./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1756e51675f6129782479a13cdab3bc8b369512 .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1756e51675f6129782479a13cdab3bc8b369512 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:38:50,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:38:50,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:38:50,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:38:50,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:38:50,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:38:50,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:38:50,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:38:50,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:38:50,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:38:50,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:38:50,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:38:50,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:38:50,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:38:50,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:38:50,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:38:50,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:38:50,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:38:50,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:38:50,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:38:50,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:38:50,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:38:50,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:38:50,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:38:50,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:38:50,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:38:50,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:38:50,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:38:50,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:38:50,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:38:50,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:38:50,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:38:50,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:38:50,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:38:50,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:38:50,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:38:50,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:38:50,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:38:50,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:38:50,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:38:50,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:38:50,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-29 19:38:50,239 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:38:50,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:38:50,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:38:50,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:38:50,243 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:38:50,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:38:50,244 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:38:50,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:38:50,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:38:50,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:38:50,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:38:50,246 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 19:38:50,246 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 19:38:50,246 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 19:38:50,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:38:50,247 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 19:38:50,247 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:38:50,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:38:50,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:38:50,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:38:50,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:38:50,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:38:50,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:38:50,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:38:50,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:38:50,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:38:50,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:38:50,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:38:50,250 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-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1756e51675f6129782479a13cdab3bc8b369512 [2020-11-29 19:38:50,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:38:50,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:38:50,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:38:50,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:38:50,535 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:38:50,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i [2020-11-29 19:38:50,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data/37c0d2c74/cd7267138f8b4a6faa030c91f424fc04/FLAGb44a11519 [2020-11-29 19:38:51,177 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:38:51,178 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i [2020-11-29 19:38:51,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data/37c0d2c74/cd7267138f8b4a6faa030c91f424fc04/FLAGb44a11519 [2020-11-29 19:38:51,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data/37c0d2c74/cd7267138f8b4a6faa030c91f424fc04 [2020-11-29 19:38:51,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:38:51,476 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 19:38:51,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:38:51,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:38:51,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:38:51,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:38:51" (1/1) ... [2020-11-29 19:38:51,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6223e477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:51, skipping insertion in model container [2020-11-29 19:38:51,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:38:51" (1/1) ... [2020-11-29 19:38:51,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:38:51,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:38:51,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:38:52,009 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-29 19:38:52,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38af3c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:52, skipping insertion in model container [2020-11-29 19:38:52,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:38:52,010 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-29 19:38:52,018 INFO L168 Benchmark]: Toolchain (without parser) took 540.38 ms. Allocated memory is still 104.9 MB. Free memory was 76.8 MB in the beginning and 76.3 MB in the end (delta: 520.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:52,019 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 104.9 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:38:52,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.19 ms. Allocated memory is still 104.9 MB. Free memory was 76.6 MB in the beginning and 76.3 MB in the end (delta: 306.4 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:52,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 104.9 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 533.19 ms. Allocated memory is still 104.9 MB. Free memory was 76.6 MB in the beginning and 76.3 MB in the end (delta: 306.4 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:38:54,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:38:54,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:38:54,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:38:54,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:38:54,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:38:54,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:38:54,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:38:54,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:38:54,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:38:54,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:38:54,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:38:54,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:38:54,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:38:54,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:38:54,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:38:54,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:38:54,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:38:54,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:38:54,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:38:54,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:38:54,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:38:54,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:38:54,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:38:54,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:38:54,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:38:54,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:38:54,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:38:54,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:38:54,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:38:54,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:38:54,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:38:54,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:38:54,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:38:54,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:38:54,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:38:54,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:38:54,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:38:54,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:38:54,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:38:54,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:38:54,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-29 19:38:54,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:38:54,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:38:54,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:38:54,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:38:54,265 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:38:54,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:38:54,265 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:38:54,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:38:54,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:38:54,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:38:54,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:38:54,267 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 19:38:54,268 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 19:38:54,268 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 19:38:54,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:38:54,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 19:38:54,269 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 19:38:54,269 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 19:38:54,269 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:38:54,271 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:38:54,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:38:54,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:38:54,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:38:54,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:38:54,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:38:54,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:38:54,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:38:54,281 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 19:38:54,282 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 19:38:54,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:38:54,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 19:38:54,282 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1756e51675f6129782479a13cdab3bc8b369512 [2020-11-29 19:38:54,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:38:54,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:38:54,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:38:54,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:38:54,695 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:38:54,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i [2020-11-29 19:38:54,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data/66da6c6d2/d851a5623061442aba865bcccf517c55/FLAGccff2768a [2020-11-29 19:38:55,438 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:38:55,439 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/sv-benchmarks/c/ldv-memsafety/memleaks_test15-1.i [2020-11-29 19:38:55,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data/66da6c6d2/d851a5623061442aba865bcccf517c55/FLAGccff2768a [2020-11-29 19:38:55,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/data/66da6c6d2/d851a5623061442aba865bcccf517c55 [2020-11-29 19:38:55,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:38:55,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 19:38:55,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:38:55,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:38:55,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:38:55,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:38:55" (1/1) ... [2020-11-29 19:38:55,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2015ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:55, skipping insertion in model container [2020-11-29 19:38:55,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:38:55" (1/1) ... [2020-11-29 19:38:55,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:38:55,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:38:56,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:38:56,229 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-29 19:38:56,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:38:56,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:38:56,364 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:38:56,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:38:56,542 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:38:56,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56 WrapperNode [2020-11-29 19:38:56,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:38:56,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:38:56,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:38:56,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:38:56,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56" (1/1) ... [2020-11-29 19:38:56,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56" (1/1) ... [2020-11-29 19:38:56,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56" (1/1) ... [2020-11-29 19:38:56,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56" (1/1) ... [2020-11-29 19:38:56,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56" (1/1) ... [2020-11-29 19:38:56,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56" (1/1) ... [2020-11-29 19:38:56,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56" (1/1) ... [2020-11-29 19:38:56,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:38:56,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:38:56,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:38:56,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:38:56,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:38:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-29 19:38:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:38:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 19:38:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 19:38:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-29 19:38:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-29 19:38:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-29 19:38:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-29 19:38:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-29 19:38:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-29 19:38:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-29 19:38:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-29 19:38:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-29 19:38:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-29 19:38:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-29 19:38:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-29 19:38:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-29 19:38:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-29 19:38:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-29 19:38:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-29 19:38:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-29 19:38:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-29 19:38:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-29 19:38:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-29 19:38:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-29 19:38:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-29 19:38:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-29 19:38:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-29 19:38:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-29 19:38:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-29 19:38:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-29 19:38:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-29 19:38:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-29 19:38:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_get_drvdata [2020-11-29 19:38:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2020-11-29 19:38:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_arvo_device_struct [2020-11-29 19:38:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_init_specials_unsafe [2020-11-29 19:38:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure lvd_arvo_remove_specials [2020-11-29 19:38:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_probe_unsafe [2020-11-29 19:38:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_arvo_remove [2020-11-29 19:38:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-29 19:38:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-29 19:38:56,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-29 19:38:56,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-29 19:38:56,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-29 19:38:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-29 19:38:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-29 19:38:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-29 19:38:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-29 19:38:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-29 19:38:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-29 19:38:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-29 19:38:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-29 19:38:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-29 19:38:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-29 19:38:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-29 19:38:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-29 19:38:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-29 19:38:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-29 19:38:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-29 19:38:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-29 19:38:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-29 19:38:56,776 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-29 19:38:56,776 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-29 19:38:56,776 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-29 19:38:56,776 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-29 19:38:56,776 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-29 19:38:56,776 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-29 19:38:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-29 19:38:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-29 19:38:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-29 19:38:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-29 19:38:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-29 19:38:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-29 19:38:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-29 19:38:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-29 19:38:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-29 19:38:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-29 19:38:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-29 19:38:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-29 19:38:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-29 19:38:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-29 19:38:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-29 19:38:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-29 19:38:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-29 19:38:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-29 19:38:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-29 19:38:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-29 19:38:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-29 19:38:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-29 19:38:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-29 19:38:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-29 19:38:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-29 19:38:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-29 19:38:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-29 19:38:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-29 19:38:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-29 19:38:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-29 19:38:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-29 19:38:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-29 19:38:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-29 19:38:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-29 19:38:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-29 19:38:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-29 19:38:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-29 19:38:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-29 19:38:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-29 19:38:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-29 19:38:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-29 19:38:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-29 19:38:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-29 19:38:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-29 19:38:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-29 19:38:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-29 19:38:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-29 19:38:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-29 19:38:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-29 19:38:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-29 19:38:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-29 19:38:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-29 19:38:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-29 19:38:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-29 19:38:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-29 19:38:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-29 19:38:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-29 19:38:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-29 19:38:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-29 19:38:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-29 19:38:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-29 19:38:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-29 19:38:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-29 19:38:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-29 19:38:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-29 19:38:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-29 19:38:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-29 19:38:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-29 19:38:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-29 19:38:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-29 19:38:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-29 19:38:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-29 19:38:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-29 19:38:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-29 19:38:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-29 19:38:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-29 19:38:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-29 19:38:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-29 19:38:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-29 19:38:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-29 19:38:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-29 19:38:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-29 19:38:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-29 19:38:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-29 19:38:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-29 19:38:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-29 19:38:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-29 19:38:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-29 19:38:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-29 19:38:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-29 19:38:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-29 19:38:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 19:38:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-29 19:38:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-29 19:38:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-29 19:38:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 19:38:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-29 19:38:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-29 19:38:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-29 19:38:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 19:38:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-29 19:38:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-29 19:38:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-29 19:38:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-29 19:38:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-29 19:38:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-29 19:38:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:38:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-29 19:38:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-29 19:38:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-29 19:38:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-29 19:38:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-29 19:38:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 19:38:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 19:38:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-29 19:38:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-29 19:38:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 19:38:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-29 19:38:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-29 19:38:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-29 19:38:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-29 19:38:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-29 19:38:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-29 19:38:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-29 19:38:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-29 19:38:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-29 19:38:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-29 19:38:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-29 19:38:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-29 19:38:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-29 19:38:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-29 19:38:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_get_drvdata [2020-11-29 19:38:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2020-11-29 19:38:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_arvo_device_struct [2020-11-29 19:38:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_init_specials_unsafe [2020-11-29 19:38:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-29 19:38:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure lvd_arvo_remove_specials [2020-11-29 19:38:56,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_probe_unsafe [2020-11-29 19:38:56,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_arvo_remove [2020-11-29 19:38:56,799 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-29 19:38:56,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-29 19:38:56,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-29 19:38:56,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-29 19:38:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:38:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 19:38:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:38:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 19:38:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-11-29 19:38:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-29 19:38:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2020-11-29 19:38:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-29 19:38:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-29 19:38:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-29 19:38:57,523 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 19:38:58,119 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 19:38:58,737 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:38:58,739 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-29 19:38:58,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:38:58 BoogieIcfgContainer [2020-11-29 19:38:58,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:38:58,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:38:58,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:38:58,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:38:58,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:38:55" (1/3) ... [2020-11-29 19:38:58,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665fe2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:38:58, skipping insertion in model container [2020-11-29 19:38:58,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:56" (2/3) ... [2020-11-29 19:38:58,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665fe2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:38:58, skipping insertion in model container [2020-11-29 19:38:58,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:38:58" (3/3) ... [2020-11-29 19:38:58,754 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test15-1.i [2020-11-29 19:38:58,765 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:38:58,771 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 116 error locations. [2020-11-29 19:38:58,782 INFO L253 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2020-11-29 19:38:58,800 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:38:58,800 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-29 19:38:58,801 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:38:58,801 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:38:58,801 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:38:58,801 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:38:58,801 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:38:58,801 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:38:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-11-29 19:38:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:38:58,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:58,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:58,831 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 19:38:58,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:58,837 INFO L82 PathProgramCache]: Analyzing trace with hash 2015920707, now seen corresponding path program 1 times [2020-11-29 19:38:58,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:38:58,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334015188] [2020-11-29 19:38:58,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 19:38:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:59,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 19:38:59,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:38:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:59,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:38:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:59,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334015188] [2020-11-29 19:38:59,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:38:59,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2020-11-29 19:38:59,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629517384] [2020-11-29 19:38:59,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:38:59,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:38:59,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:38:59,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:38:59,321 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 6 states. [2020-11-29 19:38:59,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:59,454 INFO L93 Difference]: Finished difference Result 174 states and 185 transitions. [2020-11-29 19:38:59,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:38:59,457 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-11-29 19:38:59,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:59,470 INFO L225 Difference]: With dead ends: 174 [2020-11-29 19:38:59,470 INFO L226 Difference]: Without dead ends: 171 [2020-11-29 19:38:59,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:38:59,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-29 19:38:59,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-11-29 19:38:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-11-29 19:38:59,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 182 transitions. [2020-11-29 19:38:59,555 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 182 transitions. Word has length 20 [2020-11-29 19:38:59,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:59,556 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 182 transitions. [2020-11-29 19:38:59,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:38:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 182 transitions. [2020-11-29 19:38:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:38:59,558 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:59,558 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:59,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 19:38:59,760 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 19:38:59,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:59,760 INFO L82 PathProgramCache]: Analyzing trace with hash -19424916, now seen corresponding path program 1 times [2020-11-29 19:38:59,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:38:59,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323688208] [2020-11-29 19:38:59,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 19:39:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:39:00,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 19:39:00,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:39:00,084 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:39:00,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:39:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:39:00,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323688208] [2020-11-29 19:39:00,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:39:00,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2020-11-29 19:39:00,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729610175] [2020-11-29 19:39:00,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:39:00,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:39:00,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:39:00,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:39:00,178 INFO L87 Difference]: Start difference. First operand 171 states and 182 transitions. Second operand 6 states. [2020-11-29 19:39:00,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:39:00,359 INFO L93 Difference]: Finished difference Result 171 states and 181 transitions. [2020-11-29 19:39:00,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:39:00,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-11-29 19:39:00,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:39:00,364 INFO L225 Difference]: With dead ends: 171 [2020-11-29 19:39:00,365 INFO L226 Difference]: Without dead ends: 171 [2020-11-29 19:39:00,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:39:00,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-29 19:39:00,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-11-29 19:39:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-11-29 19:39:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 181 transitions. [2020-11-29 19:39:00,389 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 181 transitions. Word has length 29 [2020-11-29 19:39:00,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:39:00,390 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 181 transitions. [2020-11-29 19:39:00,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:39:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 181 transitions. [2020-11-29 19:39:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 19:39:00,392 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:39:00,392 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:39:00,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 19:39:00,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 19:39:00,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:39:00,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1436515094, now seen corresponding path program 1 times [2020-11-29 19:39:00,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:39:00,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421675429] [2020-11-29 19:39:00,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 19:39:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:39:00,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 19:39:00,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:39:00,942 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:39:00,943 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:39:00,946 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:39:00,947 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:39:00,947 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-29 19:39:01,050 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:39:01,050 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:39:01,053 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:39:01,054 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:39:01,054 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:6, output treesize:5 [2020-11-29 19:39:01,133 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:39:01,133 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-11-29 19:39:01,134 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:39:01,160 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-11-29 19:39:01,161 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:39:01,161 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2020-11-29 19:39:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:39:01,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:39:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:39:01,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421675429] [2020-11-29 19:39:01,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:39:01,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 9 [2020-11-29 19:39:01,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345695704] [2020-11-29 19:39:01,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 19:39:01,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:39:01,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 19:39:01,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-29 19:39:01,422 INFO L87 Difference]: Start difference. First operand 171 states and 181 transitions. Second operand 10 states. [2020-11-29 19:41:13,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:13,312 INFO L93 Difference]: Finished difference Result 210 states and 227 transitions. [2020-11-29 19:41:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 19:41:13,313 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-11-29 19:41:13,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:13,316 INFO L225 Difference]: With dead ends: 210 [2020-11-29 19:41:13,316 INFO L226 Difference]: Without dead ends: 210 [2020-11-29 19:41:13,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 63 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=54, Invalid=154, Unknown=2, NotChecked=0, Total=210 [2020-11-29 19:41:13,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-11-29 19:41:13,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 185. [2020-11-29 19:41:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-11-29 19:41:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 202 transitions. [2020-11-29 19:41:13,332 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 202 transitions. Word has length 38 [2020-11-29 19:41:13,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:13,333 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 202 transitions. [2020-11-29 19:41:13,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 19:41:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 202 transitions. [2020-11-29 19:41:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 19:41:13,334 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:13,335 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:13,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 19:41:13,545 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 19:41:13,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:13,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1436515095, now seen corresponding path program 1 times [2020-11-29 19:41:13,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:41:13,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569203294] [2020-11-29 19:41:13,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 19:41:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:13,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-29 19:41:13,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:41:13,843 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:41:13,843 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:41:13,856 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:41:13,860 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:41:13,861 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:41:13,872 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:41:13,872 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:41:13,872 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-11-29 19:41:16,102 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-11-29 19:41:16,103 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:41:16,107 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:41:16,111 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:41:16,111 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:41:16,115 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:41:16,116 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:41:16,116 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2020-11-29 19:41:16,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 19:41:16,163 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-11-29 19:41:16,164 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:41:16,183 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:41:16,198 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:41:16,198 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-11-29 19:41:16,199 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:41:16,214 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:41:16,218 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:41:16,219 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2020-11-29 19:41:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:41:16,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:41:16,380 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:41:18,426 WARN L838 $PredicateComparison]: unable to prove that (and (or (bvule (bvadd c_entry_point_~intf~2.offset (_ bv4 32)) (bvadd c_entry_point_~intf~2.offset (_ bv8 32))) (forall ((|v_ldv_zalloc_#t~malloc13.base_33| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_zalloc_#t~malloc13.base_33|) (_ bv0 1))))) (forall ((v_ldv_zalloc_~size_31 (_ BitVec 32)) (|v_ldv_zalloc_#t~malloc13.base_33| (_ BitVec 32))) (or (not (= (select |c_#valid| |v_ldv_zalloc_#t~malloc13.base_33|) (_ bv0 1))) (bvule (bvadd c_entry_point_~intf~2.offset (_ bv8 32)) (select (store |c_#length| |v_ldv_zalloc_#t~malloc13.base_33| v_ldv_zalloc_~size_31) c_entry_point_~intf~2.base))))) is different from false [2020-11-29 19:41:18,436 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:41:18,441 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:41:18,444 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:41:18,449 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:41:18,455 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:41:25,664 WARN L193 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-11-29 19:41:25,755 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:41:27,842 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_entry_point_~intf~2.base_BEFORE_CALL_4 (_ BitVec 32)) (v_ldv_zalloc_~size_32 (_ BitVec 32)) (v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ BitVec 32)) (|v_ldv_zalloc_#t~malloc13.base_34| (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)))) (or (exists ((v_ldv_zalloc_~size_31 (_ BitVec 32)) (|v_ldv_zalloc_#t~malloc13.base_33| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_zalloc_#t~malloc13.base_33|)) (not (bvule (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv8 32)) (select (store |c_old(#length)| |v_ldv_zalloc_#t~malloc13.base_33| v_ldv_zalloc_~size_31) v_entry_point_~intf~2.base_BEFORE_CALL_4))))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_zalloc_#t~malloc13.base_34|))) (bvule .cse0 (select (store |c_#length| |v_ldv_zalloc_#t~malloc13.base_34| v_ldv_zalloc_~size_32) v_entry_point_~intf~2.base_BEFORE_CALL_4)) (not (bvule (bvadd v_entry_point_~intf~2.offset_BEFORE_CALL_2 (_ bv4 32)) .cse0))))) (or (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) (forall ((|v_ldv_zalloc_#t~malloc13.base_34| (_ BitVec 32))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_zalloc_#t~malloc13.base_34|)))))) is different from true [2020-11-29 19:41:32,695 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ldv_zalloc_~size_31 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32))) (or (not (= (select |c_#valid| v_prenex_2) (_ bv0 1))) (bvule (bvadd |c_entry_point_#t~ret54.offset| (_ bv8 32)) (select (store |c_#length| v_prenex_2 v_ldv_zalloc_~size_31) |c_entry_point_#t~ret54.base|)))) (or (forall ((|v_ldv_zalloc_#t~malloc13.base_33| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_zalloc_#t~malloc13.base_33|) (_ bv0 1)))) (bvule (bvadd |c_entry_point_#t~ret54.offset| (_ bv4 32)) (bvadd |c_entry_point_#t~ret54.offset| (_ bv8 32))))) is different from false [2020-11-29 19:41:35,086 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 34 [2020-11-29 19:41:35,116 INFO L441 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2020-11-29 19:41:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 19:41:35,123 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:41:35,124 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:41:35,125 INFO L513 ElimStorePlain]: Eliminatee |#length| vanished before elimination [2020-11-29 19:41:35,125 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:41:35,125 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:27, output treesize:1 [2020-11-29 19:41:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:41:35,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569203294] [2020-11-29 19:41:35,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:41:35,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2020-11-29 19:41:35,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379056497] [2020-11-29 19:41:35,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-29 19:41:35,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:41:35,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-29 19:41:35,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=171, Unknown=6, NotChecked=84, Total=306 [2020-11-29 19:41:35,157 INFO L87 Difference]: Start difference. First operand 185 states and 202 transitions. Second operand 18 states. [2020-11-29 19:41:39,508 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 55 [2020-11-29 19:41:41,830 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 52 [2020-11-29 19:42:16,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:42:16,689 INFO L93 Difference]: Finished difference Result 202 states and 223 transitions. [2020-11-29 19:42:16,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-29 19:42:16,690 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 38 [2020-11-29 19:42:16,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:42:16,692 INFO L225 Difference]: With dead ends: 202 [2020-11-29 19:42:16,692 INFO L226 Difference]: Without dead ends: 202 [2020-11-29 19:42:16,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 61 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 27.4s TimeCoverageRelationStatistics Valid=97, Invalid=371, Unknown=6, NotChecked=126, Total=600 [2020-11-29 19:42:16,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-11-29 19:42:16,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 180. [2020-11-29 19:42:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-11-29 19:42:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 195 transitions. [2020-11-29 19:42:16,708 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 195 transitions. Word has length 38 [2020-11-29 19:42:16,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:42:16,709 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 195 transitions. [2020-11-29 19:42:16,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-29 19:42:16,709 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 195 transitions. [2020-11-29 19:42:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:42:16,711 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:42:16,711 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:42:16,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 19:42:16,918 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 19:42:16,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:16,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2009561276, now seen corresponding path program 1 times [2020-11-29 19:42:16,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:42:16,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657171115] [2020-11-29 19:42:16,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-29 19:42:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:17,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 19:42:17,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:42:17,249 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-29 19:42:17,249 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:17,263 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:17,264 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:42:17,264 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:10 [2020-11-29 19:42:17,297 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2020-11-29 19:42:17,297 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:17,300 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:17,300 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:42:17,300 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:4 [2020-11-29 19:42:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:42:17,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:42:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:42:17,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657171115] [2020-11-29 19:42:17,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:42:17,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2020-11-29 19:42:17,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108613983] [2020-11-29 19:42:17,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 19:42:17,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:42:17,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:42:17,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:42:17,397 INFO L87 Difference]: Start difference. First operand 180 states and 195 transitions. Second operand 7 states. [2020-11-29 19:42:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:42:17,596 INFO L93 Difference]: Finished difference Result 177 states and 190 transitions. [2020-11-29 19:42:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 19:42:17,611 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2020-11-29 19:42:17,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:42:17,613 INFO L225 Difference]: With dead ends: 177 [2020-11-29 19:42:17,613 INFO L226 Difference]: Without dead ends: 177 [2020-11-29 19:42:17,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-29 19:42:17,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-11-29 19:42:17,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2020-11-29 19:42:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-11-29 19:42:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 190 transitions. [2020-11-29 19:42:17,635 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 190 transitions. Word has length 43 [2020-11-29 19:42:17,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:42:17,636 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 190 transitions. [2020-11-29 19:42:17,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 19:42:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 190 transitions. [2020-11-29 19:42:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:42:17,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:42:17,637 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:42:17,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 19:42:17,838 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 19:42:17,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:17,839 INFO L82 PathProgramCache]: Analyzing trace with hash 2009562273, now seen corresponding path program 1 times [2020-11-29 19:42:17,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:42:17,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777508509] [2020-11-29 19:42:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-29 19:42:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:18,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 19:42:18,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:42:18,108 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:42:18,108 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:18,111 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:18,111 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:42:18,111 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-29 19:42:18,153 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-29 19:42:18,154 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:18,171 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:18,171 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:42:18,171 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:13 [2020-11-29 19:42:18,197 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2020-11-29 19:42:18,198 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:18,201 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:18,201 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:42:18,201 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2020-11-29 19:42:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:42:18,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:42:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:42:18,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777508509] [2020-11-29 19:42:18,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:42:18,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 7 [2020-11-29 19:42:18,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171161058] [2020-11-29 19:42:18,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 19:42:18,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:42:18,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 19:42:18,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:42:18,322 INFO L87 Difference]: Start difference. First operand 177 states and 190 transitions. Second operand 8 states. [2020-11-29 19:42:19,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:42:19,411 INFO L93 Difference]: Finished difference Result 184 states and 199 transitions. [2020-11-29 19:42:19,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 19:42:19,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-11-29 19:42:19,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:42:19,413 INFO L225 Difference]: With dead ends: 184 [2020-11-29 19:42:19,413 INFO L226 Difference]: Without dead ends: 184 [2020-11-29 19:42:19,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-29 19:42:19,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-11-29 19:42:19,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 176. [2020-11-29 19:42:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-11-29 19:42:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 189 transitions. [2020-11-29 19:42:19,428 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 189 transitions. Word has length 43 [2020-11-29 19:42:19,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:42:19,429 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 189 transitions. [2020-11-29 19:42:19,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 19:42:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 189 transitions. [2020-11-29 19:42:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:42:19,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:42:19,432 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:42:19,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-29 19:42:19,648 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 19:42:19,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:19,648 INFO L82 PathProgramCache]: Analyzing trace with hash 2009562274, now seen corresponding path program 1 times [2020-11-29 19:42:19,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:42:19,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903294102] [2020-11-29 19:42:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-29 19:42:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:19,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-29 19:42:19,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:42:19,875 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:42:19,876 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:19,882 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:19,882 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:42:19,882 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 19:42:19,969 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-29 19:42:19,969 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:19,986 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:19,994 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-29 19:42:19,994 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:20,013 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:20,013 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:42:20,013 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2020-11-29 19:42:20,058 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-11-29 19:42:20,059 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:20,073 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:20,077 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2020-11-29 19:42:20,077 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:20,090 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:20,091 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:42:20,091 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2020-11-29 19:42:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:42:20,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:42:20,580 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:42:20,583 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:42:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:42:20,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903294102] [2020-11-29 19:42:20,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:42:20,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-11-29 19:42:20,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565991339] [2020-11-29 19:42:20,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-29 19:42:20,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:42:20,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-29 19:42:20,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-29 19:42:20,626 INFO L87 Difference]: Start difference. First operand 176 states and 189 transitions. Second operand 12 states. [2020-11-29 19:42:20,935 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 19:42:22,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:42:22,345 INFO L93 Difference]: Finished difference Result 176 states and 189 transitions. [2020-11-29 19:42:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 19:42:22,347 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 43 [2020-11-29 19:42:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:42:22,349 INFO L225 Difference]: With dead ends: 176 [2020-11-29 19:42:22,349 INFO L226 Difference]: Without dead ends: 176 [2020-11-29 19:42:22,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2020-11-29 19:42:22,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-11-29 19:42:22,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 175. [2020-11-29 19:42:22,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-11-29 19:42:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 188 transitions. [2020-11-29 19:42:22,364 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 188 transitions. Word has length 43 [2020-11-29 19:42:22,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:42:22,367 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 188 transitions. [2020-11-29 19:42:22,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-29 19:42:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2020-11-29 19:42:22,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 19:42:22,371 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:42:22,371 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:42:22,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-29 19:42:22,585 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 19:42:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:22,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1545924638, now seen corresponding path program 1 times [2020-11-29 19:42:22,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:42:22,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715599286] [2020-11-29 19:42:22,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-29 19:42:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:22,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-29 19:42:22,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:42:22,840 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:42:22,840 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:22,842 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:22,842 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:42:22,842 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-29 19:42:22,920 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2020-11-29 19:42:22,925 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:22,927 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:22,928 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:42:22,928 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2020-11-29 19:42:22,998 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:22,998 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-11-29 19:42:22,999 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:23,025 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-11-29 19:42:23,026 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:42:23,026 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2020-11-29 19:42:23,091 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:42:23,091 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:23,097 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:23,098 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:42:23,098 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:6, output treesize:5 [2020-11-29 19:42:23,187 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:23,188 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 54 [2020-11-29 19:42:23,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:42:23,195 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:23,225 INFO L625 ElimStorePlain]: treesize reduction 28, result has 44.0 percent of original size [2020-11-29 19:42:23,226 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:42:23,226 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:22 [2020-11-29 19:42:23,271 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-29 19:42:23,271 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:42:23,287 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:23,288 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:42:23,289 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:30 [2020-11-29 19:42:23,354 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2020-11-29 19:42:23,354 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:42:23,364 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:42:23,364 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 19:42:23,365 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:28, output treesize:22 [2020-11-29 19:42:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:42:23,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:42:42,639 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 23 [2020-11-29 19:42:48,968 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 13 [2020-11-29 19:42:51,014 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_zalloc_#t~malloc13.base_78| (_ BitVec 32))) (or (= (bvadd (select (store |c_#valid| |v_ldv_zalloc_#t~malloc13.base_78| (_ bv1 1)) |c_ldv_zalloc_#res.base|) (_ bv1 1)) (_ bv0 1)) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_zalloc_#t~malloc13.base_78|))))) is different from false [2020-11-29 19:42:57,444 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 14 [2020-11-29 19:42:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 4 refuted. 4 times theorem prover too weak. 9 trivial. 4 not checked. [2020-11-29 19:42:57,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715599286] [2020-11-29 19:42:57,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:42:57,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 20 [2020-11-29 19:42:57,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714113655] [2020-11-29 19:42:57,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-11-29 19:42:57,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:42:57,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-11-29 19:42:57,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=295, Unknown=11, NotChecked=36, Total=420 [2020-11-29 19:42:57,461 INFO L87 Difference]: Start difference. First operand 175 states and 188 transitions. Second operand 21 states. [2020-11-29 19:43:16,839 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-29 19:43:20,779 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-11-29 19:47:13,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:47:13,754 INFO L93 Difference]: Finished difference Result 195 states and 211 transitions. [2020-11-29 19:47:13,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-29 19:47:13,768 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 45 [2020-11-29 19:47:13,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:47:13,770 INFO L225 Difference]: With dead ends: 195 [2020-11-29 19:47:13,770 INFO L226 Difference]: Without dead ends: 195 [2020-11-29 19:47:13,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 62 SyntacticMatches, 9 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 38.6s TimeCoverageRelationStatistics Valid=170, Invalid=634, Unknown=12, NotChecked=54, Total=870 [2020-11-29 19:47:13,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-11-29 19:47:13,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 174. [2020-11-29 19:47:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-29 19:47:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 187 transitions. [2020-11-29 19:47:13,777 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 187 transitions. Word has length 45 [2020-11-29 19:47:13,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:47:13,778 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 187 transitions. [2020-11-29 19:47:13,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-11-29 19:47:13,778 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 187 transitions. [2020-11-29 19:47:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 19:47:13,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:47:13,779 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:47:13,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-29 19:47:14,003 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr5REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr0REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr7ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr8ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr1REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr2REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr3REQUIRES_VIOLATION, lvd_arvo_remove_specialsErr6ASSERT_VIOLATIONMEMORY_FREE, lvd_arvo_remove_specialsErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr1REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr5REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr8ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr0REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_arvo_init_specials_unsafeErr4REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr2REQUIRES_VIOLATION, ldv_arvo_init_specials_unsafeErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr1REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr0REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr5REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr4REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr3REQUIRES_VIOLATION, ldv_arvo_init_arvo_device_structErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr13ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr14ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr20ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 19:47:14,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:47:14,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1545924637, now seen corresponding path program 1 times [2020-11-29 19:47:14,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:47:14,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906409779] [2020-11-29 19:47:14,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-29 19:47:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:47:14,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-29 19:47:14,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:47:14,235 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:14,236 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:14,243 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:14,248 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:14,249 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:14,256 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:14,256 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:47:14,257 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-11-29 19:47:14,418 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_3|], 1=[|v_old(#valid)_BEFORE_CALL_9|]} [2020-11-29 19:47:14,426 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:14,426 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:14,436 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:14,440 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2020-11-29 19:47:14,445 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:14,453 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:14,453 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:47:14,453 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:18, output treesize:5 [2020-11-29 19:47:14,510 INFO L441 ElimStorePlain]: Different costs {1=[|v_#length_BEFORE_CALL_5|], 3=[|v_old(#valid)_AFTER_CALL_48|]} [2020-11-29 19:47:14,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 19:47:14,527 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-11-29 19:47:14,527 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:14,549 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:14,579 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:14,580 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-11-29 19:47:14,580 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:14,629 INFO L625 ElimStorePlain]: treesize reduction 14, result has 66.7 percent of original size [2020-11-29 19:47:14,631 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:47:14,631 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:33, output treesize:23 [2020-11-29 19:47:16,773 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-11-29 19:47:16,780 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:16,787 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:16,789 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:16,789 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:16,797 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:16,798 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:47:16,798 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2020-11-29 19:47:16,813 INFO L441 ElimStorePlain]: Different costs {1=[|v_#length_BEFORE_CALL_7|], 3=[|v_old(#valid)_AFTER_CALL_49|]} [2020-11-29 19:47:16,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 19:47:16,820 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-11-29 19:47:16,821 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:16,848 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:16,874 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:16,874 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 30 [2020-11-29 19:47:16,875 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:16,893 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:16,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906409779] [2020-11-29 19:47:16,895 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-29 19:47:16,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1624105745] [2020-11-29 19:47:16,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-29 19:47:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:47:17,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-29 19:47:17,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:47:17,314 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:17,314 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,322 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,325 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:17,325 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,332 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,333 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,333 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-11-29 19:47:17,364 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_5|], 1=[|v_old(#valid)_BEFORE_CALL_11|]} [2020-11-29 19:47:17,367 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:17,367 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,374 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,377 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2020-11-29 19:47:17,378 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,383 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,384 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:47:17,384 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:18, output treesize:5 [2020-11-29 19:47:17,454 INFO L441 ElimStorePlain]: Different costs {1=[|v_#length_BEFORE_CALL_9|], 3=[|v_#valid_BEFORE_CALL_18|]} [2020-11-29 19:47:17,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 19:47:17,461 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-11-29 19:47:17,461 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,492 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,522 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,522 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-11-29 19:47:17,523 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,574 INFO L625 ElimStorePlain]: treesize reduction 14, result has 66.7 percent of original size [2020-11-29 19:47:17,575 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:47:17,575 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:33, output treesize:23 [2020-11-29 19:47:17,593 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-11-29 19:47:17,594 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,598 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,606 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:17,606 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,609 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,610 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,610 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2020-11-29 19:47:17,624 INFO L441 ElimStorePlain]: Different costs {1=[|v_#length_BEFORE_CALL_11|], 3=[|v_old(#valid)_AFTER_CALL_53|]} [2020-11-29 19:47:17,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 19:47:17,631 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-11-29 19:47:17,631 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,657 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,684 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,685 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 30 [2020-11-29 19:47:17,685 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,711 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,712 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-29 19:47:17,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791844628] [2020-11-29 19:47:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0401714-a2bc-43d0-b6e0-3c2196d4bdc8/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:47:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:47:17,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 28 conjunts are in the unsatisfiable core [2020-11-29 19:47:17,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:47:17,975 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:17,975 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:17,987 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:17,992 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:17,992 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,002 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,002 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,002 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-11-29 19:47:18,068 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_7|], 1=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 19:47:18,076 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:18,077 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,087 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,091 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2020-11-29 19:47:18,092 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,100 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,100 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 19:47:18,101 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:18, output treesize:5 [2020-11-29 19:47:18,198 INFO L441 ElimStorePlain]: Different costs {1=[|v_#length_BEFORE_CALL_13|], 3=[|v_old(#valid)_AFTER_CALL_56|]} [2020-11-29 19:47:18,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 19:47:18,203 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-11-29 19:47:18,203 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,221 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,242 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,242 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-11-29 19:47:18,243 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,278 INFO L625 ElimStorePlain]: treesize reduction 14, result has 68.2 percent of original size [2020-11-29 19:47:18,279 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,279 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:25 [2020-11-29 19:47:18,381 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-11-29 19:47:18,382 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,384 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,386 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 19:47:18,387 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,389 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,389 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,389 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:12, output treesize:1 [2020-11-29 19:47:18,400 INFO L441 ElimStorePlain]: Different costs {1=[|v_#length_BEFORE_CALL_15|], 3=[|v_old(#valid)_AFTER_CALL_57|]} [2020-11-29 19:47:18,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 19:47:18,406 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-11-29 19:47:18,406 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,424 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,445 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,446 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 30 [2020-11-29 19:47:18,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:47:18,449 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 19:47:18,478 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:47:18,479 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-29 19:47:18,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:47:18,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-29 19:47:18,479 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-11-29 19:47:18,479 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:47:19,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-29 19:47:19,094 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-29 19:47:19,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:47:19 BoogieIcfgContainer [2020-11-29 19:47:19,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:47:19,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:47:19,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:47:19,096 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:47:19,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:38:58" (3/4) ... [2020-11-29 19:47:19,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:47:19,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:47:19,100 INFO L168 Benchmark]: Toolchain (without parser) took 503450.66 ms. Allocated memory was 75.5 MB in the beginning and 125.8 MB in the end (delta: 50.3 MB). Free memory was 58.7 MB in the beginning and 72.2 MB in the end (delta: -13.5 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:19,101 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 58.5 MB in the beginning and 58.4 MB in the end (delta: 58.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:47:19,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 892.13 ms. Allocated memory is still 75.5 MB. Free memory was 58.5 MB in the beginning and 47.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:19,101 INFO L168 Benchmark]: Boogie Preprocessor took 138.12 ms. Allocated memory is still 75.5 MB. Free memory was 47.5 MB in the beginning and 42.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:19,102 INFO L168 Benchmark]: RCFGBuilder took 2061.09 ms. Allocated memory was 75.5 MB in the beginning and 104.9 MB in the end (delta: 29.4 MB). Free memory was 42.1 MB in the beginning and 55.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:19,102 INFO L168 Benchmark]: TraceAbstraction took 500348.01 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 55.0 MB in the beginning and 72.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:19,103 INFO L168 Benchmark]: Witness Printer took 3.91 ms. Allocated memory is still 125.8 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:47:19,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 58.5 MB in the beginning and 58.4 MB in the end (delta: 58.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 892.13 ms. Allocated memory is still 75.5 MB. Free memory was 58.5 MB in the beginning and 47.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.12 ms. Allocated memory is still 75.5 MB. Free memory was 47.5 MB in the beginning and 42.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2061.09 ms. Allocated memory was 75.5 MB in the beginning and 104.9 MB in the end (delta: 29.4 MB). Free memory was 42.1 MB in the beginning and 55.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 500348.01 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 55.0 MB in the beginning and 72.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.91 ms. Allocated memory is still 125.8 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 828]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L842] CALL entry_point() [L821] CALL, EXPR ldv_zalloc(sizeof(struct ldv_hid_device)) [L533] EXPR, FCALL calloc(size, 1) [L533] return calloc(size, 1); [L821] RET, EXPR ldv_zalloc(sizeof(struct ldv_hid_device)) [L821] struct ldv_hid_device *hdev = (struct ldv_hid_device *)ldv_zalloc(sizeof(struct ldv_hid_device)); [L822] COND FALSE !(!hdev) [L823] CALL, EXPR ldv_zalloc(sizeof(struct ldv_usb_interface)) [L533] EXPR, FCALL calloc(size, 1) [L533] return calloc(size, 1); [L823] RET, EXPR ldv_zalloc(sizeof(struct ldv_usb_interface)) [L823] struct ldv_usb_interface *intf = (struct ldv_usb_interface*)ldv_zalloc(sizeof(struct ldv_usb_interface)); [L824] COND FALSE !(!intf) [L825] CALL, EXPR ldv_zalloc(sizeof(struct ldv_usb_host_interface)) [L533] EXPR, FCALL calloc(size, 1) [L533] return calloc(size, 1); [L825] RET, EXPR ldv_zalloc(sizeof(struct ldv_usb_host_interface)) [L825] intf->cur_altsetting = (struct ldv_usb_host_interface *)ldv_zalloc(sizeof(struct ldv_usb_host_interface)) [L826] EXPR intf->cur_altsetting [L826] COND FALSE !(!intf->cur_altsetting) [L827] EXPR intf->cur_altsetting [L827] intf->cur_altsetting->desc.bInterfaceProtocol = (char)__VERIFIER_nondet_int() [L828] hdev->dev.parent = &intf->dev - StatisticsResult: Ultimate Automizer benchmark data CFG has 54 procedures, 463 locations, 116 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 500.2s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 433.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1138 SDtfs, 1157 SDslu, 4793 SDs, 0 SdLazy, 3614 SolverSat, 322 SolverUnsat, 216 SolverUnknown, 0 SolverNotchecked, 414.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 633 GetRequests, 507 SyntacticMatches, 21 SemanticMatches, 105 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 71.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=3, 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, 8 MinimizatonAttempts, 77 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 58.0s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 582 ConstructedInterpolants, 78 QuantifiedInterpolants, 119569 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1194 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 265/304 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...