 14:49:13,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:49:13,604 INFO L225 Difference]: With dead ends: 9554 [2021-12-22 14:49:13,604 INFO L226 Difference]: Without dead ends: 6449 [2021-12-22 14:49:13,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:49:13,622 INFO L933 BasicCegarLoop]: 2345 mSDtfsCounter, 3826 mSDsluCounter, 4103 mSDsCounter, 0 mSdLazyCounter, 3764 mSolverCounterSat, 2173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4002 SdHoareTripleChecker+Valid, 6448 SdHoareTripleChecker+Invalid, 5937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2173 IncrementalHoareTripleChecker+Valid, 3764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:49:13,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4002 Valid, 6448 Invalid, 5937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2173 Valid, 3764 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2021-12-22 14:49:13,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6449 states. [2021-12-22 14:49:13,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6449 to 5863. [2021-12-22 14:49:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5863 states, 4118 states have (on average 1.3919378338999515) internal successors, (5732), 4333 states have internal predecessors, (5732), 1377 states have call successors, (1377), 350 states have call predecessors, (1377), 367 states have return successors, (1475), 1285 states have call predecessors, (1475), 1373 states have call successors, (1475) [2021-12-22 14:49:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5863 states to 5863 states and 8584 transitions. [2021-12-22 14:49:13,805 INFO L78 Accepts]: Start accepts. Automaton has 5863 states and 8584 transitions. Word has length 114 [2021-12-22 14:49:13,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:49:13,805 INFO L470 AbstractCegarLoop]: Abstraction has 5863 states and 8584 transitions. [2021-12-22 14:49:13,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:49:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5863 states and 8584 transitions. [2021-12-22 14:49:13,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-22 14:49:13,808 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:49:13,808 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-22 14:49:13,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:49:13,809 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:49:13,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:49:13,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1899264295, now seen corresponding path program 1 times [2021-12-22 14:49:13,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:49:13,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712238638] [2021-12-22 14:49:13,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:49:13,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:49:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:49:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:49:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:49:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:49:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:49:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:49:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:14,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:49:14,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:49:14,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712238638] [2021-12-22 14:49:14,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712238638] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:49:14,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:49:14,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:49:14,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501376121] [2021-12-22 14:49:14,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:49:14,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:49:14,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:49:14,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:49:14,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:49:14,070 INFO L87 Difference]: Start difference. First operand 5863 states and 8584 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:49:17,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:49:17,965 INFO L93 Difference]: Finished difference Result 6444 states and 9628 transitions. [2021-12-22 14:49:17,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:49:17,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 115 [2021-12-22 14:49:17,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:49:17,992 INFO L225 Difference]: With dead ends: 6444 [2021-12-22 14:49:17,992 INFO L226 Difference]: Without dead ends: 6441 [2021-12-22 14:49:17,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:49:17,997 INFO L933 BasicCegarLoop]: 2040 mSDtfsCounter, 3609 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 1838 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 2851 SdHoareTripleChecker+Invalid, 2824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1838 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:49:17,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3824 Valid, 2851 Invalid, 2824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1838 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-22 14:49:18,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6441 states. [2021-12-22 14:49:18,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6441 to 5862. [2021-12-22 14:49:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5862 states, 4118 states have (on average 1.3916949975716366) internal successors, (5731), 4332 states have internal predecessors, (5731), 1376 states have call successors, (1376), 350 states have call predecessors, (1376), 367 states have return successors, (1475), 1285 states have call predecessors, (1475), 1373 states have call successors, (1475) [2021-12-22 14:49:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5862 states to 5862 states and 8582 transitions. [2021-12-22 14:49:18,174 INFO L78 Accepts]: Start accepts. Automaton has 5862 states and 8582 transitions. Word has length 115 [2021-12-22 14:49:18,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:49:18,175 INFO L470 AbstractCegarLoop]: Abstraction has 5862 states and 8582 transitions. [2021-12-22 14:49:18,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:49:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 5862 states and 8582 transitions. [2021-12-22 14:49:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-22 14:49:18,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:49:18,178 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-22 14:49:18,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:49:18,178 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:49:18,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:49:18,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1252885087, now seen corresponding path program 1 times [2021-12-22 14:49:18,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:49:18,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005414769] [2021-12-22 14:49:18,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:49:18,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:49:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:49:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:49:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:49:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:49:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:49:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:49:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:49:18,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:49:18,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005414769] [2021-12-22 14:49:18,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005414769] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:49:18,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:49:18,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:49:18,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138853805] [2021-12-22 14:49:18,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:49:18,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:49:18,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:49:18,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:49:18,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:49:18,404 INFO L87 Difference]: Start difference. First operand 5862 states and 8582 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:49:24,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:49:24,516 INFO L93 Difference]: Finished difference Result 6443 states and 9626 transitions. [2021-12-22 14:49:24,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:49:24,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 116 [2021-12-22 14:49:24,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:49:24,544 INFO L225 Difference]: With dead ends: 6443 [2021-12-22 14:49:24,545 INFO L226 Difference]: Without dead ends: 6411 [2021-12-22 14:49:24,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:49:24,551 INFO L933 BasicCegarLoop]: 2046 mSDtfsCounter, 3089 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 1673 mSolverCounterSat, 1362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3304 SdHoareTripleChecker+Valid, 3534 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1362 IncrementalHoareTripleChecker+Valid, 1673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-22 14:49:24,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3304 Valid, 3534 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1362 Valid, 1673 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-22 14:49:24,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6411 states. [2021-12-22 14:49:24,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6411 to 5832. [2021-12-22 14:49:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5832 states, 4102 states have (on average 1.3922476840565579) internal successors, (5711), 4315 states have internal predecessors, (5711), 1363 states have call successors, (1363), 349 states have call predecessors, (1363), 366 states have return successors, (1463), 1273 states have call predecessors, (1463), 1361 states have call successors, (1463) [2021-12-22 14:49:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 8537 transitions. [2021-12-22 14:49:24,823 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 8537 transitions. Word has length 116 [2021-12-22 14:49:24,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:49:24,824 INFO L470 AbstractCegarLoop]: Abstraction has 5832 states and 8537 transitions. [2021-12-22 14:49:24,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:49:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 8537 transitions. [2021-12-22 14:49:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-22 14:49:24,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:49:24,843 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 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] [2021-12-22 14:49:24,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 14:49:24,844 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:49:24,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:49:24,844 INFO L85 PathProgramCache]: Analyzing trace with hash -779411748, now seen corresponding path program 1 times [2021-12-22 14:49:24,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:49:24,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189877229] [2021-12-22 14:49:24,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:49:24,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:49:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:49:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:49:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:49:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:49:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:49:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:49:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 14:49:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 14:49:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 14:49:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 14:49:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 14:49:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 14:49:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-22 14:49:25,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:49:25,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189877229] [2021-12-22 14:49:25,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189877229] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:49:25,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:49:25,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 14:49:25,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292317555] [2021-12-22 14:49:25,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:49:25,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:49:25,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:49:25,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:49:25,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:49:25,072 INFO L87 Difference]: Start difference. First operand 5832 states and 8537 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 14:49:36,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:49:36,901 INFO L93 Difference]: Finished difference Result 20022 states and 30342 transitions. [2021-12-22 14:49:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 14:49:36,901 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 166 [2021-12-22 14:49:36,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:49:36,972 INFO L225 Difference]: With dead ends: 20022 [2021-12-22 14:49:36,972 INFO L226 Difference]: Without dead ends: 14213 [2021-12-22 14:49:37,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-22 14:49:37,006 INFO L933 BasicCegarLoop]: 2266 mSDtfsCounter, 7203 mSDsluCounter, 4859 mSDsCounter, 0 mSdLazyCounter, 5803 mSolverCounterSat, 5855 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7528 SdHoareTripleChecker+Valid, 7125 SdHoareTripleChecker+Invalid, 11658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5855 IncrementalHoareTripleChecker+Valid, 5803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:49:37,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7528 Valid, 7125 Invalid, 11658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5855 Valid, 5803 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2021-12-22 14:49:37,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14213 states. [2021-12-22 14:49:37,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14213 to 12528. [2021-12-22 14:49:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12528 states, 8714 states have (on average 1.3847831076428736) internal successors, (12067), 9225 states have internal predecessors, (12067), 2933 states have call successors, (2933), 677 states have call predecessors, (2933), 880 states have return successors, (3800), 2907 states have call predecessors, (3800), 2931 states have call successors, (3800) [2021-12-22 14:49:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12528 states to 12528 states and 18800 transitions. [2021-12-22 14:49:37,489 INFO L78 Accepts]: Start accepts. Automaton has 12528 states and 18800 transitions. Word has length 166 [2021-12-22 14:49:37,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:49:37,489 INFO L470 AbstractCegarLoop]: Abstraction has 12528 states and 18800 transitions. [2021-12-22 14:49:37,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 14:49:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 12528 states and 18800 transitions. [2021-12-22 14:49:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-22 14:49:37,503 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:49:37,503 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:49:37,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 14:49:37,504 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:49:37,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:49:37,504 INFO L85 PathProgramCache]: Analyzing trace with hash 2017075681, now seen corresponding path program 1 times [2021-12-22 14:49:37,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:49:37,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63241681] [2021-12-22 14:49:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:49:37,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:49:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:49:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:49:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:49:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:49:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:49:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:49:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 14:49:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 14:49:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 14:49:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-22 14:49:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 14:49:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:49:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-22 14:49:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-12-22 14:49:37,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:49:37,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63241681] [2021-12-22 14:49:37,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63241681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:49:37,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:49:37,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 14:49:37,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731058460] [2021-12-22 14:49:37,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:49:37,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 14:49:37,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:49:37,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 14:49:37,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:49:37,814 INFO L87 Difference]: Start difference. First operand 12528 states and 18800 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)