./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 ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:16:16,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:16:16,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:16:16,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:16:16,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:16:16,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:16:16,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:16:16,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:16:16,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:16:16,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:16:16,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:16:16,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:16:16,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:16:16,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:16:16,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:16:16,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:16:16,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:16:16,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:16:16,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:16:16,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:16:16,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:16:16,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:16:16,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:16:16,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:16:16,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:16:16,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:16:16,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:16:16,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:16:16,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:16:16,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:16:16,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:16:16,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:16:16,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:16:16,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:16:16,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:16:16,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:16:16,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:16:16,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:16:16,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:16:16,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:16:16,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:16:16,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:16:16,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:16:16,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:16:16,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:16:16,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:16:16,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:16:16,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:16:16,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:16:16,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:16:16,230 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:16:16,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:16:16,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:16:16,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:16:16,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:16:16,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:16:16,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:16:16,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:16:16,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:16:16,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:16:16,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:16:16,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:16:16,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:16:16,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:16:16,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:16:16,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:16:16,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:16:16,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:16:16,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:16:16,234 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:16:16,234 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:16:16,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:16:16,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:16:16,234 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 [2021-12-21 16:16:16,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:16:16,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:16:16,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:16:16,446 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:16:16,446 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:16:16,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2021-12-21 16:16:16,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd0781490/beed4f144101459d827830e410191277/FLAGe89e93679 [2021-12-21 16:16:16,924 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:16:16,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2021-12-21 16:16:16,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd0781490/beed4f144101459d827830e410191277/FLAGe89e93679 [2021-12-21 16:16:17,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd0781490/beed4f144101459d827830e410191277 [2021-12-21 16:16:17,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:16:17,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:16:17,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:16:17,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:16:17,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:16:17,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:17,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fce402f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17, skipping insertion in model container [2021-12-21 16:16:17,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:17,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:16:17,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:16:17,551 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2021-12-21 16:16:17,551 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2021-12-21 16:16:17,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2021-12-21 16:16:17,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:16:17,707 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:16:17,759 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2021-12-21 16:16:17,760 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2021-12-21 16:16:17,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2021-12-21 16:16:17,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:16:17,865 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:16:17,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17 WrapperNode [2021-12-21 16:16:17,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:16:17,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:16:17,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:16:17,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:16:17,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:17,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:17,943 INFO L137 Inliner]: procedures = 77, calls = 397, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 844 [2021-12-21 16:16:17,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:16:17,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:16:17,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:16:17,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:16:17,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:17,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:17,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:17,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:17,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:18,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:18,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:18,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:16:18,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:16:18,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:16:18,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:16:18,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (1/1) ... [2021-12-21 16:16:18,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:16:18,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:16:18,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:16:18,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:16:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:16:18,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:16:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:16:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-12-21 16:16:18,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-12-21 16:16:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:16:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:16:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:16:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-12-21 16:16:18,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-12-21 16:16:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2021-12-21 16:16:18,092 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2021-12-21 16:16:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:16:18,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:16:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:16:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2021-12-21 16:16:18,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2021-12-21 16:16:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:16:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2021-12-21 16:16:18,093 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2021-12-21 16:16:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:16:18,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:16:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:16:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:16:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-21 16:16:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-21 16:16:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:16:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:16:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:16:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2021-12-21 16:16:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2021-12-21 16:16:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:16:18,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:16:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:16:18,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:16:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-21 16:16:18,095 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-21 16:16:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-21 16:16:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-21 16:16:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:16:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:16:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:16:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-21 16:16:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-21 16:16:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:16:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:16:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:16:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:16:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:16:18,305 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:16:18,307 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:16:18,386 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:16:18,895 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:16:18,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:16:18,902 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:16:18,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:16:18 BoogieIcfgContainer [2021-12-21 16:16:18,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:16:18,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:16:18,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:16:18,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:16:18,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:16:17" (1/3) ... [2021-12-21 16:16:18,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb84c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:16:18, skipping insertion in model container [2021-12-21 16:16:18,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:16:17" (2/3) ... [2021-12-21 16:16:18,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb84c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:16:18, skipping insertion in model container [2021-12-21 16:16:18,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:16:18" (3/3) ... [2021-12-21 16:16:18,911 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2021-12-21 16:16:18,916 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:16:18,916 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:16:18,961 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:16:18,967 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:16:18,967 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:16:18,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 243 states, 165 states have (on average 1.303030303030303) internal successors, (215), 171 states have internal predecessors, (215), 58 states have call successors, (58), 19 states have call predecessors, (58), 18 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2021-12-21 16:16:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-21 16:16:19,004 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:16:19,005 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:16:19,005 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:16:19,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:16:19,010 INFO L85 PathProgramCache]: Analyzing trace with hash 743698219, now seen corresponding path program 1 times [2021-12-21 16:16:19,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:16:19,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194860555] [2021-12-21 16:16:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:16:19,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:16:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:16:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:16:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 16:16:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 16:16:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:16:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 16:16:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:16:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-21 16:16:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-21 16:16:19,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:16:19,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194860555] [2021-12-21 16:16:19,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194860555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:16:19,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:16:19,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:16:19,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542014947] [2021-12-21 16:16:19,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:16:19,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:16:19,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:16:19,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:16:19,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:16:19,436 INFO L87 Difference]: Start difference. First operand has 243 states, 165 states have (on average 1.303030303030303) internal successors, (215), 171 states have internal predecessors, (215), 58 states have call successors, (58), 19 states have call predecessors, (58), 18 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-21 16:16:19,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:16:19,908 INFO L93 Difference]: Finished difference Result 595 states and 852 transitions. [2021-12-21 16:16:19,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:16:19,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2021-12-21 16:16:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:16:19,924 INFO L225 Difference]: With dead ends: 595 [2021-12-21 16:16:19,925 INFO L226 Difference]: Without dead ends: 320 [2021-12-21 16:16:19,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:16:19,938 INFO L933 BasicCegarLoop]: 464 mSDtfsCounter, 153 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:16:19,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 1282 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 16:16:19,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-12-21 16:16:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 225. [2021-12-21 16:16:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 154 states have (on average 1.2727272727272727) internal successors, (196), 155 states have internal predecessors, (196), 53 states have call successors, (53), 18 states have call predecessors, (53), 17 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-21 16:16:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 301 transitions. [2021-12-21 16:16:19,986 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 301 transitions. Word has length 74 [2021-12-21 16:16:19,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:16:19,987 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 301 transitions. [2021-12-21 16:16:19,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-21 16:16:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 301 transitions. [2021-12-21 16:16:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-21 16:16:19,995 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:16:19,996 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:16:19,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:16:19,996 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:16:19,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:16:19,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1405383361, now seen corresponding path program 1 times [2021-12-21 16:16:19,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:16:19,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326518777] [2021-12-21 16:16:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:16:19,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:16:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:16:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:16:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:16:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-21 16:16:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 16:16:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:16:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:16:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:16:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 16:16:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-21 16:16:20,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:16:20,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326518777] [2021-12-21 16:16:20,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326518777] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:16:20,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:16:20,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:16:20,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358191567] [2021-12-21 16:16:20,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:16:20,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:16:20,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:16:20,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:16:20,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:16:20,206 INFO L87 Difference]: Start difference. First operand 225 states and 301 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:16:20,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:16:20,636 INFO L93 Difference]: Finished difference Result 601 states and 805 transitions. [2021-12-21 16:16:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:16:20,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2021-12-21 16:16:20,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:16:20,639 INFO L225 Difference]: With dead ends: 601 [2021-12-21 16:16:20,639 INFO L226 Difference]: Without dead ends: 390 [2021-12-21 16:16:20,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:16:20,641 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 252 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:16:20,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 858 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 16:16:20,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-12-21 16:16:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 372. [2021-12-21 16:16:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 253 states have (on average 1.2687747035573123) internal successors, (321), 255 states have internal predecessors, (321), 87 states have call successors, (87), 32 states have call predecessors, (87), 31 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-12-21 16:16:20,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 494 transitions. [2021-12-21 16:16:20,678 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 494 transitions. Word has length 94 [2021-12-21 16:16:20,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:16:20,678 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 494 transitions. [2021-12-21 16:16:20,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:16:20,679 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 494 transitions. [2021-12-21 16:16:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-12-21 16:16:20,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:16:20,684 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:16:20,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:16:20,684 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:16:20,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:16:20,685 INFO L85 PathProgramCache]: Analyzing trace with hash 235506925, now seen corresponding path program 1 times [2021-12-21 16:16:20,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:16:20,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784128129] [2021-12-21 16:16:20,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:16:20,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:16:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:16:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:16:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 16:16:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 16:16:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:16:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 16:16:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 16:16:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:16:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:16:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 16:16:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-21 16:16:20,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:16:20,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784128129] [2021-12-21 16:16:20,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784128129] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:16:20,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280354784] [2021-12-21 16:16:20,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:16:20,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:16:20,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:16:20,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:16:20,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 16:16:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 16:16:21,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:16:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-12-21 16:16:21,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:16:21,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280354784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:16:21,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 16:16:21,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2021-12-21 16:16:21,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752376043] [2021-12-21 16:16:21,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:16:21,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:16:21,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:16:21,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:16:21,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:16:21,221 INFO L87 Difference]: Start difference. First operand 372 states and 494 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 16:16:21,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:16:21,264 INFO L93 Difference]: Finished difference Result 922 states and 1269 transitions. [2021-12-21 16:16:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:16:21,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 87 [2021-12-21 16:16:21,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:16:21,270 INFO L225 Difference]: With dead ends: 922 [2021-12-21 16:16:21,270 INFO L226 Difference]: Without dead ends: 564 [2021-12-21 16:16:21,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:16:21,275 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 116 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:16:21,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 724 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:16:21,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2021-12-21 16:16:21,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 410. [2021-12-21 16:16:21,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 277 states have (on average 1.2743682310469313) internal successors, (353), 281 states have internal predecessors, (353), 101 states have call successors, (101), 32 states have call predecessors, (101), 31 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2021-12-21 16:16:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 554 transitions. [2021-12-21 16:16:21,300 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 554 transitions. Word has length 87 [2021-12-21 16:16:21,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:16:21,301 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 554 transitions. [2021-12-21 16:16:21,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 16:16:21,303 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 554 transitions. [2021-12-21 16:16:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-21 16:16:21,305 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:16:21,305 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:16:21,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 16:16:21,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:16:21,524 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:16:21,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:16:21,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1328000649, now seen corresponding path program 1 times [2021-12-21 16:16:21,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:16:21,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687624529] [2021-12-21 16:16:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:16:21,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:16:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:16:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:16:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:16:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 16:16:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:16:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:16:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 16:16:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 16:16:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 16:16:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:16:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-21 16:16:21,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:16:21,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687624529] [2021-12-21 16:16:21,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687624529] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:16:21,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193751219] [2021-12-21 16:16:21,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:16:21,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:16:21,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:16:21,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:16:21,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 16:16:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:16:21,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 16:16:21,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:16:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-21 16:16:22,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:16:22,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193751219] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:16:22,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 16:16:22,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2021-12-21 16:16:22,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390796475] [2021-12-21 16:16:22,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:16:22,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:16:22,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:16:22,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:16:22,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:16:22,112 INFO L87 Difference]: Start difference. First operand 410 states and 554 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 16:16:22,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:16:22,124 INFO L93 Difference]: Finished difference Result 410 states and 554 transitions. [2021-12-21 16:16:22,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:16:22,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2021-12-21 16:16:22,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:16:22,127 INFO L225 Difference]: With dead ends: 410 [2021-12-21 16:16:22,127 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 16:16:22,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:16:22,131 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 222 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:16:22,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 295 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:16:22,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 16:16:22,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 16:16:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 16:16:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 16:16:22,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2021-12-21 16:16:22,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:16:22,134 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 16:16:22,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 16:16:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 16:16:22,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 16:16:22,136 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 16:16:22,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 16:16:22,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-21 16:16:22,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 16:16:22,656 INFO L861 garLoopResultBuilder]: At program point __list_addENTRY(lines 2129 2131) the Hoare annotation is: true [2021-12-21 16:16:22,656 INFO L858 garLoopResultBuilder]: For program point __list_addFINAL(lines 2129 2131) no Hoare annotation was computed. [2021-12-21 16:16:22,656 INFO L858 garLoopResultBuilder]: For program point __list_addEXIT(lines 2129 2131) no Hoare annotation was computed. [2021-12-21 16:16:22,657 INFO L861 garLoopResultBuilder]: At program point __release_regionENTRY(lines 2132 2134) the Hoare annotation is: true [2021-12-21 16:16:22,657 INFO L858 garLoopResultBuilder]: For program point __release_regionFINAL(lines 2132 2134) no Hoare annotation was computed. [2021-12-21 16:16:22,658 INFO L858 garLoopResultBuilder]: For program point __release_regionEXIT(lines 2132 2134) no Hoare annotation was computed. [2021-12-21 16:16:22,658 INFO L858 garLoopResultBuilder]: For program point kfreeEXIT(lines 2182 2184) no Hoare annotation was computed. [2021-12-21 16:16:22,659 INFO L854 garLoopResultBuilder]: At program point kfreeENTRY(lines 2182 2184) the Hoare annotation is: (= |old(#valid)| |#valid|) [2021-12-21 16:16:22,659 INFO L858 garLoopResultBuilder]: For program point kfreeFINAL(lines 2182 2184) no Hoare annotation was computed. [2021-12-21 16:16:22,659 INFO L858 garLoopResultBuilder]: For program point pnp_get_resourceEXIT(lines 2163 2165) no Hoare annotation was computed. [2021-12-21 16:16:22,660 INFO L854 garLoopResultBuilder]: At program point pnp_get_resourceENTRY(lines 2163 2165) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-21 16:16:22,661 INFO L858 garLoopResultBuilder]: For program point pnp_get_resourceFINAL(lines 2163 2165) no Hoare annotation was computed. [2021-12-21 16:16:22,662 INFO L854 garLoopResultBuilder]: At program point L2164(line 2164) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-21 16:16:22,662 INFO L858 garLoopResultBuilder]: For program point L2164-1(line 2164) no Hoare annotation was computed. [2021-12-21 16:16:22,662 INFO L858 garLoopResultBuilder]: For program point msleepEXIT(lines 2160 2162) no Hoare annotation was computed. [2021-12-21 16:16:22,662 INFO L861 garLoopResultBuilder]: At program point msleepENTRY(lines 2160 2162) the Hoare annotation is: true [2021-12-21 16:16:22,662 INFO L858 garLoopResultBuilder]: For program point msleepFINAL(lines 2160 2162) no Hoare annotation was computed. [2021-12-21 16:16:22,662 INFO L858 garLoopResultBuilder]: For program point pnp_resource_validFINAL(lines 1601 1610) no Hoare annotation was computed. [2021-12-21 16:16:22,662 INFO L858 garLoopResultBuilder]: For program point pnp_resource_validEXIT(lines 1601 1610) no Hoare annotation was computed. [2021-12-21 16:16:22,662 INFO L861 garLoopResultBuilder]: At program point pnp_resource_validENTRY(lines 1601 1610) the Hoare annotation is: true [2021-12-21 16:16:22,662 INFO L858 garLoopResultBuilder]: For program point L1604(lines 1604 1607) no Hoare annotation was computed. [2021-12-21 16:16:22,666 INFO L858 garLoopResultBuilder]: For program point gameport_set_nameEXIT(lines 1593 1599) no Hoare annotation was computed. [2021-12-21 16:16:22,666 INFO L861 garLoopResultBuilder]: At program point gameport_set_nameENTRY(lines 1593 1599) the Hoare annotation is: true [2021-12-21 16:16:22,666 INFO L858 garLoopResultBuilder]: For program point gameport_set_nameFINAL(lines 1593 1599) no Hoare annotation was computed. [2021-12-21 16:16:22,666 INFO L861 garLoopResultBuilder]: At program point L2179(lines 2178 2180) the Hoare annotation is: true [2021-12-21 16:16:22,666 INFO L858 garLoopResultBuilder]: For program point gameport_free_portEXIT(lines 1586 1592) no Hoare annotation was computed. [2021-12-21 16:16:22,666 INFO L854 garLoopResultBuilder]: At program point gameport_free_portENTRY(lines 1586 1592) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (= |old(#valid)| |#valid|)) [2021-12-21 16:16:22,667 INFO L854 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (= |old(#valid)| |#valid|)) [2021-12-21 16:16:22,667 INFO L858 garLoopResultBuilder]: For program point gameport_free_portFINAL(lines 1586 1592) no Hoare annotation was computed. [2021-12-21 16:16:22,667 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 1529 1535) no Hoare annotation was computed. [2021-12-21 16:16:22,667 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 1529 1535) the Hoare annotation is: true [2021-12-21 16:16:22,667 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1533) no Hoare annotation was computed. [2021-12-21 16:16:22,667 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 1529 1535) no Hoare annotation was computed. [2021-12-21 16:16:22,668 INFO L858 garLoopResultBuilder]: For program point kzallocEXIT(lines 2057 2063) no Hoare annotation was computed. [2021-12-21 16:16:22,668 INFO L854 garLoopResultBuilder]: At program point L2071(line 2071) the Hoare annotation is: (not (= ~ldv_spin~0 0)) [2021-12-21 16:16:22,668 INFO L861 garLoopResultBuilder]: At program point L2071-1(lines 2066 2075) the Hoare annotation is: true [2021-12-21 16:16:22,668 INFO L861 garLoopResultBuilder]: At program point kzallocENTRY(lines 2057 2063) the Hoare annotation is: true [2021-12-21 16:16:22,668 INFO L858 garLoopResultBuilder]: For program point L2069(lines 2069 2072) no Hoare annotation was computed. [2021-12-21 16:16:22,668 INFO L858 garLoopResultBuilder]: For program point kzallocFINAL(lines 2057 2063) no Hoare annotation was computed. [2021-12-21 16:16:22,668 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 1536 1542) no Hoare annotation was computed. [2021-12-21 16:16:22,668 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 1536 1542) the Hoare annotation is: true [2021-12-21 16:16:22,668 INFO L858 garLoopResultBuilder]: For program point inbEXIT(lines 1453 1460) no Hoare annotation was computed. [2021-12-21 16:16:22,669 INFO L861 garLoopResultBuilder]: At program point inbENTRY(lines 1453 1460) the Hoare annotation is: true [2021-12-21 16:16:22,669 INFO L858 garLoopResultBuilder]: For program point inbFINAL(lines 1453 1460) no Hoare annotation was computed. [2021-12-21 16:16:22,669 INFO L861 garLoopResultBuilder]: At program point __gameport_register_portENTRY(lines 2126 2128) the Hoare annotation is: true [2021-12-21 16:16:22,669 INFO L858 garLoopResultBuilder]: For program point __gameport_register_portFINAL(lines 2126 2128) no Hoare annotation was computed. [2021-12-21 16:16:22,669 INFO L858 garLoopResultBuilder]: For program point __gameport_register_portEXIT(lines 2126 2128) no Hoare annotation was computed. [2021-12-21 16:16:22,669 INFO L858 garLoopResultBuilder]: For program point outbEXIT(lines 1446 1452) no Hoare annotation was computed. [2021-12-21 16:16:22,669 INFO L861 garLoopResultBuilder]: At program point outbENTRY(lines 1446 1452) the Hoare annotation is: true [2021-12-21 16:16:22,669 INFO L858 garLoopResultBuilder]: For program point outbFINAL(lines 1446 1452) no Hoare annotation was computed. [2021-12-21 16:16:22,670 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 1476 1478) the Hoare annotation is: true [2021-12-21 16:16:22,670 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-12-21 16:16:22,670 INFO L858 garLoopResultBuilder]: For program point L1477-2(lines 1476 1478) no Hoare annotation was computed. [2021-12-21 16:16:22,670 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 1476 1478) no Hoare annotation was computed. [2021-12-21 16:16:22,670 INFO L858 garLoopResultBuilder]: For program point gameport_allocate_portEXIT(lines 1576 1585) no Hoare annotation was computed. [2021-12-21 16:16:22,670 INFO L861 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: true [2021-12-21 16:16:22,670 INFO L861 garLoopResultBuilder]: At program point gameport_allocate_portENTRY(lines 1576 1585) the Hoare annotation is: true [2021-12-21 16:16:22,670 INFO L858 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2021-12-21 16:16:22,670 INFO L858 garLoopResultBuilder]: For program point gameport_allocate_portFINAL(lines 1576 1585) no Hoare annotation was computed. [2021-12-21 16:16:22,671 INFO L854 garLoopResultBuilder]: At program point __request_regionENTRY(lines 2135 2137) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-21 16:16:22,671 INFO L858 garLoopResultBuilder]: For program point __request_regionEXIT(lines 2135 2137) no Hoare annotation was computed. [2021-12-21 16:16:22,671 INFO L854 garLoopResultBuilder]: At program point L2136(line 2136) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-21 16:16:22,671 INFO L858 garLoopResultBuilder]: For program point __request_regionFINAL(lines 2135 2137) no Hoare annotation was computed. [2021-12-21 16:16:22,671 INFO L858 garLoopResultBuilder]: For program point L2136-1(line 2136) no Hoare annotation was computed. [2021-12-21 16:16:22,671 INFO L854 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 1479 1495) the Hoare annotation is: (or (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-12-21 16:16:22,671 INFO L858 garLoopResultBuilder]: For program point L1486(lines 1486 1493) no Hoare annotation was computed. [2021-12-21 16:16:22,671 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 1479 1495) no Hoare annotation was computed. [2021-12-21 16:16:22,671 INFO L861 garLoopResultBuilder]: At program point L1491(line 1491) the Hoare annotation is: true [2021-12-21 16:16:22,672 INFO L858 garLoopResultBuilder]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2021-12-21 16:16:22,672 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 1479 1495) no Hoare annotation was computed. [2021-12-21 16:16:22,672 INFO L858 garLoopResultBuilder]: For program point L1503(lines 1503 1510) no Hoare annotation was computed. [2021-12-21 16:16:22,672 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 16:16:22,672 INFO L858 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 1496 1512) no Hoare annotation was computed. [2021-12-21 16:16:22,672 INFO L854 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 1496 1512) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~ldv_spin~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))) [2021-12-21 16:16:22,672 INFO L861 garLoopResultBuilder]: At program point L1508(line 1508) the Hoare annotation is: true [2021-12-21 16:16:22,672 INFO L858 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 1496 1512) no Hoare annotation was computed. [2021-12-21 16:16:22,673 INFO L858 garLoopResultBuilder]: For program point L1508-1(line 1508) no Hoare annotation was computed. [2021-12-21 16:16:22,673 INFO L858 garLoopResultBuilder]: For program point L1984(lines 1984 2006) no Hoare annotation was computed. [2021-12-21 16:16:22,673 INFO L854 garLoopResultBuilder]: At program point L1918(lines 1904 1923) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,673 INFO L854 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,673 INFO L858 garLoopResultBuilder]: For program point L1885-1(line 1885) no Hoare annotation was computed. [2021-12-21 16:16:22,673 INFO L858 garLoopResultBuilder]: For program point L1786(lines 1786 1794) no Hoare annotation was computed. [2021-12-21 16:16:22,673 INFO L854 garLoopResultBuilder]: At program point L1786-2(lines 1786 1794) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,674 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1709) no Hoare annotation was computed. [2021-12-21 16:16:22,674 INFO L858 garLoopResultBuilder]: For program point L1985(line 1985) no Hoare annotation was computed. [2021-12-21 16:16:22,674 INFO L854 garLoopResultBuilder]: At program point L1440(lines 1437 1442) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,674 INFO L861 garLoopResultBuilder]: At program point L1952(lines 1925 1954) the Hoare annotation is: true [2021-12-21 16:16:22,674 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 16:16:22,674 INFO L854 garLoopResultBuilder]: At program point L1787(lines 1787 1788) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,674 INFO L858 garLoopResultBuilder]: For program point L1787-1(lines 1787 1788) no Hoare annotation was computed. [2021-12-21 16:16:22,674 INFO L858 garLoopResultBuilder]: For program point L1721(lines 1721 1726) no Hoare annotation was computed. [2021-12-21 16:16:22,674 INFO L854 garLoopResultBuilder]: At program point L1705(line 1705) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,674 INFO L854 garLoopResultBuilder]: At program point L1705-1(line 1705) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,674 INFO L854 garLoopResultBuilder]: At program point L2151(lines 2150 2152) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-12-21 16:16:22,674 INFO L858 garLoopResultBuilder]: For program point L1986(lines 1986 1994) no Hoare annotation was computed. [2021-12-21 16:16:22,675 INFO L854 garLoopResultBuilder]: At program point L1755(line 1755) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,675 INFO L854 garLoopResultBuilder]: At program point L1722(line 1722) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,675 INFO L858 garLoopResultBuilder]: For program point L1755-1(line 1755) no Hoare annotation was computed. [2021-12-21 16:16:22,675 INFO L854 garLoopResultBuilder]: At program point L2168(lines 2167 2169) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,675 INFO L854 garLoopResultBuilder]: At program point L1722-1(line 1722) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,675 INFO L854 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,675 INFO L858 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2021-12-21 16:16:22,675 INFO L854 garLoopResultBuilder]: At program point L1970(line 1970) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-12-21 16:16:22,676 INFO L858 garLoopResultBuilder]: For program point L1970-1(line 1970) no Hoare annotation was computed. [2021-12-21 16:16:22,676 INFO L854 garLoopResultBuilder]: At program point L1425(line 1425) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,676 INFO L858 garLoopResultBuilder]: For program point L1425-1(line 1425) no Hoare annotation was computed. [2021-12-21 16:16:22,676 INFO L854 garLoopResultBuilder]: At program point L1871(line 1871) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,676 INFO L858 garLoopResultBuilder]: For program point L1871-1(line 1871) no Hoare annotation was computed. [2021-12-21 16:16:22,676 INFO L854 garLoopResultBuilder]: At program point L1772(line 1772) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,676 INFO L858 garLoopResultBuilder]: For program point L1772-1(lines 1693 1815) no Hoare annotation was computed. [2021-12-21 16:16:22,676 INFO L858 garLoopResultBuilder]: For program point L1706(line 1706) no Hoare annotation was computed. [2021-12-21 16:16:22,676 INFO L861 garLoopResultBuilder]: At program point L2053(lines 1960 2055) the Hoare annotation is: true [2021-12-21 16:16:22,676 INFO L858 garLoopResultBuilder]: For program point L1789(lines 1789 1792) no Hoare annotation was computed. [2021-12-21 16:16:22,677 INFO L858 garLoopResultBuilder]: For program point L1723(line 1723) no Hoare annotation was computed. [2021-12-21 16:16:22,677 INFO L858 garLoopResultBuilder]: For program point L2004(line 2004) no Hoare annotation was computed. [2021-12-21 16:16:22,677 INFO L854 garLoopResultBuilder]: At program point L1426(lines 1422 1428) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,677 INFO L854 garLoopResultBuilder]: At program point L1740(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,677 INFO L858 garLoopResultBuilder]: For program point L1988(lines 1988 1992) no Hoare annotation was computed. [2021-12-21 16:16:22,677 INFO L858 garLoopResultBuilder]: For program point L1922(line 1922) no Hoare annotation was computed. [2021-12-21 16:16:22,677 INFO L858 garLoopResultBuilder]: For program point L1856(lines 1856 1860) no Hoare annotation was computed. [2021-12-21 16:16:22,677 INFO L858 garLoopResultBuilder]: For program point L1922-2(line 1922) no Hoare annotation was computed. [2021-12-21 16:16:22,677 INFO L854 garLoopResultBuilder]: At program point L1922-3(lines 1898 1924) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,678 INFO L854 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,678 INFO L858 garLoopResultBuilder]: For program point L1658-1(line 1658) no Hoare annotation was computed. [2021-12-21 16:16:22,678 INFO L861 garLoopResultBuilder]: At program point L2005(line 2005) the Hoare annotation is: true [2021-12-21 16:16:22,678 INFO L854 garLoopResultBuilder]: At program point L1972(line 1972) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2021-12-21 16:16:22,678 INFO L858 garLoopResultBuilder]: For program point L1972-1(line 1972) no Hoare annotation was computed. [2021-12-21 16:16:22,678 INFO L854 garLoopResultBuilder]: At program point L1873(line 1873) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,678 INFO L858 garLoopResultBuilder]: For program point L1873-1(line 1873) no Hoare annotation was computed. [2021-12-21 16:16:22,678 INFO L854 garLoopResultBuilder]: At program point L1774(line 1774) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,678 INFO L854 garLoopResultBuilder]: At program point L1890(line 1890) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,678 INFO L858 garLoopResultBuilder]: For program point L1890-1(line 1890) no Hoare annotation was computed. [2021-12-21 16:16:22,679 INFO L858 garLoopResultBuilder]: For program point L1659(lines 1659 1663) no Hoare annotation was computed. [2021-12-21 16:16:22,679 INFO L861 garLoopResultBuilder]: At program point L2171(lines 2170 2172) the Hoare annotation is: true [2021-12-21 16:16:22,679 INFO L858 garLoopResultBuilder]: For program point L2039(line 2039) no Hoare annotation was computed. [2021-12-21 16:16:22,679 INFO L861 garLoopResultBuilder]: At program point L1940(lines 1940 1941) the Hoare annotation is: true [2021-12-21 16:16:22,679 INFO L858 garLoopResultBuilder]: For program point L1940-1(lines 1940 1941) no Hoare annotation was computed. [2021-12-21 16:16:22,679 INFO L858 garLoopResultBuilder]: For program point L1907(lines 1907 1910) no Hoare annotation was computed. [2021-12-21 16:16:22,680 INFO L858 garLoopResultBuilder]: For program point L1874(lines 1874 1880) no Hoare annotation was computed. [2021-12-21 16:16:22,680 INFO L854 garLoopResultBuilder]: At program point L1742(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,680 INFO L854 garLoopResultBuilder]: At program point L2155(lines 2154 2156) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,680 INFO L858 garLoopResultBuilder]: For program point L2023(line 2023) no Hoare annotation was computed. [2021-12-21 16:16:22,680 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 16:16:22,680 INFO L861 garLoopResultBuilder]: At program point L2040(line 2040) the Hoare annotation is: true [2021-12-21 16:16:22,681 INFO L854 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,681 INFO L858 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2021-12-21 16:16:22,681 INFO L858 garLoopResultBuilder]: For program point L2024(lines 2024 2037) no Hoare annotation was computed. [2021-12-21 16:16:22,681 INFO L854 garLoopResultBuilder]: At program point L1892(lines 1842 1894) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,681 INFO L858 garLoopResultBuilder]: For program point L1760(line 1760) no Hoare annotation was computed. [2021-12-21 16:16:22,681 INFO L854 garLoopResultBuilder]: At program point L1727(line 1727) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,682 INFO L854 garLoopResultBuilder]: At program point L1694(lines 1694 1695) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,682 INFO L854 garLoopResultBuilder]: At program point L1727-1(line 1727) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,682 INFO L858 garLoopResultBuilder]: For program point L1694-1(lines 1694 1695) no Hoare annotation was computed. [2021-12-21 16:16:22,682 INFO L861 garLoopResultBuilder]: At program point L1942(line 1942) the Hoare annotation is: true [2021-12-21 16:16:22,682 INFO L858 garLoopResultBuilder]: For program point L1942-1(line 1942) no Hoare annotation was computed. [2021-12-21 16:16:22,682 INFO L854 garLoopResultBuilder]: At program point L1876(line 1876) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,682 INFO L854 garLoopResultBuilder]: At program point L1876-1(line 1876) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,682 INFO L854 garLoopResultBuilder]: At program point L1810(line 1810) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,682 INFO L854 garLoopResultBuilder]: At program point L1810-1(line 1810) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,683 INFO L854 garLoopResultBuilder]: At program point L1645(line 1645) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L1645-1(line 1645) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L854 garLoopResultBuilder]: At program point L1761(line 1761) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L1728(line 1728) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L1761-1(line 1761) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L854 garLoopResultBuilder]: At program point L1629(line 1629) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L854 garLoopResultBuilder]: At program point L1464(lines 1461 1466) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L1877(line 1877) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L854 garLoopResultBuilder]: At program point L1646(lines 1639 1648) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L2026(lines 2026 2030) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L2026-2(lines 2024 2036) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L1795(line 1795) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1765) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1699) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point L1762-2(lines 1762 1765) no Hoare annotation was computed. [2021-12-21 16:16:22,683 INFO L861 garLoopResultBuilder]: At program point L2142(lines 2141 2143) the Hoare annotation is: true [2021-12-21 16:16:22,683 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 16:16:22,684 INFO L854 garLoopResultBuilder]: At program point L1432(lines 1429 1434) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,684 INFO L858 garLoopResultBuilder]: For program point L1812(line 1812) no Hoare annotation was computed. [2021-12-21 16:16:22,684 INFO L854 garLoopResultBuilder]: At program point L1779(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,684 INFO L858 garLoopResultBuilder]: For program point L1713(line 1713) no Hoare annotation was computed. [2021-12-21 16:16:22,684 INFO L854 garLoopResultBuilder]: At program point L1664(lines 1649 1666) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,684 INFO L854 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,684 INFO L858 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2021-12-21 16:16:22,685 INFO L858 garLoopResultBuilder]: For program point L1565(lines 1565 1568) no Hoare annotation was computed. [2021-12-21 16:16:22,685 INFO L858 garLoopResultBuilder]: For program point L2011(line 2011) no Hoare annotation was computed. [2021-12-21 16:16:22,685 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-12-21 16:16:22,685 INFO L858 garLoopResultBuilder]: For program point L1615-2(lines 1615 1618) no Hoare annotation was computed. [2021-12-21 16:16:22,685 INFO L854 garLoopResultBuilder]: At program point L1797(line 1797) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,685 INFO L858 garLoopResultBuilder]: For program point L1797-1(line 1797) no Hoare annotation was computed. [2021-12-21 16:16:22,685 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1635) no Hoare annotation was computed. [2021-12-21 16:16:22,685 INFO L858 garLoopResultBuilder]: For program point L2012(lines 2012 2044) no Hoare annotation was computed. [2021-12-21 16:16:22,685 INFO L861 garLoopResultBuilder]: At program point L1946(lines 1932 1953) the Hoare annotation is: true [2021-12-21 16:16:22,685 INFO L854 garLoopResultBuilder]: At program point L1814(lines 1675 1816) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,685 INFO L854 garLoopResultBuilder]: At program point L1781(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,685 INFO L854 garLoopResultBuilder]: At program point L1748(line 1748) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1996(line 1996) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L854 garLoopResultBuilder]: At program point L1418(line 1418) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1418-1(line 1418) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1798(lines 1798 1805) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1732(line 1732) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L2046(line 2046) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1980(lines 1980 2048) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1750) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L854 garLoopResultBuilder]: At program point L1716(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1997(lines 1997 2002) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L854 garLoopResultBuilder]: At program point L1419(lines 1415 1421) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,686 INFO L854 garLoopResultBuilder]: At program point L1865(lines 1865 1866) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1865-1(lines 1865 1866) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1733(lines 1733 1738) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L854 garLoopResultBuilder]: At program point L1700(line 1700) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1700-1(line 1700) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L861 garLoopResultBuilder]: At program point L2047(line 2047) the Hoare annotation is: true [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L2014(lines 2014 2041) no Hoare annotation was computed. [2021-12-21 16:16:22,686 INFO L858 garLoopResultBuilder]: For program point L1981(line 1981) no Hoare annotation was computed. [2021-12-21 16:16:22,687 INFO L861 garLoopResultBuilder]: At program point L1948(lines 1932 1953) the Hoare annotation is: true [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1800(line 1800) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1800-1(line 1800) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1734(line 1734) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1701(line 1701) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1734-1(line 1734) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1701-1(line 1701) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L858 garLoopResultBuilder]: For program point L2015(line 2015) no Hoare annotation was computed. [2021-12-21 16:16:22,687 INFO L858 garLoopResultBuilder]: For program point L1982(lines 1982 2009) no Hoare annotation was computed. [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1916(lines 1904 1923) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1784(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L858 garLoopResultBuilder]: For program point L1751(lines 1751 1754) no Hoare annotation was computed. [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1718(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,687 INFO L858 garLoopResultBuilder]: For program point L1867(lines 1867 1870) no Hoare annotation was computed. [2021-12-21 16:16:22,687 INFO L854 garLoopResultBuilder]: At program point L1801(line 1801) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,688 INFO L858 garLoopResultBuilder]: For program point L1735(line 1735) no Hoare annotation was computed. [2021-12-21 16:16:22,688 INFO L858 garLoopResultBuilder]: For program point L1702(line 1702) no Hoare annotation was computed. [2021-12-21 16:16:22,688 INFO L861 garLoopResultBuilder]: At program point L2148(lines 2147 2149) the Hoare annotation is: true [2021-12-21 16:16:22,688 INFO L854 garLoopResultBuilder]: At program point L1636(lines 1623 1638) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,688 INFO L854 garLoopResultBuilder]: At program point L1570(lines 1561 1572) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,688 INFO L854 garLoopResultBuilder]: At program point L2049(lines 1969 2054) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,688 INFO L858 garLoopResultBuilder]: For program point L2016(lines 2016 2021) no Hoare annotation was computed. [2021-12-21 16:16:22,688 INFO L858 garLoopResultBuilder]: For program point L1917(lines 1917 1920) no Hoare annotation was computed. [2021-12-21 16:16:22,688 INFO L854 garLoopResultBuilder]: At program point L1620(lines 1611 1622) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,688 INFO L861 garLoopResultBuilder]: At program point L2033(lines 1969 2054) the Hoare annotation is: true [2021-12-21 16:16:22,688 INFO L858 garLoopResultBuilder]: For program point L1802(line 1802) no Hoare annotation was computed. [2021-12-21 16:16:22,688 INFO L854 garLoopResultBuilder]: At program point L1769(lines 1693 1815) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-12-21 16:16:22,691 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-21 16:16:22,692 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 16:16:22,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 04:16:22 BoogieIcfgContainer [2021-12-21 16:16:22,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 16:16:22,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 16:16:22,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 16:16:22,704 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 16:16:22,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:16:18" (3/4) ... [2021-12-21 16:16:22,706 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __list_add [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_get_resource [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_allocate_port [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_resource_valid [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_set_name [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_free_port [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-12-21 16:16:22,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-12-21 16:16:22,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2021-12-21 16:16:22,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __gameport_register_port [2021-12-21 16:16:22,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2021-12-21 16:16:22,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-12-21 16:16:22,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 16:16:22,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 16:16:22,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 16:16:22,853 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 16:16:22,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 16:16:22,854 INFO L158 Benchmark]: Toolchain (without parser) took 5596.16ms. Allocated memory was 104.9MB in the beginning and 178.3MB in the end (delta: 73.4MB). Free memory was 75.3MB in the beginning and 90.3MB in the end (delta: -14.9MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. [2021-12-21 16:16:22,854 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 16:16:22,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.55ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 75.0MB in the beginning and 103.4MB in the end (delta: -28.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2021-12-21 16:16:22,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.72ms. Allocated memory is still 134.2MB. Free memory was 103.4MB in the beginning and 97.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 16:16:22,855 INFO L158 Benchmark]: Boogie Preprocessor took 79.29ms. Allocated memory is still 134.2MB. Free memory was 97.1MB in the beginning and 91.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 16:16:22,855 INFO L158 Benchmark]: RCFGBuilder took 879.63ms. Allocated memory is still 134.2MB. Free memory was 91.7MB in the beginning and 76.6MB in the end (delta: 15.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2021-12-21 16:16:22,855 INFO L158 Benchmark]: TraceAbstraction took 3798.39ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 75.9MB in the beginning and 72.6MB in the end (delta: 3.2MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2021-12-21 16:16:22,856 INFO L158 Benchmark]: Witness Printer took 149.83ms. Allocated memory is still 178.3MB. Free memory was 72.6MB in the beginning and 90.3MB in the end (delta: -17.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2021-12-21 16:16:22,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.55ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 75.0MB in the beginning and 103.4MB in the end (delta: -28.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.72ms. Allocated memory is still 134.2MB. Free memory was 103.4MB in the beginning and 97.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.29ms. Allocated memory is still 134.2MB. Free memory was 97.1MB in the beginning and 91.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 879.63ms. Allocated memory is still 134.2MB. Free memory was 91.7MB in the beginning and 76.6MB in the end (delta: 15.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3798.39ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 75.9MB in the beginning and 72.6MB in the end (delta: 3.2MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 149.83ms. Allocated memory is still 178.3MB. Free memory was 72.6MB in the beginning and 90.3MB in the end (delta: -17.6MB). Peak memory consumption was 31.9MB. 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: 3.7s, 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, 832 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 743 mSDsluCounter, 3159 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1647 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 520 IncrementalHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 1512 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, 405 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 554 NumberOfCodeBlocks, 554 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 548 ConstructedInterpolants, 0 QuantifiedInterpolants, 982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2224 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 249/254 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2150]: Loop Invariant Derived loop invariant: ldv_spin == 0 && ldv_state_variable_1 == 0 - InvariantResult [Line: 1623]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1422]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1904]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2154]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2167]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1904]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1415]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1461]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1437]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1536]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1960]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1969]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1429]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1675]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1649]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2066]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1693]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1639]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1842]: Loop Invariant Derived loop invariant: ldv_spin == 0 RESULT: Ultimate proved your program to be correct! [2021-12-21 16:16:22,898 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