./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-17 01:18:32,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:18:32,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:18:33,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:18:33,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:18:33,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:18:33,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:18:33,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:18:33,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:18:33,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:18:33,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:18:33,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:18:33,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:18:33,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:18:33,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:18:33,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:18:33,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:18:33,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:18:33,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:18:33,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:18:33,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:18:33,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:18:33,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:18:33,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:18:33,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:18:33,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:18:33,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:18:33,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:18:33,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:18:33,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:18:33,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:18:33,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:18:33,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:18:33,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:18:33,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:18:33,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:18:33,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:18:33,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:18:33,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:18:33,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:18:33,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:18:33,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 01:18:33,103 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:18:33,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:18:33,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:18:33,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:18:33,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:18:33,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:18:33,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:18:33,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:18:33,105 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:18:33,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:18:33,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 01:18:33,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:18:33,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:18:33,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:18:33,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:18:33,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:18:33,107 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:18:33,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:18:33,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:18:33,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:18:33,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:18:33,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:18:33,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:18:33,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:18:33,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:18:33,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 01:18:33,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 01:18:33,110 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:18:33,111 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:18:33,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:18:33,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:18:33,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 [2021-11-17 01:18:33,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:18:33,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:18:33,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:18:33,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:18:33,386 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:18:33,388 INFO L432 ainManager$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 [2021-11-17 01:18:33,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c9e7203/70b8aab4d5534e349ccd276d57a901a2/FLAG44cf38638 [2021-11-17 01:18:33,864 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:18:33,864 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 [2021-11-17 01:18:33,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c9e7203/70b8aab4d5534e349ccd276d57a901a2/FLAG44cf38638 [2021-11-17 01:18:33,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c9e7203/70b8aab4d5534e349ccd276d57a901a2 [2021-11-17 01:18:33,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:18:33,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:18:33,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:18:33,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:18:33,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:18:33,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:18:33" (1/1) ... [2021-11-17 01:18:33,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7949b83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:33, skipping insertion in model container [2021-11-17 01:18:33,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:18:33" (1/1) ... [2021-11-17 01:18:33,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:18:33,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:18:34,194 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2021-11-17 01:18:34,194 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2021-11-17 01:18:34,246 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] [2021-11-17 01:18:34,355 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:18:34,387 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:18:34,423 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2021-11-17 01:18:34,424 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2021-11-17 01:18:34,433 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] [2021-11-17 01:18:34,472 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:18:34,509 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:18:34,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34 WrapperNode [2021-11-17 01:18:34,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:18:34,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:18:34,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:18:34,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:18:34,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,587 INFO L137 Inliner]: procedures = 78, calls = 397, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 840 [2021-11-17 01:18:34,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:18:34,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:18:34,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:18:34,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:18:34,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:18:34,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:18:34,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:18:34,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:18:34,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (1/1) ... [2021-11-17 01:18:34,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:18:34,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:18:34,756 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) [2021-11-17 01:18:34,796 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 [2021-11-17 01:18:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-17 01:18:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-17 01:18:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:18:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-11-17 01:18:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-11-17 01:18:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:18:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 01:18:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 01:18:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:18:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-11-17 01:18:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-11-17 01:18:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2021-11-17 01:18:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2021-11-17 01:18:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:18:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:18:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 01:18:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2021-11-17 01:18:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2021-11-17 01:18:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:18:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2021-11-17 01:18:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2021-11-17 01:18:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:18:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:18:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:18:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:18:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-17 01:18:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-17 01:18:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 01:18:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 01:18:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 01:18:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2021-11-17 01:18:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2021-11-17 01:18:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:18:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:18:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 01:18:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 01:18:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-17 01:18:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-17 01:18:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-17 01:18:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-17 01:18:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:18:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:18:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 01:18:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-17 01:18:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-17 01:18:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:18:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:18:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:18:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:18:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:18:34,961 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:18:34,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:18:35,099 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:18:35,506 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:18:35,515 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:18:35,516 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 01:18:35,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:18:35 BoogieIcfgContainer [2021-11-17 01:18:35,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:18:35,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:18:35,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:18:35,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:18:35,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:18:33" (1/3) ... [2021-11-17 01:18:35,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f73b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:18:35, skipping insertion in model container [2021-11-17 01:18:35,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:34" (2/3) ... [2021-11-17 01:18:35,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f73b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:18:35, skipping insertion in model container [2021-11-17 01:18:35,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:18:35" (3/3) ... [2021-11-17 01:18:35,525 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 [2021-11-17 01:18:35,530 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:18:35,530 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:18:35,571 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:18:35,578 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 [2021-11-17 01:18:35,578 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:18:35,595 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) [2021-11-17 01:18:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-17 01:18:35,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:18:35,602 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] [2021-11-17 01:18:35,603 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:18:35,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:18:35,606 INFO L85 PathProgramCache]: Analyzing trace with hash 743698219, now seen corresponding path program 1 times [2021-11-17 01:18:35,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:18:35,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407769179] [2021-11-17 01:18:35,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:18:35,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:18:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:18:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:18:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:18:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:18:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:18:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 01:18:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:18:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 01:18:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-17 01:18:35,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:18:35,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407769179] [2021-11-17 01:18:35,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407769179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:18:35,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:18:35,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 01:18:35,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885101332] [2021-11-17 01:18:35,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:18:35,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:18:36,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:18:36,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:18:36,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:18:36,027 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) [2021-11-17 01:18:36,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:18:36,495 INFO L93 Difference]: Finished difference Result 595 states and 852 transitions. [2021-11-17 01:18:36,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:18:36,498 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 [2021-11-17 01:18:36,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:18:36,510 INFO L225 Difference]: With dead ends: 595 [2021-11-17 01:18:36,511 INFO L226 Difference]: Without dead ends: 320 [2021-11-17 01:18:36,517 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 [2021-11-17 01:18:36,522 INFO L933 BasicCegarLoop]: 469 mSDtfsCounter, 153 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 01:18:36,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 1301 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 01:18:36,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-11-17 01:18:36,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 225. [2021-11-17 01:18:36,567 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) [2021-11-17 01:18:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 301 transitions. [2021-11-17 01:18:36,570 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 301 transitions. Word has length 74 [2021-11-17 01:18:36,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:18:36,571 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 301 transitions. [2021-11-17 01:18:36,571 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) [2021-11-17 01:18:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 301 transitions. [2021-11-17 01:18:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-17 01:18:36,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:18:36,574 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] [2021-11-17 01:18:36,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 01:18:36,575 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:18:36,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:18:36,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1405383361, now seen corresponding path program 1 times [2021-11-17 01:18:36,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:18:36,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570690592] [2021-11-17 01:18:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:18:36,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:18:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:18:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:18:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:18:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:18:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:18:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:18:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:18:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 01:18:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 01:18:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-17 01:18:36,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:18:36,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570690592] [2021-11-17 01:18:36,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570690592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:18:36,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:18:36,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 01:18:36,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774918702] [2021-11-17 01:18:36,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:18:36,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:18:36,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:18:36,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:18:36,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:18:36,717 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) [2021-11-17 01:18:37,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:18:37,103 INFO L93 Difference]: Finished difference Result 601 states and 805 transitions. [2021-11-17 01:18:37,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:18:37,103 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 [2021-11-17 01:18:37,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:18:37,106 INFO L225 Difference]: With dead ends: 601 [2021-11-17 01:18:37,106 INFO L226 Difference]: Without dead ends: 390 [2021-11-17 01:18:37,107 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 [2021-11-17 01:18:37,108 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 252 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 01:18:37,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 854 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 01:18:37,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-11-17 01:18:37,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 372. [2021-11-17 01:18:37,130 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) [2021-11-17 01:18:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 494 transitions. [2021-11-17 01:18:37,132 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 494 transitions. Word has length 94 [2021-11-17 01:18:37,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:18:37,132 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 494 transitions. [2021-11-17 01:18:37,133 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) [2021-11-17 01:18:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 494 transitions. [2021-11-17 01:18:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-17 01:18:37,135 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:18:37,135 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] [2021-11-17 01:18:37,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 01:18:37,135 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:18:37,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:18:37,136 INFO L85 PathProgramCache]: Analyzing trace with hash 235506925, now seen corresponding path program 1 times [2021-11-17 01:18:37,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:18:37,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043789216] [2021-11-17 01:18:37,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:18:37,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:18:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:18:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:18:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:18:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:18:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:18:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 01:18:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:18:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:18:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 01:18:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 01:18:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-17 01:18:37,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:18:37,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043789216] [2021-11-17 01:18:37,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043789216] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:18:37,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643251159] [2021-11-17 01:18:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:18:37,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:18:37,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:18:37,232 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) [2021-11-17 01:18:37,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 01:18:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:37,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:18:37,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:18:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-17 01:18:37,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:18:37,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643251159] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:18:37,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:18:37,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2021-11-17 01:18:37,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078300815] [2021-11-17 01:18:37,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:18:37,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:18:37,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:18:37,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:18:37,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:18:37,622 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) [2021-11-17 01:18:37,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:18:37,670 INFO L93 Difference]: Finished difference Result 922 states and 1269 transitions. [2021-11-17 01:18:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:18:37,670 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 [2021-11-17 01:18:37,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:18:37,677 INFO L225 Difference]: With dead ends: 922 [2021-11-17 01:18:37,677 INFO L226 Difference]: Without dead ends: 564 [2021-11-17 01:18:37,678 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 [2021-11-17 01:18:37,683 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 [2021-11-17 01:18:37,684 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] [2021-11-17 01:18:37,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2021-11-17 01:18:37,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 410. [2021-11-17 01:18:37,717 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) [2021-11-17 01:18:37,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 554 transitions. [2021-11-17 01:18:37,719 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 554 transitions. Word has length 87 [2021-11-17 01:18:37,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:18:37,720 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 554 transitions. [2021-11-17 01:18:37,720 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) [2021-11-17 01:18:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 554 transitions. [2021-11-17 01:18:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 01:18:37,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:18:37,722 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] [2021-11-17 01:18:37,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 01:18:37,942 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 [2021-11-17 01:18:37,942 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:18:37,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:18:37,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1328000649, now seen corresponding path program 1 times [2021-11-17 01:18:37,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:18:37,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956717648] [2021-11-17 01:18:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:18:37,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:18:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:18:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:18:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:18:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 01:18:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:18:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:18:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 01:18:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 01:18:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 01:18:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:18:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-17 01:18:38,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:18:38,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956717648] [2021-11-17 01:18:38,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956717648] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:18:38,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283430386] [2021-11-17 01:18:38,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:18:38,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:18:38,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:18:38,070 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) [2021-11-17 01:18:38,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 01:18:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:18:38,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:18:38,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:18:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-17 01:18:38,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:18:38,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283430386] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:18:38,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:18:38,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2021-11-17 01:18:38,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036507370] [2021-11-17 01:18:38,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:18:38,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:18:38,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:18:38,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:18:38,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:18:38,477 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) [2021-11-17 01:18:38,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:18:38,487 INFO L93 Difference]: Finished difference Result 410 states and 554 transitions. [2021-11-17 01:18:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:18:38,488 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 [2021-11-17 01:18:38,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:18:38,488 INFO L225 Difference]: With dead ends: 410 [2021-11-17 01:18:38,488 INFO L226 Difference]: Without dead ends: 0 [2021-11-17 01:18:38,489 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 [2021-11-17 01:18:38,490 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 [2021-11-17 01:18:38,490 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] [2021-11-17 01:18:38,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-17 01:18:38,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-17 01:18:38,491 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) [2021-11-17 01:18:38,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-17 01:18:38,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2021-11-17 01:18:38,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:18:38,491 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-17 01:18:38,492 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) [2021-11-17 01:18:38,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-17 01:18:38,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-17 01:18:38,494 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-17 01:18:38,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 01:18:38,714 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 [2021-11-17 01:18:38,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-17 01:18:39,024 INFO L861 garLoopResultBuilder]: At program point __list_addENTRY(lines 2129 2131) the Hoare annotation is: true [2021-11-17 01:18:39,024 INFO L858 garLoopResultBuilder]: For program point __list_addFINAL(lines 2129 2131) no Hoare annotation was computed. [2021-11-17 01:18:39,024 INFO L858 garLoopResultBuilder]: For program point __list_addEXIT(lines 2129 2131) no Hoare annotation was computed. [2021-11-17 01:18:39,024 INFO L861 garLoopResultBuilder]: At program point __release_regionENTRY(lines 2132 2134) the Hoare annotation is: true [2021-11-17 01:18:39,024 INFO L858 garLoopResultBuilder]: For program point __release_regionFINAL(lines 2132 2134) no Hoare annotation was computed. [2021-11-17 01:18:39,024 INFO L858 garLoopResultBuilder]: For program point __release_regionEXIT(lines 2132 2134) no Hoare annotation was computed. [2021-11-17 01:18:39,024 INFO L858 garLoopResultBuilder]: For program point kfreeEXIT(lines 2182 2184) no Hoare annotation was computed. [2021-11-17 01:18:39,024 INFO L854 garLoopResultBuilder]: At program point kfreeENTRY(lines 2182 2184) the Hoare annotation is: (= |old(#valid)| |#valid|) [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point kfreeFINAL(lines 2182 2184) no Hoare annotation was computed. [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point pnp_get_resourceEXIT(lines 2163 2165) no Hoare annotation was computed. [2021-11-17 01:18:39,025 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|))) [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point pnp_get_resourceFINAL(lines 2163 2165) no Hoare annotation was computed. [2021-11-17 01:18:39,025 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|))) [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point L2164-1(line 2164) no Hoare annotation was computed. [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point msleepEXIT(lines 2160 2162) no Hoare annotation was computed. [2021-11-17 01:18:39,025 INFO L861 garLoopResultBuilder]: At program point msleepENTRY(lines 2160 2162) the Hoare annotation is: true [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point msleepFINAL(lines 2160 2162) no Hoare annotation was computed. [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point pnp_resource_validFINAL(lines 1601 1610) no Hoare annotation was computed. [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point pnp_resource_validEXIT(lines 1601 1610) no Hoare annotation was computed. [2021-11-17 01:18:39,025 INFO L861 garLoopResultBuilder]: At program point pnp_resource_validENTRY(lines 1601 1610) the Hoare annotation is: true [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point L1604(lines 1604 1607) no Hoare annotation was computed. [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point gameport_set_nameEXIT(lines 1593 1599) no Hoare annotation was computed. [2021-11-17 01:18:39,025 INFO L861 garLoopResultBuilder]: At program point gameport_set_nameENTRY(lines 1593 1599) the Hoare annotation is: true [2021-11-17 01:18:39,025 INFO L858 garLoopResultBuilder]: For program point gameport_set_nameFINAL(lines 1593 1599) no Hoare annotation was computed. [2021-11-17 01:18:39,026 INFO L861 garLoopResultBuilder]: At program point L2179(lines 2178 2180) the Hoare annotation is: true [2021-11-17 01:18:39,026 INFO L858 garLoopResultBuilder]: For program point gameport_free_portEXIT(lines 1586 1592) no Hoare annotation was computed. [2021-11-17 01:18:39,026 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|)) [2021-11-17 01:18:39,026 INFO L854 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (= |old(#valid)| |#valid|)) [2021-11-17 01:18:39,026 INFO L858 garLoopResultBuilder]: For program point gameport_free_portFINAL(lines 1586 1592) no Hoare annotation was computed. [2021-11-17 01:18:39,026 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 1529 1535) no Hoare annotation was computed. [2021-11-17 01:18:39,026 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 1529 1535) the Hoare annotation is: true [2021-11-17 01:18:39,026 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1533) no Hoare annotation was computed. [2021-11-17 01:18:39,026 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 1529 1535) no Hoare annotation was computed. [2021-11-17 01:18:39,026 INFO L858 garLoopResultBuilder]: For program point kzallocEXIT(lines 2057 2063) no Hoare annotation was computed. [2021-11-17 01:18:39,026 INFO L854 garLoopResultBuilder]: At program point L2071(line 2071) the Hoare annotation is: (not (= ~ldv_spin~0 0)) [2021-11-17 01:18:39,026 INFO L861 garLoopResultBuilder]: At program point L2071-1(lines 2066 2075) the Hoare annotation is: true [2021-11-17 01:18:39,026 INFO L861 garLoopResultBuilder]: At program point kzallocENTRY(lines 2057 2063) the Hoare annotation is: true [2021-11-17 01:18:39,026 INFO L858 garLoopResultBuilder]: For program point L2069(lines 2069 2072) no Hoare annotation was computed. [2021-11-17 01:18:39,026 INFO L858 garLoopResultBuilder]: For program point kzallocFINAL(lines 2057 2063) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 1536 1542) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 1536 1542) the Hoare annotation is: true [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point inbEXIT(lines 1453 1460) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L861 garLoopResultBuilder]: At program point inbENTRY(lines 1453 1460) the Hoare annotation is: true [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point inbFINAL(lines 1453 1460) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L861 garLoopResultBuilder]: At program point __gameport_register_portENTRY(lines 2126 2128) the Hoare annotation is: true [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point __gameport_register_portFINAL(lines 2126 2128) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point __gameport_register_portEXIT(lines 2126 2128) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point outbEXIT(lines 1446 1452) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L861 garLoopResultBuilder]: At program point outbENTRY(lines 1446 1452) the Hoare annotation is: true [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point outbFINAL(lines 1446 1452) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 1476 1478) the Hoare annotation is: true [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point L1477-2(lines 1476 1478) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 1476 1478) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L858 garLoopResultBuilder]: For program point gameport_allocate_portEXIT(lines 1576 1585) no Hoare annotation was computed. [2021-11-17 01:18:39,027 INFO L861 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: true [2021-11-17 01:18:39,028 INFO L861 garLoopResultBuilder]: At program point gameport_allocate_portENTRY(lines 1576 1585) the Hoare annotation is: true [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point gameport_allocate_portFINAL(lines 1576 1585) no Hoare annotation was computed. [2021-11-17 01:18:39,028 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|))) [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point __request_regionEXIT(lines 2135 2137) no Hoare annotation was computed. [2021-11-17 01:18:39,028 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|))) [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point __request_regionFINAL(lines 2135 2137) no Hoare annotation was computed. [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point L2136-1(line 2136) no Hoare annotation was computed. [2021-11-17 01:18:39,028 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|))) [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point L1486(lines 1486 1493) no Hoare annotation was computed. [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 1479 1495) no Hoare annotation was computed. [2021-11-17 01:18:39,028 INFO L861 garLoopResultBuilder]: At program point L1491(line 1491) the Hoare annotation is: true [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 1479 1495) no Hoare annotation was computed. [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point L1503(lines 1503 1510) no Hoare annotation was computed. [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-17 01:18:39,028 INFO L858 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 1496 1512) no Hoare annotation was computed. [2021-11-17 01:18:39,029 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|))) [2021-11-17 01:18:39,029 INFO L861 garLoopResultBuilder]: At program point L1508(line 1508) the Hoare annotation is: true [2021-11-17 01:18:39,029 INFO L858 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 1496 1512) no Hoare annotation was computed. [2021-11-17 01:18:39,029 INFO L858 garLoopResultBuilder]: For program point L1508-1(line 1508) no Hoare annotation was computed. [2021-11-17 01:18:39,029 INFO L858 garLoopResultBuilder]: For program point L1984(lines 1984 2006) no Hoare annotation was computed. [2021-11-17 01:18:39,029 INFO L854 garLoopResultBuilder]: At program point L1918(lines 1904 1923) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,029 INFO L854 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,029 INFO L858 garLoopResultBuilder]: For program point L1885-1(line 1885) no Hoare annotation was computed. [2021-11-17 01:18:39,029 INFO L858 garLoopResultBuilder]: For program point L1786(lines 1786 1794) no Hoare annotation was computed. [2021-11-17 01:18:39,029 INFO L854 garLoopResultBuilder]: At program point L1786-2(lines 1786 1794) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,029 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1709) no Hoare annotation was computed. [2021-11-17 01:18:39,029 INFO L858 garLoopResultBuilder]: For program point L1985(line 1985) no Hoare annotation was computed. [2021-11-17 01:18:39,029 INFO L854 garLoopResultBuilder]: At program point L1440(lines 1437 1442) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,029 INFO L861 garLoopResultBuilder]: At program point L1952(lines 1925 1954) the Hoare annotation is: true [2021-11-17 01:18:39,029 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-17 01:18:39,029 INFO L854 garLoopResultBuilder]: At program point L1787(lines 1787 1788) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,030 INFO L858 garLoopResultBuilder]: For program point L1787-1(lines 1787 1788) no Hoare annotation was computed. [2021-11-17 01:18:39,030 INFO L858 garLoopResultBuilder]: For program point L1721(lines 1721 1726) no Hoare annotation was computed. [2021-11-17 01:18:39,030 INFO L854 garLoopResultBuilder]: At program point L1705(line 1705) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,030 INFO L854 garLoopResultBuilder]: At program point L1705-1(line 1705) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,030 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)) [2021-11-17 01:18:39,030 INFO L858 garLoopResultBuilder]: For program point L1986(lines 1986 1994) no Hoare annotation was computed. [2021-11-17 01:18:39,030 INFO L854 garLoopResultBuilder]: At program point L1755(line 1755) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,030 INFO L854 garLoopResultBuilder]: At program point L1722(line 1722) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,030 INFO L858 garLoopResultBuilder]: For program point L1755-1(line 1755) no Hoare annotation was computed. [2021-11-17 01:18:39,030 INFO L854 garLoopResultBuilder]: At program point L2168(lines 2167 2169) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,030 INFO L854 garLoopResultBuilder]: At program point L1722-1(line 1722) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,030 INFO L854 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,030 INFO L858 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2021-11-17 01:18:39,030 INFO L854 garLoopResultBuilder]: At program point L1970(line 1970) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-11-17 01:18:39,030 INFO L858 garLoopResultBuilder]: For program point L1970-1(line 1970) no Hoare annotation was computed. [2021-11-17 01:18:39,030 INFO L854 garLoopResultBuilder]: At program point L1425(line 1425) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,030 INFO L858 garLoopResultBuilder]: For program point L1425-1(line 1425) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L854 garLoopResultBuilder]: At program point L1871(line 1871) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L1871-1(line 1871) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L854 garLoopResultBuilder]: At program point L1772(line 1772) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L1772-1(lines 1693 1815) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L1706(line 1706) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L861 garLoopResultBuilder]: At program point L2053(lines 1960 2055) the Hoare annotation is: true [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L1789(lines 1789 1792) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L1723(line 1723) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L2004(line 2004) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L854 garLoopResultBuilder]: At program point L1426(lines 1422 1428) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,031 INFO L854 garLoopResultBuilder]: At program point L1740(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L1988(lines 1988 1992) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L1922(line 1922) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L1856(lines 1856 1860) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L858 garLoopResultBuilder]: For program point L1922-2(line 1922) no Hoare annotation was computed. [2021-11-17 01:18:39,031 INFO L854 garLoopResultBuilder]: At program point L1922-3(lines 1898 1924) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,031 INFO L854 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,032 INFO L858 garLoopResultBuilder]: For program point L1658-1(line 1658) no Hoare annotation was computed. [2021-11-17 01:18:39,032 INFO L861 garLoopResultBuilder]: At program point L2005(line 2005) the Hoare annotation is: true [2021-11-17 01:18:39,032 INFO L854 garLoopResultBuilder]: At program point L1972(line 1972) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-11-17 01:18:39,032 INFO L858 garLoopResultBuilder]: For program point L1972-1(line 1972) no Hoare annotation was computed. [2021-11-17 01:18:39,032 INFO L854 garLoopResultBuilder]: At program point L1873(line 1873) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,032 INFO L858 garLoopResultBuilder]: For program point L1873-1(line 1873) no Hoare annotation was computed. [2021-11-17 01:18:39,032 INFO L854 garLoopResultBuilder]: At program point L1774(line 1774) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,032 INFO L854 garLoopResultBuilder]: At program point L1890(line 1890) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,032 INFO L858 garLoopResultBuilder]: For program point L1890-1(line 1890) no Hoare annotation was computed. [2021-11-17 01:18:39,032 INFO L858 garLoopResultBuilder]: For program point L1659(lines 1659 1663) no Hoare annotation was computed. [2021-11-17 01:18:39,032 INFO L861 garLoopResultBuilder]: At program point L2171(lines 2170 2172) the Hoare annotation is: true [2021-11-17 01:18:39,032 INFO L858 garLoopResultBuilder]: For program point L2039(line 2039) no Hoare annotation was computed. [2021-11-17 01:18:39,032 INFO L861 garLoopResultBuilder]: At program point L1940(lines 1940 1941) the Hoare annotation is: true [2021-11-17 01:18:39,032 INFO L858 garLoopResultBuilder]: For program point L1940-1(lines 1940 1941) no Hoare annotation was computed. [2021-11-17 01:18:39,032 INFO L858 garLoopResultBuilder]: For program point L1907(lines 1907 1910) no Hoare annotation was computed. [2021-11-17 01:18:39,032 INFO L858 garLoopResultBuilder]: For program point L1874(lines 1874 1880) no Hoare annotation was computed. [2021-11-17 01:18:39,032 INFO L854 garLoopResultBuilder]: At program point L1742(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,033 INFO L854 garLoopResultBuilder]: At program point L2155(lines 2154 2156) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,033 INFO L858 garLoopResultBuilder]: For program point L2023(line 2023) no Hoare annotation was computed. [2021-11-17 01:18:39,033 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-17 01:18:39,033 INFO L861 garLoopResultBuilder]: At program point L2040(line 2040) the Hoare annotation is: true [2021-11-17 01:18:39,033 INFO L854 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,033 INFO L858 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2021-11-17 01:18:39,033 INFO L858 garLoopResultBuilder]: For program point L2024(lines 2024 2037) no Hoare annotation was computed. [2021-11-17 01:18:39,033 INFO L854 garLoopResultBuilder]: At program point L1892(lines 1842 1894) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,033 INFO L858 garLoopResultBuilder]: For program point L1760(line 1760) no Hoare annotation was computed. [2021-11-17 01:18:39,033 INFO L854 garLoopResultBuilder]: At program point L1727(line 1727) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,033 INFO L854 garLoopResultBuilder]: At program point L1694(lines 1694 1695) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,033 INFO L854 garLoopResultBuilder]: At program point L1727-1(line 1727) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,033 INFO L858 garLoopResultBuilder]: For program point L1694-1(lines 1694 1695) no Hoare annotation was computed. [2021-11-17 01:18:39,033 INFO L861 garLoopResultBuilder]: At program point L1942(line 1942) the Hoare annotation is: true [2021-11-17 01:18:39,033 INFO L858 garLoopResultBuilder]: For program point L1942-1(line 1942) no Hoare annotation was computed. [2021-11-17 01:18:39,033 INFO L854 garLoopResultBuilder]: At program point L1876(line 1876) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,033 INFO L854 garLoopResultBuilder]: At program point L1876-1(line 1876) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,034 INFO L854 garLoopResultBuilder]: At program point L1810(line 1810) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,034 INFO L854 garLoopResultBuilder]: At program point L1810-1(line 1810) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,034 INFO L854 garLoopResultBuilder]: At program point L1645(line 1645) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L1645-1(line 1645) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L854 garLoopResultBuilder]: At program point L1761(line 1761) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L1728(line 1728) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L1761-1(line 1761) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L854 garLoopResultBuilder]: At program point L1629(line 1629) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L854 garLoopResultBuilder]: At program point L1464(lines 1461 1466) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L1877(line 1877) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L854 garLoopResultBuilder]: At program point L1646(lines 1639 1648) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L2026(lines 2026 2030) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L2026-2(lines 2024 2036) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L1795(line 1795) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1765) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1699) no Hoare annotation was computed. [2021-11-17 01:18:39,034 INFO L858 garLoopResultBuilder]: For program point L1762-2(lines 1762 1765) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L861 garLoopResultBuilder]: At program point L2142(lines 2141 2143) the Hoare annotation is: true [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L854 garLoopResultBuilder]: At program point L1432(lines 1429 1434) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point L1812(line 1812) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L854 garLoopResultBuilder]: At program point L1779(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point L1713(line 1713) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L854 garLoopResultBuilder]: At program point L1664(lines 1649 1666) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,035 INFO L854 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point L1565(lines 1565 1568) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point L2011(line 2011) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point L1615-2(lines 1615 1618) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L854 garLoopResultBuilder]: At program point L1797(line 1797) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point L1797-1(line 1797) no Hoare annotation was computed. [2021-11-17 01:18:39,035 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1635) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L858 garLoopResultBuilder]: For program point L2012(lines 2012 2044) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L861 garLoopResultBuilder]: At program point L1946(lines 1932 1953) the Hoare annotation is: true [2021-11-17 01:18:39,036 INFO L854 garLoopResultBuilder]: At program point L1814(lines 1675 1816) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,036 INFO L854 garLoopResultBuilder]: At program point L1781(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,036 INFO L854 garLoopResultBuilder]: At program point L1748(line 1748) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,036 INFO L858 garLoopResultBuilder]: For program point L1996(line 1996) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L854 garLoopResultBuilder]: At program point L1418(line 1418) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,036 INFO L858 garLoopResultBuilder]: For program point L1418-1(line 1418) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L858 garLoopResultBuilder]: For program point L1798(lines 1798 1805) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L858 garLoopResultBuilder]: For program point L1732(line 1732) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L858 garLoopResultBuilder]: For program point L2046(line 2046) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L858 garLoopResultBuilder]: For program point L1980(lines 1980 2048) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1750) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L854 garLoopResultBuilder]: At program point L1716(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,036 INFO L858 garLoopResultBuilder]: For program point L1997(lines 1997 2002) no Hoare annotation was computed. [2021-11-17 01:18:39,036 INFO L854 garLoopResultBuilder]: At program point L1419(lines 1415 1421) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,036 INFO L854 garLoopResultBuilder]: At program point L1865(lines 1865 1866) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,037 INFO L858 garLoopResultBuilder]: For program point L1865-1(lines 1865 1866) no Hoare annotation was computed. [2021-11-17 01:18:39,037 INFO L858 garLoopResultBuilder]: For program point L1733(lines 1733 1738) no Hoare annotation was computed. [2021-11-17 01:18:39,037 INFO L854 garLoopResultBuilder]: At program point L1700(line 1700) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,037 INFO L858 garLoopResultBuilder]: For program point L1700-1(line 1700) no Hoare annotation was computed. [2021-11-17 01:18:39,037 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-17 01:18:39,037 INFO L861 garLoopResultBuilder]: At program point L2047(line 2047) the Hoare annotation is: true [2021-11-17 01:18:39,037 INFO L858 garLoopResultBuilder]: For program point L2014(lines 2014 2041) no Hoare annotation was computed. [2021-11-17 01:18:39,037 INFO L858 garLoopResultBuilder]: For program point L1981(line 1981) no Hoare annotation was computed. [2021-11-17 01:18:39,037 INFO L861 garLoopResultBuilder]: At program point L1948(lines 1932 1953) the Hoare annotation is: true [2021-11-17 01:18:39,037 INFO L854 garLoopResultBuilder]: At program point L1800(line 1800) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,037 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,037 INFO L854 garLoopResultBuilder]: At program point L1800-1(line 1800) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,037 INFO L854 garLoopResultBuilder]: At program point L1734(line 1734) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,037 INFO L854 garLoopResultBuilder]: At program point L1701(line 1701) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,037 INFO L854 garLoopResultBuilder]: At program point L1734-1(line 1734) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,037 INFO L854 garLoopResultBuilder]: At program point L1701-1(line 1701) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,037 INFO L858 garLoopResultBuilder]: For program point L2015(line 2015) no Hoare annotation was computed. [2021-11-17 01:18:39,037 INFO L858 garLoopResultBuilder]: For program point L1982(lines 1982 2009) no Hoare annotation was computed. [2021-11-17 01:18:39,038 INFO L854 garLoopResultBuilder]: At program point L1916(lines 1904 1923) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,038 INFO L854 garLoopResultBuilder]: At program point L1784(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,038 INFO L858 garLoopResultBuilder]: For program point L1751(lines 1751 1754) no Hoare annotation was computed. [2021-11-17 01:18:39,038 INFO L854 garLoopResultBuilder]: At program point L1718(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,038 INFO L858 garLoopResultBuilder]: For program point L1867(lines 1867 1870) no Hoare annotation was computed. [2021-11-17 01:18:39,038 INFO L854 garLoopResultBuilder]: At program point L1801(line 1801) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,038 INFO L858 garLoopResultBuilder]: For program point L1735(line 1735) no Hoare annotation was computed. [2021-11-17 01:18:39,038 INFO L858 garLoopResultBuilder]: For program point L1702(line 1702) no Hoare annotation was computed. [2021-11-17 01:18:39,038 INFO L861 garLoopResultBuilder]: At program point L2148(lines 2147 2149) the Hoare annotation is: true [2021-11-17 01:18:39,038 INFO L854 garLoopResultBuilder]: At program point L1636(lines 1623 1638) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,038 INFO L854 garLoopResultBuilder]: At program point L1570(lines 1561 1572) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,038 INFO L854 garLoopResultBuilder]: At program point L2049(lines 1969 2054) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,038 INFO L858 garLoopResultBuilder]: For program point L2016(lines 2016 2021) no Hoare annotation was computed. [2021-11-17 01:18:39,038 INFO L858 garLoopResultBuilder]: For program point L1917(lines 1917 1920) no Hoare annotation was computed. [2021-11-17 01:18:39,038 INFO L854 garLoopResultBuilder]: At program point L1620(lines 1611 1622) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,038 INFO L861 garLoopResultBuilder]: At program point L2033(lines 1969 2054) the Hoare annotation is: true [2021-11-17 01:18:39,038 INFO L858 garLoopResultBuilder]: For program point L1802(line 1802) no Hoare annotation was computed. [2021-11-17 01:18:39,039 INFO L854 garLoopResultBuilder]: At program point L1769(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-17 01:18:39,041 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-17 01:18:39,041 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-17 01:18:39,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 01:18:39 BoogieIcfgContainer [2021-11-17 01:18:39,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-17 01:18:39,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-17 01:18:39,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-17 01:18:39,065 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-17 01:18:39,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:18:35" (3/4) ... [2021-11-17 01:18:39,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-17 01:18:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __list_add [2021-11-17 01:18:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2021-11-17 01:18:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2021-11-17 01:18:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2021-11-17 01:18:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_get_resource [2021-11-17 01:18:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-17 01:18:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_allocate_port [2021-11-17 01:18:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2021-11-17 01:18:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_resource_valid [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_set_name [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_free_port [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2021-11-17 01:18:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __gameport_register_port [2021-11-17 01:18:39,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2021-11-17 01:18:39,097 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-17 01:18:39,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-17 01:18:39,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-17 01:18:39,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-17 01:18:39,237 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-17 01:18:39,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-17 01:18:39,237 INFO L158 Benchmark]: Toolchain (without parser) took 5350.08ms. Allocated memory was 86.0MB in the beginning and 211.8MB in the end (delta: 125.8MB). Free memory was 51.0MB in the beginning and 161.4MB in the end (delta: -110.5MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2021-11-17 01:18:39,237 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 58.2MB in the beginning and 58.2MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 01:18:39,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.61ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 50.7MB in the beginning and 47.6MB in the end (delta: 3.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-17 01:18:39,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.84ms. Allocated memory is still 104.9MB. Free memory was 47.6MB in the beginning and 41.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-17 01:18:39,238 INFO L158 Benchmark]: Boogie Preprocessor took 123.16ms. Allocated memory is still 104.9MB. Free memory was 41.4MB in the beginning and 75.4MB in the end (delta: -34.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-17 01:18:39,238 INFO L158 Benchmark]: RCFGBuilder took 803.45ms. Allocated memory is still 104.9MB. Free memory was 75.4MB in the beginning and 59.4MB in the end (delta: 16.0MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2021-11-17 01:18:39,238 INFO L158 Benchmark]: TraceAbstraction took 3544.24ms. Allocated memory was 104.9MB in the beginning and 174.1MB in the end (delta: 69.2MB). Free memory was 58.8MB in the beginning and 107.6MB in the end (delta: -48.8MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2021-11-17 01:18:39,238 INFO L158 Benchmark]: Witness Printer took 172.17ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 107.6MB in the beginning and 161.4MB in the end (delta: -53.9MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2021-11-17 01:18:39,239 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 86.0MB. Free memory was 58.2MB in the beginning and 58.2MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.61ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 50.7MB in the beginning and 47.6MB in the end (delta: 3.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.84ms. Allocated memory is still 104.9MB. Free memory was 47.6MB in the beginning and 41.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.16ms. Allocated memory is still 104.9MB. Free memory was 41.4MB in the beginning and 75.4MB in the end (delta: -34.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * RCFGBuilder took 803.45ms. Allocated memory is still 104.9MB. Free memory was 75.4MB in the beginning and 59.4MB in the end (delta: 16.0MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3544.24ms. Allocated memory was 104.9MB in the beginning and 174.1MB in the end (delta: 69.2MB). Free memory was 58.8MB in the beginning and 107.6MB in the end (delta: -48.8MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Witness Printer took 172.17ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 107.6MB in the beginning and 161.4MB in the end (delta: -53.9MB). Peak memory consumption was 63.6MB. 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: 3.5s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 831 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 743 mSDsluCounter, 3174 SdHoareTripleChecker+Invalid, 0.6s 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, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 554 NumberOfCodeBlocks, 554 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 548 ConstructedInterpolants, 0 QuantifiedInterpolants, 982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2180 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! [2021-11-17 01:18:39,265 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