./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be --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 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:10:21,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:10:21,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:10:21,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:10:21,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:10:21,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:10:21,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:10:21,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:10:21,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:10:21,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:10:21,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:10:21,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:10:21,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:10:22,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:10:22,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:10:22,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:10:22,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:10:22,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:10:22,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:10:22,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:10:22,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:10:22,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:10:22,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:10:22,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:10:22,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:10:22,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:10:22,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:10:22,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:10:22,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:10:22,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:10:22,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:10:22,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:10:22,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:10:22,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:10:22,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:10:22,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:10:22,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:10:22,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:10:22,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:10:22,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:10:22,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:10:22,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-21 20:10:22,129 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:10:22,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:10:22,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:10:22,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:10:22,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:10:22,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:10:22,133 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:10:22,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:10:22,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:10:22,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:10:22,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:10:22,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:10:22,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:10:22,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:10:22,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:10:22,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:10:22,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:10:22,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:10:22,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:10:22,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:10:22,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:10:22,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:10:22,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:10:22,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:10:22,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:10:22,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:10:22,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:10:22,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:10:22,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:10:22,143 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 [2021-10-21 20:10:22,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:10:22,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:10:22,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:10:22,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:10:22,562 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:10:22,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-10-21 20:10:22,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/data/0003a64b3/c945a52ce10148a88b75c60c432c4530/FLAG7783e4152 [2021-10-21 20:10:23,597 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:10:23,598 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-10-21 20:10:23,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/data/0003a64b3/c945a52ce10148a88b75c60c432c4530/FLAG7783e4152 [2021-10-21 20:10:24,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/data/0003a64b3/c945a52ce10148a88b75c60c432c4530 [2021-10-21 20:10:24,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:10:24,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:10:24,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:24,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:10:24,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:10:24,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:24" (1/1) ... [2021-10-21 20:10:24,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e57fa5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:24, skipping insertion in model container [2021-10-21 20:10:24,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:24" (1/1) ... [2021-10-21 20:10:24,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:10:24,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:10:25,205 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2021-10-21 20:10:25,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:25,311 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:10:25,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2021-10-21 20:10:25,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:25,648 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:10:25,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25 WrapperNode [2021-10-21 20:10:25,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:25,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:25,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:10:25,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:10:25,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:25,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:10:25,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:10:25,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:10:25,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:10:25,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:10:25,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:10:25,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:10:25,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (1/1) ... [2021-10-21 20:10:25,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:10:26,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:26,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:26,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:10:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 20:10:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:10:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:10:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:10:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:10:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 20:10:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:10:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:10:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:10:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:10:26,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:10:27,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:10:27,192 INFO L299 CfgBuilder]: Removed 112 assume(true) statements. [2021-10-21 20:10:27,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:27 BoogieIcfgContainer [2021-10-21 20:10:27,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:10:27,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:10:27,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:10:27,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:10:27,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:10:24" (1/3) ... [2021-10-21 20:10:27,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a82b0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:10:27, skipping insertion in model container [2021-10-21 20:10:27,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:25" (2/3) ... [2021-10-21 20:10:27,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a82b0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:10:27, skipping insertion in model container [2021-10-21 20:10:27,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:27" (3/3) ... [2021-10-21 20:10:27,206 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-10-21 20:10:27,212 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:10:27,213 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:10:27,273 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:10:27,280 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 [2021-10-21 20:10:27,281 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:10:27,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 92 states have internal predecessors, (122), 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) [2021-10-21 20:10:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 20:10:27,308 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:27,309 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:27,309 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:27,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:27,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1318229169, now seen corresponding path program 1 times [2021-10-21 20:10:27,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:27,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76739045] [2021-10-21 20:10:27,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:27,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:27,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:27,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76739045] [2021-10-21 20:10:27,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76739045] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:27,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:27,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:10:27,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118755652] [2021-10-21 20:10:27,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:10:27,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:27,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:10:27,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:27,796 INFO L87 Difference]: Start difference. First operand has 93 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 92 states have internal predecessors, (122), 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) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-10-21 20:10:27,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:27,900 INFO L93 Difference]: Finished difference Result 197 states and 264 transitions. [2021-10-21 20:10:27,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:10:27,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2021-10-21 20:10:27,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:27,915 INFO L225 Difference]: With dead ends: 197 [2021-10-21 20:10:27,915 INFO L226 Difference]: Without dead ends: 99 [2021-10-21 20:10:27,919 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:27,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-21 20:10:27,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-10-21 20:10:27,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.2653061224489797) internal successors, (124), 98 states have internal predecessors, (124), 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) [2021-10-21 20:10:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2021-10-21 20:10:27,970 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 14 [2021-10-21 20:10:27,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:27,970 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2021-10-21 20:10:27,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-10-21 20:10:27,971 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2021-10-21 20:10:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 20:10:27,973 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:27,973 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:27,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:10:27,974 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:27,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:27,975 INFO L82 PathProgramCache]: Analyzing trace with hash 449689023, now seen corresponding path program 1 times [2021-10-21 20:10:27,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:27,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383307181] [2021-10-21 20:10:27,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:27,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:28,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:28,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383307181] [2021-10-21 20:10:28,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383307181] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:28,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:28,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:10:28,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442555842] [2021-10-21 20:10:28,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:10:28,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:28,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:10:28,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:10:28,134 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-21 20:10:28,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:28,248 INFO L93 Difference]: Finished difference Result 201 states and 252 transitions. [2021-10-21 20:10:28,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:10:28,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) Word has length 22 [2021-10-21 20:10:28,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:28,251 INFO L225 Difference]: With dead ends: 201 [2021-10-21 20:10:28,251 INFO L226 Difference]: Without dead ends: 105 [2021-10-21 20:10:28,253 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:10:28,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-21 20:10:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2021-10-21 20:10:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.2574257425742574) internal successors, (127), 101 states have internal predecessors, (127), 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) [2021-10-21 20:10:28,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 127 transitions. [2021-10-21 20:10:28,268 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 127 transitions. Word has length 22 [2021-10-21 20:10:28,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:28,268 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 127 transitions. [2021-10-21 20:10:28,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-21 20:10:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2021-10-21 20:10:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 20:10:28,270 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:10:28,271 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:10:28,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:10:28,271 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:10:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:28,272 INFO L82 PathProgramCache]: Analyzing trace with hash 449748605, now seen corresponding path program 1 times [2021-10-21 20:10:28,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:28,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005719970] [2021-10-21 20:10:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:28,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:28,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:10:28,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005719970] [2021-10-21 20:10:28,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005719970] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:10:28,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:10:28,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:10:28,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713415083] [2021-10-21 20:10:28,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:10:28,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:10:28,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:10:28,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:28,404 INFO L87 Difference]: Start difference. First operand 102 states and 127 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-10-21 20:10:28,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:10:28,419 INFO L93 Difference]: Finished difference Result 102 states and 127 transitions. [2021-10-21 20:10:28,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:10:28,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) Word has length 22 [2021-10-21 20:10:28,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:10:28,420 INFO L225 Difference]: With dead ends: 102 [2021-10-21 20:10:28,421 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:10:28,422 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:10:28,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:10:28,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:10:28,423 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) [2021-10-21 20:10:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:10:28,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-10-21 20:10:28,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:10:28,424 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:10:28,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-10-21 20:10:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:10:28,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:10:28,428 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:10:28,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:10:28,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:10:28,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:10:28,809 INFO L857 garLoopResultBuilder]: For program point L3041(lines 3041 3072) no Hoare annotation was computed. [2021-10-21 20:10:28,809 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:10:28,810 INFO L853 garLoopResultBuilder]: At program point L2877(lines 2871 2879) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,810 INFO L853 garLoopResultBuilder]: At program point L3208(lines 3207 3209) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-21 20:10:28,810 INFO L853 garLoopResultBuilder]: At program point L3208-2(lines 3207 3209) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,811 INFO L853 garLoopResultBuilder]: At program point L3208-1(lines 3207 3209) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,811 INFO L857 garLoopResultBuilder]: For program point L3043(lines 3043 3069) no Hoare annotation was computed. [2021-10-21 20:10:28,811 INFO L857 garLoopResultBuilder]: For program point L2961(lines 2961 2966) no Hoare annotation was computed. [2021-10-21 20:10:28,812 INFO L853 garLoopResultBuilder]: At program point L2895(lines 2889 2897) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,812 INFO L853 garLoopResultBuilder]: At program point L3242(lines 3241 3243) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,812 INFO L857 garLoopResultBuilder]: For program point L3044(line 3044) no Hoare annotation was computed. [2021-10-21 20:10:28,812 INFO L853 garLoopResultBuilder]: At program point L3077(lines 3033 3082) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-21 20:10:28,813 INFO L853 garLoopResultBuilder]: At program point L3226(lines 3225 3227) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,813 INFO L853 garLoopResultBuilder]: At program point L3061(lines 3187 3190) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-21 20:10:28,813 INFO L857 garLoopResultBuilder]: For program point L2929(lines 2929 2933) no Hoare annotation was computed. [2021-10-21 20:10:28,814 INFO L857 garLoopResultBuilder]: For program point L2929-2(lines 2920 2934) no Hoare annotation was computed. [2021-10-21 20:10:28,814 INFO L857 garLoopResultBuilder]: For program point L3045(lines 3045 3050) no Hoare annotation was computed. [2021-10-21 20:10:28,814 INFO L853 garLoopResultBuilder]: At program point L3211(lines 3210 3212) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-21 20:10:28,815 INFO L853 garLoopResultBuilder]: At program point L2766(lines 2761 2768) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,815 INFO L853 garLoopResultBuilder]: At program point L3245-1(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,815 INFO L853 garLoopResultBuilder]: At program point L3245(lines 2954 2959) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,816 INFO L853 garLoopResultBuilder]: At program point L2766-1(lines 2761 2768) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,816 INFO L853 garLoopResultBuilder]: At program point L3245-3(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,816 INFO L853 garLoopResultBuilder]: At program point L3245-2(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,816 INFO L853 garLoopResultBuilder]: At program point L3245-5(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,817 INFO L853 garLoopResultBuilder]: At program point L3245-4(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,817 INFO L853 garLoopResultBuilder]: At program point L3014(lines 2942 3016) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,817 INFO L857 garLoopResultBuilder]: For program point L2981(lines 2981 2988) no Hoare annotation was computed. [2021-10-21 20:10:28,818 INFO L860 garLoopResultBuilder]: At program point L2849-1(lines 2848 2851) the Hoare annotation is: true [2021-10-21 20:10:28,818 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:10:28,818 INFO L860 garLoopResultBuilder]: At program point L2849(lines 2848 2851) the Hoare annotation is: true [2021-10-21 20:10:28,819 INFO L853 garLoopResultBuilder]: At program point L3196(lines 3195 3197) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,819 INFO L860 garLoopResultBuilder]: At program point L3081(lines 3029 3083) the Hoare annotation is: true [2021-10-21 20:10:28,819 INFO L857 garLoopResultBuilder]: For program point L2784(lines 2784 2791) no Hoare annotation was computed. [2021-10-21 20:10:28,819 INFO L857 garLoopResultBuilder]: For program point L2784-2(lines 2784 2791) no Hoare annotation was computed. [2021-10-21 20:10:28,820 INFO L853 garLoopResultBuilder]: At program point L3230(lines 3229 3231) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,820 INFO L857 garLoopResultBuilder]: For program point L2784-1(lines 2784 2791) no Hoare annotation was computed. [2021-10-21 20:10:28,820 INFO L853 garLoopResultBuilder]: At program point L2751(lines 2746 2753) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,821 INFO L857 garLoopResultBuilder]: For program point L2784-4(lines 2784 2791) no Hoare annotation was computed. [2021-10-21 20:10:28,821 INFO L857 garLoopResultBuilder]: For program point L2784-3(lines 2784 2791) no Hoare annotation was computed. [2021-10-21 20:10:28,821 INFO L853 garLoopResultBuilder]: At program point L3214(lines 3213 3215) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-21 20:10:28,821 INFO L853 garLoopResultBuilder]: At program point L2868(lines 2862 2870) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,822 INFO L853 garLoopResultBuilder]: At program point L3248(lines 3247 3249) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,822 INFO L853 garLoopResultBuilder]: At program point L3248-1(lines 3247 3249) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,822 INFO L853 garLoopResultBuilder]: At program point L3199(lines 2911 2938) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,823 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:10:28,823 INFO L857 garLoopResultBuilder]: For program point L3067(line 3067) no Hoare annotation was computed. [2021-10-21 20:10:28,823 INFO L857 garLoopResultBuilder]: For program point L3001(lines 3001 3005) no Hoare annotation was computed. [2021-10-21 20:10:28,824 INFO L857 garLoopResultBuilder]: For program point L3001-2(lines 2950 3015) no Hoare annotation was computed. [2021-10-21 20:10:28,824 INFO L853 garLoopResultBuilder]: At program point L2886(lines 2880 2888) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,824 INFO L857 garLoopResultBuilder]: For program point L3052(line 3052) no Hoare annotation was computed. [2021-10-21 20:10:28,824 INFO L857 garLoopResultBuilder]: For program point L2920(lines 2920 2934) no Hoare annotation was computed. [2021-10-21 20:10:28,825 INFO L853 garLoopResultBuilder]: At program point L3234(lines 3233 3235) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,825 INFO L857 garLoopResultBuilder]: For program point L2970(lines 2970 2990) no Hoare annotation was computed. [2021-10-21 20:10:28,825 INFO L857 garLoopResultBuilder]: For program point L2970-2(lines 2970 2990) no Hoare annotation was computed. [2021-10-21 20:10:28,826 INFO L853 garLoopResultBuilder]: At program point L3218(lines 3217 3219) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,826 INFO L857 garLoopResultBuilder]: For program point L3053(lines 3053 3065) no Hoare annotation was computed. [2021-10-21 20:10:28,826 INFO L853 garLoopResultBuilder]: At program point L3202(lines 3201 3203) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,826 INFO L853 garLoopResultBuilder]: At program point L3202-1(lines 3201 3203) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,827 INFO L857 garLoopResultBuilder]: For program point L2922(lines 2922 2926) no Hoare annotation was computed. [2021-10-21 20:10:28,827 INFO L853 garLoopResultBuilder]: At program point L2790(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,827 INFO L853 garLoopResultBuilder]: At program point L2790-2(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,828 INFO L853 garLoopResultBuilder]: At program point L2790-1(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,828 INFO L853 garLoopResultBuilder]: At program point L2790-4(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,828 INFO L853 garLoopResultBuilder]: At program point L2790-3(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,829 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:10:28,829 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3089) no Hoare annotation was computed. [2021-10-21 20:10:28,829 INFO L857 garLoopResultBuilder]: For program point L2774(lines 2774 2776) no Hoare annotation was computed. [2021-10-21 20:10:28,829 INFO L857 garLoopResultBuilder]: For program point L2774-2(lines 2774 2776) no Hoare annotation was computed. [2021-10-21 20:10:28,830 INFO L857 garLoopResultBuilder]: For program point L2774-1(lines 2774 2776) no Hoare annotation was computed. [2021-10-21 20:10:28,830 INFO L857 garLoopResultBuilder]: For program point L2774-4(lines 2774 2776) no Hoare annotation was computed. [2021-10-21 20:10:28,830 INFO L857 garLoopResultBuilder]: For program point L2774-3(lines 2774 2776) no Hoare annotation was computed. [2021-10-21 20:10:28,830 INFO L860 garLoopResultBuilder]: At program point L3187(lines 3184 3193) the Hoare annotation is: true [2021-10-21 20:10:28,831 INFO L857 garLoopResultBuilder]: For program point L3088(line 3088) no Hoare annotation was computed. [2021-10-21 20:10:28,831 INFO L857 garLoopResultBuilder]: For program point L3055(lines 3055 3058) no Hoare annotation was computed. [2021-10-21 20:10:28,831 INFO L857 garLoopResultBuilder]: For program point L3055-2(lines 3053 3064) no Hoare annotation was computed. [2021-10-21 20:10:28,832 INFO L853 garLoopResultBuilder]: At program point L2758(lines 2754 2760) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,832 INFO L853 garLoopResultBuilder]: At program point L2758-1(lines 2754 2760) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,832 INFO L857 garLoopResultBuilder]: For program point L3039(lines 3039 3076) no Hoare annotation was computed. [2021-10-21 20:10:28,832 INFO L857 garLoopResultBuilder]: For program point L2775(line 2775) no Hoare annotation was computed. [2021-10-21 20:10:28,833 INFO L857 garLoopResultBuilder]: For program point L2775-2(line 2775) no Hoare annotation was computed. [2021-10-21 20:10:28,833 INFO L857 garLoopResultBuilder]: For program point L2775-4(line 2775) no Hoare annotation was computed. [2021-10-21 20:10:28,833 INFO L857 garLoopResultBuilder]: For program point L2775-6(line 2775) no Hoare annotation was computed. [2021-10-21 20:10:28,833 INFO L853 garLoopResultBuilder]: At program point L3023(lines 3017 3025) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-21 20:10:28,834 INFO L857 garLoopResultBuilder]: For program point L2775-8(line 2775) no Hoare annotation was computed. [2021-10-21 20:10:28,834 INFO L853 garLoopResultBuilder]: At program point L3238(lines 3237 3239) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,834 INFO L853 garLoopResultBuilder]: At program point L3205(lines 3204 3206) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,835 INFO L857 garLoopResultBuilder]: For program point L3040(line 3040) no Hoare annotation was computed. [2021-10-21 20:10:28,835 INFO L853 garLoopResultBuilder]: At program point L3222(lines 3221 3223) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-21 20:10:28,835 INFO L853 garLoopResultBuilder]: At program point L3255(lines 3254 3256) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,835 INFO L853 garLoopResultBuilder]: At program point L2743(lines 2739 2745) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,836 INFO L853 garLoopResultBuilder]: At program point L2727(lines 2724 2729) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-21 20:10:28,836 INFO L857 garLoopResultBuilder]: For program point L3074(line 3074) no Hoare annotation was computed. [2021-10-21 20:10:28,841 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:10:28,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:10:28 BoogieIcfgContainer [2021-10-21 20:10:28,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:10:28,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:10:28,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:10:28,872 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:10:28,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:27" (3/4) ... [2021-10-21 20:10:28,876 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:10:28,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2021-10-21 20:10:28,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-10-21 20:10:28,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-21 20:10:28,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:10:28,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:10:29,049 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:10:29,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:10:29,052 INFO L168 Benchmark]: Toolchain (without parser) took 4912.62 ms. Allocated memory was 113.2 MB in the beginning and 197.1 MB in the end (delta: 83.9 MB). Free memory was 67.3 MB in the beginning and 132.5 MB in the end (delta: -65.2 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,052 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 113.2 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:29,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1510.94 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 67.1 MB in the beginning and 92.2 MB in the end (delta: -25.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.35 ms. Allocated memory is still 136.3 MB. Free memory was 92.2 MB in the beginning and 88.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,054 INFO L168 Benchmark]: Boogie Preprocessor took 148.77 ms. Allocated memory is still 136.3 MB. Free memory was 88.0 MB in the beginning and 83.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,054 INFO L168 Benchmark]: RCFGBuilder took 1235.31 ms. Allocated memory is still 136.3 MB. Free memory was 83.8 MB in the beginning and 74.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,055 INFO L168 Benchmark]: TraceAbstraction took 1673.41 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 73.9 MB in the beginning and 146.1 MB in the end (delta: -72.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,055 INFO L168 Benchmark]: Witness Printer took 178.36 ms. Allocated memory is still 197.1 MB. Free memory was 145.1 MB in the beginning and 132.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 113.2 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1510.94 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 67.1 MB in the beginning and 92.2 MB in the end (delta: -25.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 157.35 ms. Allocated memory is still 136.3 MB. Free memory was 92.2 MB in the beginning and 88.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 148.77 ms. Allocated memory is still 136.3 MB. Free memory was 88.0 MB in the beginning and 83.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1235.31 ms. Allocated memory is still 136.3 MB. Free memory was 83.8 MB in the beginning and 74.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1673.41 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 73.9 MB in the beginning and 146.1 MB in the end (delta: -72.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * Witness Printer took 178.36 ms. Allocated memory is still 197.1 MB. Free memory was 145.1 MB in the beginning and 132.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3089]: 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 1 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1571.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 14.9ms, AutomataDifference: 315.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 379.2ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 326 SDtfs, 189 SDslu, 229 SDs, 0 SdLazy, 28 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 97.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 49.5ms AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 103 NumberOfFragments, 298 HoareAnnotationTreeSize, 50 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 124.2ms HoareSimplificationTime, 50 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 232.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 28.1ms SsaConstructionTime, 194.3ms SatisfiabilityAnalysisTime, 336.8ms InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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: 3225]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2871]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2761]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3187]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3204]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3213]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2777]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2862]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2911]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3017]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3207]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2777]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2754]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3233]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2754]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3029]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3247]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3207]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3221]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2777]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2942]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3229]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2739]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2777]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3217]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2777]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2880]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3237]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2761]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2724]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3210]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2954]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3207]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3247]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2889]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:10:29,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca374c93-139c-4bc5-b453-07389e6e1f95/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...