./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:48:40,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:48:40,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:48:40,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:48:40,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:48:40,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:48:40,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:48:40,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:48:40,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:48:40,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:48:40,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:48:40,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:48:40,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:48:40,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:48:40,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:48:40,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:48:40,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:48:40,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:48:40,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:48:40,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:48:40,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:48:40,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:48:40,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:48:40,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:48:40,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:48:40,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:48:40,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:48:40,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:48:40,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:48:40,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:48:40,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:48:40,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:48:40,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:48:40,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:48:40,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:48:40,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:48:40,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:48:40,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:48:40,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:48:40,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:48:40,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:48:40,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:48:40,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:48:40,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:48:40,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:48:40,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:48:40,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:48:40,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:48:40,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:48:40,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:48:40,942 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:48:40,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:48:40,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:48:40,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:48:40,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:48:40,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:48:40,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:48:40,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:48:40,944 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:48:40,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:48:40,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:48:40,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:48:40,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:48:40,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:48:40,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:48:40,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:48:40,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:48:40,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:48:40,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:48:40,947 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:48:40,947 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:48:40,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:48:40,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:48:40,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 [2021-12-14 17:48:41,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:48:41,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:48:41,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:48:41,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:48:41,233 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:48:41,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2021-12-14 17:48:41,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03dfe76a6/a902a2e4db2542df87dbd2904f5f872c/FLAGbff4f6c03 [2021-12-14 17:48:41,811 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:48:41,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2021-12-14 17:48:41,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03dfe76a6/a902a2e4db2542df87dbd2904f5f872c/FLAGbff4f6c03 [2021-12-14 17:48:42,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03dfe76a6/a902a2e4db2542df87dbd2904f5f872c [2021-12-14 17:48:42,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:48:42,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:48:42,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:48:42,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:48:42,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:48:42,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:48:42" (1/1) ... [2021-12-14 17:48:42,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623799d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:42, skipping insertion in model container [2021-12-14 17:48:42,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:48:42" (1/1) ... [2021-12-14 17:48:42,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:48:42,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:48:42,626 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2021-12-14 17:48:42,628 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2021-12-14 17:48:42,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2021-12-14 17:48:42,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:48:42,844 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:48:42,898 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2021-12-14 17:48:42,899 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2021-12-14 17:48:42,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2021-12-14 17:48:42,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:48:43,019 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:48:43,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43 WrapperNode [2021-12-14 17:48:43,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:48:43,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:48:43,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:48:43,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:48:43,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,114 INFO L137 Inliner]: procedures = 77, calls = 397, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 844 [2021-12-14 17:48:43,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:48:43,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:48:43,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:48:43,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:48:43,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:48:43,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:48:43,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:48:43,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:48:43,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (1/1) ... [2021-12-14 17:48:43,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:48:43,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:48:43,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:48:43,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:48:43,289 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 17:48:43,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 17:48:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:48:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-12-14 17:48:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-12-14 17:48:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:48:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 17:48:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 17:48:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-12-14 17:48:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-12-14 17:48:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2021-12-14 17:48:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2021-12-14 17:48:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:48:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:48:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:48:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2021-12-14 17:48:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2021-12-14 17:48:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:48:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2021-12-14 17:48:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2021-12-14 17:48:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:48:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:48:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:48:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:48:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-14 17:48:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-14 17:48:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:48:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:48:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:48:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2021-12-14 17:48:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2021-12-14 17:48:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:48:43,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:48:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:48:43,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:48:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-14 17:48:43,296 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-14 17:48:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-14 17:48:43,296 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-14 17:48:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:48:43,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:48:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:48:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-14 17:48:43,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-14 17:48:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:48:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:48:43,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:48:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:48:43,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:48:43,522 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:48:43,524 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:48:43,633 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:48:44,101 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:48:44,109 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:48:44,109 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:48:44,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:48:44 BoogieIcfgContainer [2021-12-14 17:48:44,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:48:44,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:48:44,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:48:44,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:48:44,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:48:42" (1/3) ... [2021-12-14 17:48:44,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f94e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:48:44, skipping insertion in model container [2021-12-14 17:48:44,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:48:43" (2/3) ... [2021-12-14 17:48:44,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f94e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:48:44, skipping insertion in model container [2021-12-14 17:48:44,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:48:44" (3/3) ... [2021-12-14 17:48:44,117 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2021-12-14 17:48:44,121 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:48:44,121 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:48:44,159 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:48:44,164 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:48:44,164 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:48:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 243 states, 165 states have (on average 1.303030303030303) internal successors, (215), 171 states have internal predecessors, (215), 58 states have call successors, (58), 19 states have call predecessors, (58), 18 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2021-12-14 17:48:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-14 17:48:44,192 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:48:44,193 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:48:44,193 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:48:44,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:48:44,198 INFO L85 PathProgramCache]: Analyzing trace with hash 743698219, now seen corresponding path program 1 times [2021-12-14 17:48:44,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:48:44,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758527629] [2021-12-14 17:48:44,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:48:44,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:48:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:48:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:48:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 17:48:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 17:48:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:48:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-14 17:48:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:48:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-14 17:48:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-14 17:48:44,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:48:44,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758527629] [2021-12-14 17:48:44,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758527629] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:48:44,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:48:44,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:48:44,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853717626] [2021-12-14 17:48:44,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:48:44,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:48:44,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:48:44,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:48:44,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:48:44,710 INFO L87 Difference]: Start difference. First operand has 243 states, 165 states have (on average 1.303030303030303) internal successors, (215), 171 states have internal predecessors, (215), 58 states have call successors, (58), 19 states have call predecessors, (58), 18 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:48:45,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:48:45,333 INFO L93 Difference]: Finished difference Result 595 states and 852 transitions. [2021-12-14 17:48:45,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 17:48:45,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2021-12-14 17:48:45,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:48:45,346 INFO L225 Difference]: With dead ends: 595 [2021-12-14 17:48:45,352 INFO L226 Difference]: Without dead ends: 320 [2021-12-14 17:48:45,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:48:45,363 INFO L933 BasicCegarLoop]: 467 mSDtfsCounter, 153 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-14 17:48:45,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 1293 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-14 17:48:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-12-14 17:48:45,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 225. [2021-12-14 17:48:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 154 states have (on average 1.2727272727272727) internal successors, (196), 155 states have internal predecessors, (196), 53 states have call successors, (53), 18 states have call predecessors, (53), 17 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-14 17:48:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 301 transitions. [2021-12-14 17:48:45,447 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 301 transitions. Word has length 74 [2021-12-14 17:48:45,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:48:45,452 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 301 transitions. [2021-12-14 17:48:45,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:48:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 301 transitions. [2021-12-14 17:48:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-14 17:48:45,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:48:45,462 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:48:45,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:48:45,463 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:48:45,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:48:45,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1405383361, now seen corresponding path program 1 times [2021-12-14 17:48:45,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:48:45,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690412830] [2021-12-14 17:48:45,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:48:45,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:48:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:48:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:48:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:48:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-14 17:48:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 17:48:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:48:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 17:48:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 17:48:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 17:48:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-14 17:48:45,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:48:45,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690412830] [2021-12-14 17:48:45,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690412830] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:48:45,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:48:45,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:48:45,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712665356] [2021-12-14 17:48:45,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:48:45,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:48:45,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:48:45,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:48:45,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:48:45,656 INFO L87 Difference]: Start difference. First operand 225 states and 301 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-14 17:48:46,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:48:46,130 INFO L93 Difference]: Finished difference Result 601 states and 805 transitions. [2021-12-14 17:48:46,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:48:46,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2021-12-14 17:48:46,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:48:46,134 INFO L225 Difference]: With dead ends: 601 [2021-12-14 17:48:46,134 INFO L226 Difference]: Without dead ends: 390 [2021-12-14 17:48:46,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:48:46,137 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 252 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-14 17:48:46,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 862 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-14 17:48:46,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-12-14 17:48:46,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 372. [2021-12-14 17:48:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 253 states have (on average 1.2687747035573123) internal successors, (321), 255 states have internal predecessors, (321), 87 states have call successors, (87), 32 states have call predecessors, (87), 31 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-12-14 17:48:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 494 transitions. [2021-12-14 17:48:46,164 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 494 transitions. Word has length 94 [2021-12-14 17:48:46,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:48:46,165 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 494 transitions. [2021-12-14 17:48:46,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-14 17:48:46,165 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 494 transitions. [2021-12-14 17:48:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-12-14 17:48:46,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:48:46,168 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 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] [2021-12-14 17:48:46,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:48:46,169 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:48:46,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:48:46,169 INFO L85 PathProgramCache]: Analyzing trace with hash 235506925, now seen corresponding path program 1 times [2021-12-14 17:48:46,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:48:46,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380967182] [2021-12-14 17:48:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:48:46,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:48:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:48:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:48:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-14 17:48:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 17:48:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:48:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-14 17:48:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 17:48:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:48:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:48:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-14 17:48:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-14 17:48:46,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:48:46,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380967182] [2021-12-14 17:48:46,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380967182] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 17:48:46,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679073415] [2021-12-14 17:48:46,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:48:46,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:48:46,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:48:46,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 17:48:46,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 17:48:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:46,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 17:48:46,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:48:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-12-14 17:48:46,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:48:46,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679073415] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:48:46,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 17:48:46,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2021-12-14 17:48:46,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429424441] [2021-12-14 17:48:46,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:48:46,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:48:46,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:48:46,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:48:46,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:48:46,774 INFO L87 Difference]: Start difference. First operand 372 states and 494 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-14 17:48:46,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:48:46,826 INFO L93 Difference]: Finished difference Result 922 states and 1269 transitions. [2021-12-14 17:48:46,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:48:46,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 87 [2021-12-14 17:48:46,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:48:46,836 INFO L225 Difference]: With dead ends: 922 [2021-12-14 17:48:46,836 INFO L226 Difference]: Without dead ends: 564 [2021-12-14 17:48:46,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:48:46,843 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 116 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:48:46,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 724 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 17:48:46,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2021-12-14 17:48:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 410. [2021-12-14 17:48:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 277 states have (on average 1.2743682310469313) internal successors, (353), 281 states have internal predecessors, (353), 101 states have call successors, (101), 32 states have call predecessors, (101), 31 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2021-12-14 17:48:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 554 transitions. [2021-12-14 17:48:46,894 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 554 transitions. Word has length 87 [2021-12-14 17:48:46,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:48:46,897 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 554 transitions. [2021-12-14 17:48:46,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-14 17:48:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 554 transitions. [2021-12-14 17:48:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-14 17:48:46,903 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:48:46,903 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-14 17:48:46,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-14 17:48:47,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:48:47,118 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:48:47,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:48:47,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1328000649, now seen corresponding path program 1 times [2021-12-14 17:48:47,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:48:47,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502007791] [2021-12-14 17:48:47,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:48:47,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:48:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:48:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:48:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:48:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-14 17:48:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:48:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:48:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 17:48:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 17:48:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 17:48:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:48:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-14 17:48:47,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:48:47,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502007791] [2021-12-14 17:48:47,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502007791] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 17:48:47,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608256789] [2021-12-14 17:48:47,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:48:47,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 17:48:47,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:48:47,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 17:48:47,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-14 17:48:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:48:47,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-14 17:48:47,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 17:48:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-14 17:48:47,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 17:48:47,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608256789] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:48:47,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 17:48:47,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2021-12-14 17:48:47,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962839300] [2021-12-14 17:48:47,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:48:47,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:48:47,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:48:47,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:48:47,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:48:47,749 INFO L87 Difference]: Start difference. First operand 410 states and 554 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-14 17:48:47,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:48:47,763 INFO L93 Difference]: Finished difference Result 410 states and 554 transitions. [2021-12-14 17:48:47,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:48:47,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2021-12-14 17:48:47,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:48:47,767 INFO L225 Difference]: With dead ends: 410 [2021-12-14 17:48:47,767 INFO L226 Difference]: Without dead ends: 0 [2021-12-14 17:48:47,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:48:47,772 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 222 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:48:47,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 295 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 17:48:47,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-14 17:48:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-14 17:48:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 17:48:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 17:48:47,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2021-12-14 17:48:47,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:48:47,776 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 17:48:47,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-14 17:48:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-14 17:48:47,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-14 17:48:47,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-14 17:48:47,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-14 17:48:47,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-14 17:48:47,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-14 17:48:48,389 INFO L861 garLoopResultBuilder]: At program point __list_addENTRY(lines 2129 2131) the Hoare annotation is: true [2021-12-14 17:48:48,390 INFO L858 garLoopResultBuilder]: For program point __list_addFINAL(lines 2129 2131) no Hoare annotation was computed. [2021-12-14 17:48:48,390 INFO L858 garLoopResultBuilder]: For program point __list_addEXIT(lines 2129 2131) no Hoare annotation was computed. [2021-12-14 17:48:48,390 INFO L861 garLoopResultBuilder]: At program point __release_regionENTRY(lines 2132 2134) the Hoare annotation is: true [2021-12-14 17:48:48,390 INFO L858 garLoopResultBuilder]: For program point __release_regionFINAL(lines 2132 2134) no Hoare annotation was computed. [2021-12-14 17:48:48,390 INFO L858 garLoopResultBuilder]: For program point __release_regionEXIT(lines 2132 2134) no Hoare annotation was computed. [2021-12-14 17:48:48,390 INFO L858 garLoopResultBuilder]: For program point kfreeEXIT(lines 2182 2184) no Hoare annotation was computed. [2021-12-14 17:48:48,390 INFO L854 garLoopResultBuilder]: At program point kfreeENTRY(lines 2182 2184) the Hoare annotation is: (= |old(#valid)| |#valid|) [2021-12-14 17:48:48,390 INFO L858 garLoopResultBuilder]: For program point kfreeFINAL(lines 2182 2184) no Hoare annotation was computed. [2021-12-14 17:48:48,390 INFO L858 garLoopResultBuilder]: For program point pnp_get_resourceEXIT(lines 2163 2165) no Hoare annotation was computed. [2021-12-14 17:48:48,390 INFO L854 garLoopResultBuilder]: At program point pnp_get_resourceENTRY(lines 2163 2165) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-14 17:48:48,390 INFO L858 garLoopResultBuilder]: For program point pnp_get_resourceFINAL(lines 2163 2165) no Hoare annotation was computed. [2021-12-14 17:48:48,391 INFO L854 garLoopResultBuilder]: At program point L2164(line 2164) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-14 17:48:48,391 INFO L858 garLoopResultBuilder]: For program point L2164-1(line 2164) no Hoare annotation was computed. [2021-12-14 17:48:48,391 INFO L858 garLoopResultBuilder]: For program point msleepEXIT(lines 2160 2162) no Hoare annotation was computed. [2021-12-14 17:48:48,391 INFO L861 garLoopResultBuilder]: At program point msleepENTRY(lines 2160 2162) the Hoare annotation is: true [2021-12-14 17:48:48,391 INFO L858 garLoopResultBuilder]: For program point msleepFINAL(lines 2160 2162) no Hoare annotation was computed. [2021-12-14 17:48:48,391 INFO L858 garLoopResultBuilder]: For program point pnp_resource_validFINAL(lines 1601 1610) no Hoare annotation was computed. [2021-12-14 17:48:48,391 INFO L858 garLoopResultBuilder]: For program point pnp_resource_validEXIT(lines 1601 1610) no Hoare annotation was computed. [2021-12-14 17:48:48,391 INFO L861 garLoopResultBuilder]: At program point pnp_resource_validENTRY(lines 1601 1610) the Hoare annotation is: true [2021-12-14 17:48:48,391 INFO L858 garLoopResultBuilder]: For program point L1604(lines 1604 1607) no Hoare annotation was computed. [2021-12-14 17:48:48,391 INFO L858 garLoopResultBuilder]: For program point gameport_set_nameEXIT(lines 1593 1599) no Hoare annotation was computed. [2021-12-14 17:48:48,391 INFO L861 garLoopResultBuilder]: At program point gameport_set_nameENTRY(lines 1593 1599) the Hoare annotation is: true [2021-12-14 17:48:48,392 INFO L858 garLoopResultBuilder]: For program point gameport_set_nameFINAL(lines 1593 1599) no Hoare annotation was computed. [2021-12-14 17:48:48,392 INFO L861 garLoopResultBuilder]: At program point L2179(lines 2178 2180) the Hoare annotation is: true [2021-12-14 17:48:48,392 INFO L858 garLoopResultBuilder]: For program point gameport_free_portEXIT(lines 1586 1592) no Hoare annotation was computed. [2021-12-14 17:48:48,392 INFO L854 garLoopResultBuilder]: At program point gameport_free_portENTRY(lines 1586 1592) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (= |old(#valid)| |#valid|)) [2021-12-14 17:48:48,392 INFO L854 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (= |old(#valid)| |#valid|)) [2021-12-14 17:48:48,392 INFO L858 garLoopResultBuilder]: For program point gameport_free_portFINAL(lines 1586 1592) no Hoare annotation was computed. [2021-12-14 17:48:48,392 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 1529 1535) no Hoare annotation was computed. [2021-12-14 17:48:48,392 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 1529 1535) the Hoare annotation is: true [2021-12-14 17:48:48,392 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1533) no Hoare annotation was computed. [2021-12-14 17:48:48,392 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 1529 1535) no Hoare annotation was computed. [2021-12-14 17:48:48,392 INFO L858 garLoopResultBuilder]: For program point kzallocEXIT(lines 2057 2063) no Hoare annotation was computed. [2021-12-14 17:48:48,398 INFO L854 garLoopResultBuilder]: At program point L2071(line 2071) the Hoare annotation is: (not (= ~ldv_spin~0 0)) [2021-12-14 17:48:48,398 INFO L861 garLoopResultBuilder]: At program point L2071-1(lines 2066 2075) the Hoare annotation is: true [2021-12-14 17:48:48,399 INFO L861 garLoopResultBuilder]: At program point kzallocENTRY(lines 2057 2063) the Hoare annotation is: true [2021-12-14 17:48:48,399 INFO L858 garLoopResultBuilder]: For program point L2069(lines 2069 2072) no Hoare annotation was computed. [2021-12-14 17:48:48,399 INFO L858 garLoopResultBuilder]: For program point kzallocFINAL(lines 2057 2063) no Hoare annotation was computed. [2021-12-14 17:48:48,399 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 1536 1542) no Hoare annotation was computed. [2021-12-14 17:48:48,399 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 1536 1542) the Hoare annotation is: true [2021-12-14 17:48:48,399 INFO L858 garLoopResultBuilder]: For program point inbEXIT(lines 1453 1460) no Hoare annotation was computed. [2021-12-14 17:48:48,399 INFO L861 garLoopResultBuilder]: At program point inbENTRY(lines 1453 1460) the Hoare annotation is: true [2021-12-14 17:48:48,399 INFO L858 garLoopResultBuilder]: For program point inbFINAL(lines 1453 1460) no Hoare annotation was computed. [2021-12-14 17:48:48,399 INFO L861 garLoopResultBuilder]: At program point __gameport_register_portENTRY(lines 2126 2128) the Hoare annotation is: true [2021-12-14 17:48:48,399 INFO L858 garLoopResultBuilder]: For program point __gameport_register_portFINAL(lines 2126 2128) no Hoare annotation was computed. [2021-12-14 17:48:48,399 INFO L858 garLoopResultBuilder]: For program point __gameport_register_portEXIT(lines 2126 2128) no Hoare annotation was computed. [2021-12-14 17:48:48,399 INFO L858 garLoopResultBuilder]: For program point outbEXIT(lines 1446 1452) no Hoare annotation was computed. [2021-12-14 17:48:48,399 INFO L861 garLoopResultBuilder]: At program point outbENTRY(lines 1446 1452) the Hoare annotation is: true [2021-12-14 17:48:48,399 INFO L858 garLoopResultBuilder]: For program point outbFINAL(lines 1446 1452) no Hoare annotation was computed. [2021-12-14 17:48:48,400 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 1476 1478) the Hoare annotation is: true [2021-12-14 17:48:48,400 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-12-14 17:48:48,400 INFO L858 garLoopResultBuilder]: For program point L1477-2(lines 1476 1478) no Hoare annotation was computed. [2021-12-14 17:48:48,400 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 1476 1478) no Hoare annotation was computed. [2021-12-14 17:48:48,400 INFO L858 garLoopResultBuilder]: For program point gameport_allocate_portEXIT(lines 1576 1585) no Hoare annotation was computed. [2021-12-14 17:48:48,400 INFO L861 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: true [2021-12-14 17:48:48,400 INFO L861 garLoopResultBuilder]: At program point gameport_allocate_portENTRY(lines 1576 1585) the Hoare annotation is: true [2021-12-14 17:48:48,400 INFO L858 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2021-12-14 17:48:48,400 INFO L858 garLoopResultBuilder]: For program point gameport_allocate_portFINAL(lines 1576 1585) no Hoare annotation was computed. [2021-12-14 17:48:48,400 INFO L854 garLoopResultBuilder]: At program point __request_regionENTRY(lines 2135 2137) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-14 17:48:48,400 INFO L858 garLoopResultBuilder]: For program point __request_regionEXIT(lines 2135 2137) no Hoare annotation was computed. [2021-12-14 17:48:48,400 INFO L854 garLoopResultBuilder]: At program point L2136(line 2136) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-14 17:48:48,400 INFO L858 garLoopResultBuilder]: For program point __request_regionFINAL(lines 2135 2137) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point L2136-1(line 2136) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L854 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 1479 1495) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point L1486(lines 1486 1493) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 1479 1495) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L861 garLoopResultBuilder]: At program point L1491(line 1491) the Hoare annotation is: true [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 1479 1495) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point L1503(lines 1503 1510) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 1496 1512) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L854 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 1496 1512) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))) [2021-12-14 17:48:48,401 INFO L861 garLoopResultBuilder]: At program point L1508(line 1508) the Hoare annotation is: true [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 1496 1512) no Hoare annotation was computed. [2021-12-14 17:48:48,401 INFO L858 garLoopResultBuilder]: For program point L1508-1(line 1508) no Hoare annotation was computed. [2021-12-14 17:48:48,402 INFO L858 garLoopResultBuilder]: For program point L1984(lines 1984 2006) no Hoare annotation was computed. [2021-12-14 17:48:48,402 INFO L854 garLoopResultBuilder]: At program point L1918(lines 1904 1923) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,402 INFO L854 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,402 INFO L858 garLoopResultBuilder]: For program point L1885-1(line 1885) no Hoare annotation was computed. [2021-12-14 17:48:48,402 INFO L858 garLoopResultBuilder]: For program point L1786(lines 1786 1794) no Hoare annotation was computed. [2021-12-14 17:48:48,402 INFO L854 garLoopResultBuilder]: At program point L1786-2(lines 1786 1794) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,402 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1709) no Hoare annotation was computed. [2021-12-14 17:48:48,402 INFO L858 garLoopResultBuilder]: For program point L1985(line 1985) no Hoare annotation was computed. [2021-12-14 17:48:48,402 INFO L854 garLoopResultBuilder]: At program point L1440(lines 1437 1442) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,402 INFO L861 garLoopResultBuilder]: At program point L1952(lines 1925 1954) the Hoare annotation is: true [2021-12-14 17:48:48,402 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-14 17:48:48,402 INFO L854 garLoopResultBuilder]: At program point L1787(lines 1787 1788) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,402 INFO L858 garLoopResultBuilder]: For program point L1787-1(lines 1787 1788) no Hoare annotation was computed. [2021-12-14 17:48:48,403 INFO L858 garLoopResultBuilder]: For program point L1721(lines 1721 1726) no Hoare annotation was computed. [2021-12-14 17:48:48,403 INFO L854 garLoopResultBuilder]: At program point L1705(line 1705) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,403 INFO L854 garLoopResultBuilder]: At program point L1705-1(line 1705) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,403 INFO L854 garLoopResultBuilder]: At program point L2151(lines 2150 2152) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-12-14 17:48:48,406 INFO L858 garLoopResultBuilder]: For program point L1986(lines 1986 1994) no Hoare annotation was computed. [2021-12-14 17:48:48,406 INFO L854 garLoopResultBuilder]: At program point L1755(line 1755) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,406 INFO L854 garLoopResultBuilder]: At program point L1722(line 1722) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,407 INFO L858 garLoopResultBuilder]: For program point L1755-1(line 1755) no Hoare annotation was computed. [2021-12-14 17:48:48,407 INFO L854 garLoopResultBuilder]: At program point L2168(lines 2167 2169) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,407 INFO L854 garLoopResultBuilder]: At program point L1722-1(line 1722) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,407 INFO L854 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,407 INFO L858 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2021-12-14 17:48:48,407 INFO L854 garLoopResultBuilder]: At program point L1970(line 1970) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-12-14 17:48:48,407 INFO L858 garLoopResultBuilder]: For program point L1970-1(line 1970) no Hoare annotation was computed. [2021-12-14 17:48:48,408 INFO L854 garLoopResultBuilder]: At program point L1425(line 1425) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,408 INFO L858 garLoopResultBuilder]: For program point L1425-1(line 1425) no Hoare annotation was computed. [2021-12-14 17:48:48,408 INFO L854 garLoopResultBuilder]: At program point L1871(line 1871) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,408 INFO L858 garLoopResultBuilder]: For program point L1871-1(line 1871) no Hoare annotation was computed. [2021-12-14 17:48:48,408 INFO L854 garLoopResultBuilder]: At program point L1772(line 1772) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,408 INFO L858 garLoopResultBuilder]: For program point L1772-1(lines 1693 1815) no Hoare annotation was computed. [2021-12-14 17:48:48,408 INFO L858 garLoopResultBuilder]: For program point L1706(line 1706) no Hoare annotation was computed. [2021-12-14 17:48:48,409 INFO L861 garLoopResultBuilder]: At program point L2053(lines 1960 2055) the Hoare annotation is: true [2021-12-14 17:48:48,409 INFO L858 garLoopResultBuilder]: For program point L1789(lines 1789 1792) no Hoare annotation was computed. [2021-12-14 17:48:48,409 INFO L858 garLoopResultBuilder]: For program point L1723(line 1723) no Hoare annotation was computed. [2021-12-14 17:48:48,409 INFO L858 garLoopResultBuilder]: For program point L2004(line 2004) no Hoare annotation was computed. [2021-12-14 17:48:48,409 INFO L854 garLoopResultBuilder]: At program point L1426(lines 1422 1428) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,409 INFO L854 garLoopResultBuilder]: At program point L1740(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,410 INFO L858 garLoopResultBuilder]: For program point L1988(lines 1988 1992) no Hoare annotation was computed. [2021-12-14 17:48:48,410 INFO L858 garLoopResultBuilder]: For program point L1922(line 1922) no Hoare annotation was computed. [2021-12-14 17:48:48,410 INFO L858 garLoopResultBuilder]: For program point L1856(lines 1856 1860) no Hoare annotation was computed. [2021-12-14 17:48:48,410 INFO L858 garLoopResultBuilder]: For program point L1922-2(line 1922) no Hoare annotation was computed. [2021-12-14 17:48:48,410 INFO L854 garLoopResultBuilder]: At program point L1922-3(lines 1898 1924) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,410 INFO L854 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,410 INFO L858 garLoopResultBuilder]: For program point L1658-1(line 1658) no Hoare annotation was computed. [2021-12-14 17:48:48,410 INFO L861 garLoopResultBuilder]: At program point L2005(line 2005) the Hoare annotation is: true [2021-12-14 17:48:48,411 INFO L854 garLoopResultBuilder]: At program point L1972(line 1972) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-12-14 17:48:48,411 INFO L858 garLoopResultBuilder]: For program point L1972-1(line 1972) no Hoare annotation was computed. [2021-12-14 17:48:48,411 INFO L854 garLoopResultBuilder]: At program point L1873(line 1873) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,411 INFO L858 garLoopResultBuilder]: For program point L1873-1(line 1873) no Hoare annotation was computed. [2021-12-14 17:48:48,411 INFO L854 garLoopResultBuilder]: At program point L1774(line 1774) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,411 INFO L854 garLoopResultBuilder]: At program point L1890(line 1890) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,412 INFO L858 garLoopResultBuilder]: For program point L1890-1(line 1890) no Hoare annotation was computed. [2021-12-14 17:48:48,412 INFO L858 garLoopResultBuilder]: For program point L1659(lines 1659 1663) no Hoare annotation was computed. [2021-12-14 17:48:48,412 INFO L861 garLoopResultBuilder]: At program point L2171(lines 2170 2172) the Hoare annotation is: true [2021-12-14 17:48:48,412 INFO L858 garLoopResultBuilder]: For program point L2039(line 2039) no Hoare annotation was computed. [2021-12-14 17:48:48,413 INFO L861 garLoopResultBuilder]: At program point L1940(lines 1940 1941) the Hoare annotation is: true [2021-12-14 17:48:48,413 INFO L858 garLoopResultBuilder]: For program point L1940-1(lines 1940 1941) no Hoare annotation was computed. [2021-12-14 17:48:48,413 INFO L858 garLoopResultBuilder]: For program point L1907(lines 1907 1910) no Hoare annotation was computed. [2021-12-14 17:48:48,413 INFO L858 garLoopResultBuilder]: For program point L1874(lines 1874 1880) no Hoare annotation was computed. [2021-12-14 17:48:48,416 INFO L854 garLoopResultBuilder]: At program point L1742(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,416 INFO L854 garLoopResultBuilder]: At program point L2155(lines 2154 2156) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,416 INFO L858 garLoopResultBuilder]: For program point L2023(line 2023) no Hoare annotation was computed. [2021-12-14 17:48:48,416 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-14 17:48:48,417 INFO L861 garLoopResultBuilder]: At program point L2040(line 2040) the Hoare annotation is: true [2021-12-14 17:48:48,417 INFO L854 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,417 INFO L858 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2021-12-14 17:48:48,417 INFO L858 garLoopResultBuilder]: For program point L2024(lines 2024 2037) no Hoare annotation was computed. [2021-12-14 17:48:48,418 INFO L854 garLoopResultBuilder]: At program point L1892(lines 1842 1894) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,418 INFO L858 garLoopResultBuilder]: For program point L1760(line 1760) no Hoare annotation was computed. [2021-12-14 17:48:48,418 INFO L854 garLoopResultBuilder]: At program point L1727(line 1727) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,418 INFO L854 garLoopResultBuilder]: At program point L1694(lines 1694 1695) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,418 INFO L854 garLoopResultBuilder]: At program point L1727-1(line 1727) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,418 INFO L858 garLoopResultBuilder]: For program point L1694-1(lines 1694 1695) no Hoare annotation was computed. [2021-12-14 17:48:48,418 INFO L861 garLoopResultBuilder]: At program point L1942(line 1942) the Hoare annotation is: true [2021-12-14 17:48:48,419 INFO L858 garLoopResultBuilder]: For program point L1942-1(line 1942) no Hoare annotation was computed. [2021-12-14 17:48:48,419 INFO L854 garLoopResultBuilder]: At program point L1876(line 1876) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,419 INFO L854 garLoopResultBuilder]: At program point L1876-1(line 1876) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,419 INFO L854 garLoopResultBuilder]: At program point L1810(line 1810) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,419 INFO L854 garLoopResultBuilder]: At program point L1810-1(line 1810) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,419 INFO L854 garLoopResultBuilder]: At program point L1645(line 1645) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,419 INFO L858 garLoopResultBuilder]: For program point L1645-1(line 1645) no Hoare annotation was computed. [2021-12-14 17:48:48,420 INFO L854 garLoopResultBuilder]: At program point L1761(line 1761) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,420 INFO L858 garLoopResultBuilder]: For program point L1728(line 1728) no Hoare annotation was computed. [2021-12-14 17:48:48,420 INFO L858 garLoopResultBuilder]: For program point L1761-1(line 1761) no Hoare annotation was computed. [2021-12-14 17:48:48,420 INFO L854 garLoopResultBuilder]: At program point L1629(line 1629) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,420 INFO L858 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2021-12-14 17:48:48,420 INFO L854 garLoopResultBuilder]: At program point L1464(lines 1461 1466) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,420 INFO L858 garLoopResultBuilder]: For program point L1877(line 1877) no Hoare annotation was computed. [2021-12-14 17:48:48,421 INFO L854 garLoopResultBuilder]: At program point L1646(lines 1639 1648) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,421 INFO L858 garLoopResultBuilder]: For program point L2026(lines 2026 2030) no Hoare annotation was computed. [2021-12-14 17:48:48,421 INFO L858 garLoopResultBuilder]: For program point L2026-2(lines 2024 2036) no Hoare annotation was computed. [2021-12-14 17:48:48,421 INFO L858 garLoopResultBuilder]: For program point L1795(line 1795) no Hoare annotation was computed. [2021-12-14 17:48:48,421 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1765) no Hoare annotation was computed. [2021-12-14 17:48:48,421 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1699) no Hoare annotation was computed. [2021-12-14 17:48:48,421 INFO L858 garLoopResultBuilder]: For program point L1762-2(lines 1762 1765) no Hoare annotation was computed. [2021-12-14 17:48:48,422 INFO L861 garLoopResultBuilder]: At program point L2142(lines 2141 2143) the Hoare annotation is: true [2021-12-14 17:48:48,422 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-14 17:48:48,422 INFO L854 garLoopResultBuilder]: At program point L1432(lines 1429 1434) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,422 INFO L858 garLoopResultBuilder]: For program point L1812(line 1812) no Hoare annotation was computed. [2021-12-14 17:48:48,422 INFO L854 garLoopResultBuilder]: At program point L1779(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,422 INFO L858 garLoopResultBuilder]: For program point L1713(line 1713) no Hoare annotation was computed. [2021-12-14 17:48:48,422 INFO L854 garLoopResultBuilder]: At program point L1664(lines 1649 1666) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,423 INFO L854 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,423 INFO L858 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2021-12-14 17:48:48,423 INFO L858 garLoopResultBuilder]: For program point L1565(lines 1565 1568) no Hoare annotation was computed. [2021-12-14 17:48:48,423 INFO L858 garLoopResultBuilder]: For program point L2011(line 2011) no Hoare annotation was computed. [2021-12-14 17:48:48,423 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-12-14 17:48:48,423 INFO L858 garLoopResultBuilder]: For program point L1615-2(lines 1615 1618) no Hoare annotation was computed. [2021-12-14 17:48:48,423 INFO L854 garLoopResultBuilder]: At program point L1797(line 1797) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,424 INFO L858 garLoopResultBuilder]: For program point L1797-1(line 1797) no Hoare annotation was computed. [2021-12-14 17:48:48,424 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1635) no Hoare annotation was computed. [2021-12-14 17:48:48,424 INFO L858 garLoopResultBuilder]: For program point L2012(lines 2012 2044) no Hoare annotation was computed. [2021-12-14 17:48:48,424 INFO L861 garLoopResultBuilder]: At program point L1946(lines 1932 1953) the Hoare annotation is: true [2021-12-14 17:48:48,424 INFO L854 garLoopResultBuilder]: At program point L1814(lines 1675 1816) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,424 INFO L854 garLoopResultBuilder]: At program point L1781(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,424 INFO L854 garLoopResultBuilder]: At program point L1748(line 1748) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,425 INFO L858 garLoopResultBuilder]: For program point L1996(line 1996) no Hoare annotation was computed. [2021-12-14 17:48:48,425 INFO L854 garLoopResultBuilder]: At program point L1418(line 1418) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,425 INFO L858 garLoopResultBuilder]: For program point L1418-1(line 1418) no Hoare annotation was computed. [2021-12-14 17:48:48,425 INFO L858 garLoopResultBuilder]: For program point L1798(lines 1798 1805) no Hoare annotation was computed. [2021-12-14 17:48:48,425 INFO L858 garLoopResultBuilder]: For program point L1732(line 1732) no Hoare annotation was computed. [2021-12-14 17:48:48,425 INFO L858 garLoopResultBuilder]: For program point L2046(line 2046) no Hoare annotation was computed. [2021-12-14 17:48:48,425 INFO L858 garLoopResultBuilder]: For program point L1980(lines 1980 2048) no Hoare annotation was computed. [2021-12-14 17:48:48,425 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1750) no Hoare annotation was computed. [2021-12-14 17:48:48,426 INFO L854 garLoopResultBuilder]: At program point L1716(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,426 INFO L858 garLoopResultBuilder]: For program point L1997(lines 1997 2002) no Hoare annotation was computed. [2021-12-14 17:48:48,426 INFO L854 garLoopResultBuilder]: At program point L1419(lines 1415 1421) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,426 INFO L854 garLoopResultBuilder]: At program point L1865(lines 1865 1866) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,426 INFO L858 garLoopResultBuilder]: For program point L1865-1(lines 1865 1866) no Hoare annotation was computed. [2021-12-14 17:48:48,426 INFO L858 garLoopResultBuilder]: For program point L1733(lines 1733 1738) no Hoare annotation was computed. [2021-12-14 17:48:48,426 INFO L854 garLoopResultBuilder]: At program point L1700(line 1700) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,427 INFO L858 garLoopResultBuilder]: For program point L1700-1(line 1700) no Hoare annotation was computed. [2021-12-14 17:48:48,427 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-14 17:48:48,427 INFO L861 garLoopResultBuilder]: At program point L2047(line 2047) the Hoare annotation is: true [2021-12-14 17:48:48,427 INFO L858 garLoopResultBuilder]: For program point L2014(lines 2014 2041) no Hoare annotation was computed. [2021-12-14 17:48:48,427 INFO L858 garLoopResultBuilder]: For program point L1981(line 1981) no Hoare annotation was computed. [2021-12-14 17:48:48,427 INFO L861 garLoopResultBuilder]: At program point L1948(lines 1932 1953) the Hoare annotation is: true [2021-12-14 17:48:48,427 INFO L854 garLoopResultBuilder]: At program point L1800(line 1800) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,427 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,428 INFO L854 garLoopResultBuilder]: At program point L1800-1(line 1800) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,428 INFO L854 garLoopResultBuilder]: At program point L1734(line 1734) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,428 INFO L854 garLoopResultBuilder]: At program point L1701(line 1701) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,428 INFO L854 garLoopResultBuilder]: At program point L1734-1(line 1734) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,428 INFO L854 garLoopResultBuilder]: At program point L1701-1(line 1701) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,428 INFO L858 garLoopResultBuilder]: For program point L2015(line 2015) no Hoare annotation was computed. [2021-12-14 17:48:48,428 INFO L858 garLoopResultBuilder]: For program point L1982(lines 1982 2009) no Hoare annotation was computed. [2021-12-14 17:48:48,429 INFO L854 garLoopResultBuilder]: At program point L1916(lines 1904 1923) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,429 INFO L854 garLoopResultBuilder]: At program point L1784(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,429 INFO L858 garLoopResultBuilder]: For program point L1751(lines 1751 1754) no Hoare annotation was computed. [2021-12-14 17:48:48,429 INFO L854 garLoopResultBuilder]: At program point L1718(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,429 INFO L858 garLoopResultBuilder]: For program point L1867(lines 1867 1870) no Hoare annotation was computed. [2021-12-14 17:48:48,429 INFO L854 garLoopResultBuilder]: At program point L1801(line 1801) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,429 INFO L858 garLoopResultBuilder]: For program point L1735(line 1735) no Hoare annotation was computed. [2021-12-14 17:48:48,430 INFO L858 garLoopResultBuilder]: For program point L1702(line 1702) no Hoare annotation was computed. [2021-12-14 17:48:48,430 INFO L861 garLoopResultBuilder]: At program point L2148(lines 2147 2149) the Hoare annotation is: true [2021-12-14 17:48:48,430 INFO L854 garLoopResultBuilder]: At program point L1636(lines 1623 1638) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,430 INFO L854 garLoopResultBuilder]: At program point L1570(lines 1561 1572) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,430 INFO L854 garLoopResultBuilder]: At program point L2049(lines 1969 2054) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,430 INFO L858 garLoopResultBuilder]: For program point L2016(lines 2016 2021) no Hoare annotation was computed. [2021-12-14 17:48:48,430 INFO L858 garLoopResultBuilder]: For program point L1917(lines 1917 1920) no Hoare annotation was computed. [2021-12-14 17:48:48,431 INFO L854 garLoopResultBuilder]: At program point L1620(lines 1611 1622) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,431 INFO L861 garLoopResultBuilder]: At program point L2033(lines 1969 2054) the Hoare annotation is: true [2021-12-14 17:48:48,431 INFO L858 garLoopResultBuilder]: For program point L1802(line 1802) no Hoare annotation was computed. [2021-12-14 17:48:48,431 INFO L854 garLoopResultBuilder]: At program point L1769(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-14 17:48:48,434 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-14 17:48:48,435 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-14 17:48:48,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:48:48 BoogieIcfgContainer [2021-12-14 17:48:48,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 17:48:48,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 17:48:48,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 17:48:48,449 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 17:48:48,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:48:44" (3/4) ... [2021-12-14 17:48:48,452 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-14 17:48:48,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __list_add [2021-12-14 17:48:48,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2021-12-14 17:48:48,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2021-12-14 17:48:48,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_get_resource [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_allocate_port [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_resource_valid [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_set_name [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_free_port [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2021-12-14 17:48:48,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __gameport_register_port [2021-12-14 17:48:48,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2021-12-14 17:48:48,470 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-12-14 17:48:48,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-14 17:48:48,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-14 17:48:48,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-14 17:48:48,659 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 17:48:48,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 17:48:48,660 INFO L158 Benchmark]: Toolchain (without parser) took 6395.74ms. Allocated memory was 98.6MB in the beginning and 190.8MB in the end (delta: 92.3MB). Free memory was 58.7MB in the beginning and 45.6MB in the end (delta: 13.1MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. [2021-12-14 17:48:48,661 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 17:48:48,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.73ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 58.5MB in the beginning and 100.6MB in the end (delta: -42.1MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-12-14 17:48:48,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.91ms. Allocated memory is still 132.1MB. Free memory was 100.6MB in the beginning and 94.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-14 17:48:48,661 INFO L158 Benchmark]: Boogie Preprocessor took 102.09ms. Allocated memory is still 132.1MB. Free memory was 94.5MB in the beginning and 89.3MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-14 17:48:48,662 INFO L158 Benchmark]: RCFGBuilder took 892.60ms. Allocated memory is still 132.1MB. Free memory was 89.3MB in the beginning and 72.2MB in the end (delta: 17.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-12-14 17:48:48,662 INFO L158 Benchmark]: TraceAbstraction took 4335.89ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 71.4MB in the beginning and 122.2MB in the end (delta: -50.7MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2021-12-14 17:48:48,662 INFO L158 Benchmark]: Witness Printer took 211.19ms. Allocated memory is still 190.8MB. Free memory was 122.2MB in the beginning and 45.6MB in the end (delta: 76.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2021-12-14 17:48:48,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.73ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 58.5MB in the beginning and 100.6MB in the end (delta: -42.1MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.91ms. Allocated memory is still 132.1MB. Free memory was 100.6MB in the beginning and 94.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.09ms. Allocated memory is still 132.1MB. Free memory was 94.5MB in the beginning and 89.3MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 892.60ms. Allocated memory is still 132.1MB. Free memory was 89.3MB in the beginning and 72.2MB in the end (delta: 17.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4335.89ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 71.4MB in the beginning and 122.2MB in the end (delta: -50.7MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * Witness Printer took 211.19ms. Allocated memory is still 190.8MB. Free memory was 122.2MB in the beginning and 45.6MB in the end (delta: 76.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1533]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 831 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 743 mSDsluCounter, 3174 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1658 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 520 IncrementalHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 1516 mSDtfsCounter, 520 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 267 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 111 LocationsWithAnnotation, 496 PreInvPairs, 663 NumberOfFragments, 355 HoareAnnotationTreeSize, 496 FomulaSimplifications, 728 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 111 FomulaSimplificationsInter, 879 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 554 NumberOfCodeBlocks, 554 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 548 ConstructedInterpolants, 0 QuantifiedInterpolants, 982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2224 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 249/254 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2150]: Loop Invariant Derived loop invariant: ldv_spin == 0 && ldv_state_variable_1 == 0 - InvariantResult [Line: 1623]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1422]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1904]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2154]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2167]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1904]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1415]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1461]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1437]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1536]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1960]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1969]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1429]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1675]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1649]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2066]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1639]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1842]: Loop Invariant Derived loop invariant: ldv_spin == 0 RESULT: Ultimate proved your program to be correct! [2021-12-14 17:48:48,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE