./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.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_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 .................................................................................................................................. 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_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:45:04,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:45:04,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:45:05,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:45:05,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:45:05,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:45:05,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:45:05,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:45:05,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:45:05,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:45:05,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:45:05,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:45:05,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:45:05,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:45:05,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:45:05,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:45:05,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:45:05,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:45:05,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:45:05,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:45:05,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:45:05,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:45:05,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:45:05,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:45:05,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:45:05,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:45:05,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:45:05,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:45:05,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:45:05,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:45:05,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:45:05,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:45:05,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:45:05,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:45:05,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:45:05,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:45:05,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:45:05,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:45:05,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:45:05,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:45:05,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:45:05,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-29 18:45:05,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:45:05,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:45:05,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:45:05,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:45:05,186 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:45:05,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:45:05,187 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:45:05,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:45:05,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:45:05,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:45:05,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:45:05,189 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 18:45:05,189 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 18:45:05,189 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 18:45:05,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:45:05,190 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 18:45:05,190 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:45:05,191 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:45:05,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:45:05,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:45:05,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:45:05,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:45:05,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:45:05,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:45:05,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:45:05,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:45:05,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:45:05,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:45:05,195 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_bee5a47b-c334-4880-8ecb-5a697d05305e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 [2020-11-29 18:45:05,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:45:05,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:45:05,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:45:05,539 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:45:05,540 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:45:05,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-11-29 18:45:05,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data/296c6ab79/0102134e22af43458ba404201da35d7e/FLAG7a3f1aed5 [2020-11-29 18:45:06,397 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:45:06,398 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-11-29 18:45:06,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data/296c6ab79/0102134e22af43458ba404201da35d7e/FLAG7a3f1aed5 [2020-11-29 18:45:06,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data/296c6ab79/0102134e22af43458ba404201da35d7e [2020-11-29 18:45:06,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:45:06,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 18:45:06,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:45:06,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:45:06,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:45:06,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:45:06" (1/1) ... [2020-11-29 18:45:06,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ce2e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:06, skipping insertion in model container [2020-11-29 18:45:06,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:45:06" (1/1) ... [2020-11-29 18:45:06,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:45:06,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:45:07,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:45:07,290 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 18:45:07,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f0c4ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:07, skipping insertion in model container [2020-11-29 18:45:07,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:45:07,294 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-29 18:45:07,297 INFO L168 Benchmark]: Toolchain (without parser) took 686.44 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 55.2 MB in the beginning and 77.8 MB in the end (delta: -22.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:45:07,298 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 83.9 MB. Free memory was 41.3 MB in the beginning and 41.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:45:07,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.67 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 77.8 MB in the end (delta: -22.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:45:07,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 83.9 MB. Free memory was 41.3 MB in the beginning and 41.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.67 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 77.8 MB in the end (delta: -22.8 MB). Peak memory consumption was 12.6 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 18:45:10,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:45:10,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:45:10,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:45:10,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:45:10,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:45:10,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:45:10,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:45:10,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:45:10,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:45:10,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:45:10,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:45:10,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:45:10,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:45:10,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:45:10,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:45:10,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:45:10,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:45:10,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:45:10,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:45:10,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:45:10,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:45:10,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:45:10,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:45:10,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:45:10,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:45:10,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:45:10,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:45:10,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:45:10,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:45:10,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:45:10,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:45:10,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:45:10,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:45:10,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:45:10,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:45:10,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:45:10,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:45:10,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:45:10,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:45:10,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:45:10,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-29 18:45:10,410 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:45:10,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:45:10,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:45:10,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:45:10,414 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:45:10,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:45:10,415 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:45:10,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:45:10,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:45:10,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:45:10,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:45:10,417 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 18:45:10,417 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 18:45:10,418 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 18:45:10,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:45:10,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 18:45:10,418 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 18:45:10,419 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 18:45:10,419 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:45:10,419 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:45:10,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:45:10,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:45:10,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:45:10,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:45:10,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:45:10,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:45:10,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:45:10,421 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 18:45:10,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 18:45:10,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:45:10,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:45:10,422 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_bee5a47b-c334-4880-8ecb-5a697d05305e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 [2020-11-29 18:45:10,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:45:10,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:45:11,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:45:11,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:45:11,006 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:45:11,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-11-29 18:45:11,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data/dd00df106/e41e952a62a545c58b7ba86f84c49b53/FLAG0598d7a7b [2020-11-29 18:45:11,904 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:45:11,905 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-11-29 18:45:11,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data/dd00df106/e41e952a62a545c58b7ba86f84c49b53/FLAG0598d7a7b [2020-11-29 18:45:12,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/data/dd00df106/e41e952a62a545c58b7ba86f84c49b53 [2020-11-29 18:45:12,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:45:12,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 18:45:12,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:45:12,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:45:12,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:45:12,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:45:12" (1/1) ... [2020-11-29 18:45:12,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8ba726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:12, skipping insertion in model container [2020-11-29 18:45:12,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:45:12" (1/1) ... [2020-11-29 18:45:12,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:45:12,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:45:12,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:45:12,828 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-29 18:45:12,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:45:12,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:45:12,960 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:45:13,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:45:13,184 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:45:13,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13 WrapperNode [2020-11-29 18:45:13,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:45:13,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:45:13,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:45:13,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:45:13,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13" (1/1) ... [2020-11-29 18:45:13,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13" (1/1) ... [2020-11-29 18:45:13,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13" (1/1) ... [2020-11-29 18:45:13,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13" (1/1) ... [2020-11-29 18:45:13,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13" (1/1) ... [2020-11-29 18:45:13,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13" (1/1) ... [2020-11-29 18:45:13,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13" (1/1) ... [2020-11-29 18:45:13,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:45:13,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:45:13,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:45:13,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:45:13,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 18:45:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-29 18:45:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:45:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 18:45:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 18:45:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-29 18:45:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-29 18:45:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-29 18:45:13,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-29 18:45:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-29 18:45:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-29 18:45:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-29 18:45:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-29 18:45:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-29 18:45:13,445 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-29 18:45:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-29 18:45:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-29 18:45:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-29 18:45:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-29 18:45:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-29 18:45:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-29 18:45:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-29 18:45:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-29 18:45:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-29 18:45:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-29 18:45:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-29 18:45:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-29 18:45:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-29 18:45:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-29 18:45:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-29 18:45:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-29 18:45:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-29 18:45:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-29 18:45:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-29 18:45:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-29 18:45:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-29 18:45:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-29 18:45:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-29 18:45:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-29 18:45:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-29 18:45:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-29 18:45:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-29 18:45:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-29 18:45:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9 [2020-11-29 18:45:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2020-11-29 18:45:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-29 18:45:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-29 18:45:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-29 18:45:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-29 18:45:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-29 18:45:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-29 18:45:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-29 18:45:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-29 18:45:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-29 18:45:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-29 18:45:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-29 18:45:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-29 18:45:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-29 18:45:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-29 18:45:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-29 18:45:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-29 18:45:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-29 18:45:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-29 18:45:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-29 18:45:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-29 18:45:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-29 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-29 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-29 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-29 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-29 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-29 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-29 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-29 18:45:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-29 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-29 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-29 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-29 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-29 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-29 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-29 18:45:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-29 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-29 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-29 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-29 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-29 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-29 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-29 18:45:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-29 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-29 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-29 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-29 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-29 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-29 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-29 18:45:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-29 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-29 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-29 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-29 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-29 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-29 18:45:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-29 18:45:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-29 18:45:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-29 18:45:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-29 18:45:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-29 18:45:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-29 18:45:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-29 18:45:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-29 18:45:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-29 18:45:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-29 18:45:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-29 18:45:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-29 18:45:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-29 18:45:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-29 18:45:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-29 18:45:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-29 18:45:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-29 18:45:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-29 18:45:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-29 18:45:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-29 18:45:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-29 18:45:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-29 18:45:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-29 18:45:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-29 18:45:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-29 18:45:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-29 18:45:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-29 18:45:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-29 18:45:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-29 18:45:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-29 18:45:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-29 18:45:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-29 18:45:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-29 18:45:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-29 18:45:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-29 18:45:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-29 18:45:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-29 18:45:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-29 18:45:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-29 18:45:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-29 18:45:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-29 18:45:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-29 18:45:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-29 18:45:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-29 18:45:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-29 18:45:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-29 18:45:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-29 18:45:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-29 18:45:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-29 18:45:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-29 18:45:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-29 18:45:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-29 18:45:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-29 18:45:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-29 18:45:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-29 18:45:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-29 18:45:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-29 18:45:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-29 18:45:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-29 18:45:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-29 18:45:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-29 18:45:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-29 18:45:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-29 18:45:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-29 18:45:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 18:45:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-29 18:45:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-29 18:45:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-29 18:45:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 18:45:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-29 18:45:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-29 18:45:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-29 18:45:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 18:45:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-29 18:45:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-29 18:45:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-29 18:45:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-29 18:45:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-29 18:45:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-29 18:45:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:45:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-29 18:45:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-29 18:45:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-29 18:45:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-29 18:45:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-29 18:45:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 18:45:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 18:45:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-29 18:45:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-29 18:45:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 18:45:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-29 18:45:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-29 18:45:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-29 18:45:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-29 18:45:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-29 18:45:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-29 18:45:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-29 18:45:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-29 18:45:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-29 18:45:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-29 18:45:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-29 18:45:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-29 18:45:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-29 18:45:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-29 18:45:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9 [2020-11-29 18:45:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2020-11-29 18:45:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-29 18:45:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-29 18:45:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-29 18:45:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:45:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 18:45:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:45:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 18:45:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-29 18:45:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-29 18:45:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-29 18:45:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-29 18:45:14,374 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 18:45:14,933 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 18:45:15,442 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:45:15,443 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-29 18:45:15,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:45:15 BoogieIcfgContainer [2020-11-29 18:45:15,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:45:15,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:45:15,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:45:15,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:45:15,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:45:12" (1/3) ... [2020-11-29 18:45:15,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b09a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:45:15, skipping insertion in model container [2020-11-29 18:45:15,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:45:13" (2/3) ... [2020-11-29 18:45:15,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b09a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:45:15, skipping insertion in model container [2020-11-29 18:45:15,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:45:15" (3/3) ... [2020-11-29 18:45:15,463 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9.i [2020-11-29 18:45:15,477 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:45:15,483 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-11-29 18:45:15,498 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-11-29 18:45:15,534 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:45:15,534 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-29 18:45:15,535 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:45:15,535 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:45:15,535 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:45:15,535 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:45:15,535 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:45:15,535 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:45:15,567 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-11-29 18:45:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:45:15,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:45:15,578 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 18:45:15,580 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, __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_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_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-29 18:45:15,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:45:15,589 INFO L82 PathProgramCache]: Analyzing trace with hash 426051374, now seen corresponding path program 1 times [2020-11-29 18:45:15,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:45:15,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508825265] [2020-11-29 18:45:15,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 18:45:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:15,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:45:15,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:45:15,989 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 18:45:15,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:45:16,130 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 18:45:16,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508825265] [2020-11-29 18:45:16,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:45:16,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-29 18:45:16,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245321288] [2020-11-29 18:45:16,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:45:16,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:45:16,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:45:16,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:45:16,171 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 5 states. [2020-11-29 18:45:16,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:45:16,258 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-11-29 18:45:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:45:16,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-11-29 18:45:16,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:45:16,275 INFO L225 Difference]: With dead ends: 34 [2020-11-29 18:45:16,275 INFO L226 Difference]: Without dead ends: 31 [2020-11-29 18:45:16,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:45:16,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-29 18:45:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-29 18:45:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-29 18:45:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-11-29 18:45:16,326 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 20 [2020-11-29 18:45:16,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:45:16,327 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-11-29 18:45:16,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:45:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-11-29 18:45:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:45:16,328 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:45:16,329 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, 1] [2020-11-29 18:45:16,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 18:45:16,545 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, __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_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_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-29 18:45:16,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:45:16,545 INFO L82 PathProgramCache]: Analyzing trace with hash 322691135, now seen corresponding path program 1 times [2020-11-29 18:45:16,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:45:16,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964477701] [2020-11-29 18:45:16,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 18:45:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:16,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 18:45:16,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:45:16,949 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 18:45:16,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:45:17,247 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 18:45:17,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964477701] [2020-11-29 18:45:17,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:45:17,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-11-29 18:45:17,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829966853] [2020-11-29 18:45:17,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 18:45:17,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:45:17,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 18:45:17,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:45:17,252 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 9 states. [2020-11-29 18:45:17,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:45:17,654 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-11-29 18:45:17,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 18:45:17,655 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-29 18:45:17,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:45:17,657 INFO L225 Difference]: With dead ends: 45 [2020-11-29 18:45:17,657 INFO L226 Difference]: Without dead ends: 45 [2020-11-29 18:45:17,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-29 18:45:17,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-29 18:45:17,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2020-11-29 18:45:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-29 18:45:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2020-11-29 18:45:17,667 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 21 [2020-11-29 18:45:17,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:45:17,668 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2020-11-29 18:45:17,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 18:45:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-11-29 18:45:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:45:17,669 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:45:17,670 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, 1, 1] [2020-11-29 18:45:17,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 18:45:17,887 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, __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_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_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-29 18:45:17,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:45:17,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1413491024, now seen corresponding path program 1 times [2020-11-29 18:45:17,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:45:17,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395658036] [2020-11-29 18:45:17,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 18:45:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:18,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 18:45:18,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:45:18,241 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 18:45:18,242 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:45:18,246 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:45:18,247 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:45:18,247 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-29 18:45:18,290 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 18:45:18,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:45:18,506 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 18:45:18,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395658036] [2020-11-29 18:45:18,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:45:18,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-29 18:45:18,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782174682] [2020-11-29 18:45:18,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:45:18,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:45:18,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:45:18,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:45:18,509 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 5 states. [2020-11-29 18:45:18,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:45:18,727 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-11-29 18:45:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:45:18,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-29 18:45:18,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:45:18,733 INFO L225 Difference]: With dead ends: 43 [2020-11-29 18:45:18,733 INFO L226 Difference]: Without dead ends: 43 [2020-11-29 18:45:18,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:45:18,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-29 18:45:18,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2020-11-29 18:45:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-29 18:45:18,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-11-29 18:45:18,757 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 22 [2020-11-29 18:45:18,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:45:18,758 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-11-29 18:45:18,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:45:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-11-29 18:45:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:45:18,762 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:45:18,762 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, 1, 1] [2020-11-29 18:45:18,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 18:45:18,979 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, __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_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_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-29 18:45:18,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:45:18,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1120088017, now seen corresponding path program 1 times [2020-11-29 18:45:18,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:45:18,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039910396] [2020-11-29 18:45:18,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 18:45:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:19,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 18:45:19,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:45:19,314 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 18:45:19,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:45:19,439 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 18:45:19,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039910396] [2020-11-29 18:45:19,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:45:19,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-29 18:45:19,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454546275] [2020-11-29 18:45:19,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:45:19,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:45:19,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:45:19,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:45:19,442 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-11-29 18:45:19,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:45:19,553 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2020-11-29 18:45:19,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:45:19,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-29 18:45:19,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:45:19,556 INFO L225 Difference]: With dead ends: 44 [2020-11-29 18:45:19,556 INFO L226 Difference]: Without dead ends: 44 [2020-11-29 18:45:19,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:45:19,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-29 18:45:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2020-11-29 18:45:19,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 18:45:19,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-11-29 18:45:19,570 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 22 [2020-11-29 18:45:19,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:45:19,570 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-11-29 18:45:19,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:45:19,570 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-11-29 18:45:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:45:19,573 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:45:19,573 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, 1, 1] [2020-11-29 18:45:19,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 18:45:19,788 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, __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_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_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-29 18:45:19,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:45:19,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1413668411, now seen corresponding path program 1 times [2020-11-29 18:45:19,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:45:19,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217771484] [2020-11-29 18:45:19,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 18:45:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:20,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:45:20,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:45:20,132 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 18:45:20,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:45:20,242 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 18:45:20,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217771484] [2020-11-29 18:45:20,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:45:20,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-29 18:45:20,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041945574] [2020-11-29 18:45:20,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:45:20,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:45:20,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:45:20,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:45:20,245 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 5 states. [2020-11-29 18:45:20,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:45:20,268 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-11-29 18:45:20,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:45:20,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-29 18:45:20,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:45:20,271 INFO L225 Difference]: With dead ends: 40 [2020-11-29 18:45:20,271 INFO L226 Difference]: Without dead ends: 40 [2020-11-29 18:45:20,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:45:20,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-29 18:45:20,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2020-11-29 18:45:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-29 18:45:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-11-29 18:45:20,277 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2020-11-29 18:45:20,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:45:20,278 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-11-29 18:45:20,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:45:20,278 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-11-29 18:45:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:45:20,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:45:20,283 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, 1, 1] [2020-11-29 18:45:20,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 18:45:20,484 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, __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_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_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-29 18:45:20,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:45:20,484 INFO L82 PathProgramCache]: Analyzing trace with hash -687189059, now seen corresponding path program 1 times [2020-11-29 18:45:20,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:45:20,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127741426] [2020-11-29 18:45:20,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 18:45:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:20,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 18:45:20,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:45:20,752 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 18:45:20,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:45:20,923 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 18:45:20,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127741426] [2020-11-29 18:45:20,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:45:20,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 18:45:20,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771741132] [2020-11-29 18:45:20,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:45:20,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:45:20,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:45:20,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:45:20,926 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 3 states. [2020-11-29 18:45:20,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:45:20,986 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2020-11-29 18:45:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:45:20,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-29 18:45:20,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:45:20,989 INFO L225 Difference]: With dead ends: 42 [2020-11-29 18:45:20,989 INFO L226 Difference]: Without dead ends: 38 [2020-11-29 18:45:20,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:45:20,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-29 18:45:20,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2020-11-29 18:45:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 18:45:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-11-29 18:45:20,998 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 22 [2020-11-29 18:45:20,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:45:20,998 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2020-11-29 18:45:20,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:45:20,999 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-11-29 18:45:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 18:45:21,000 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:45:21,000 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:45:21,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-29 18:45:21,217 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, __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_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_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-29 18:45:21,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:45:21,218 INFO L82 PathProgramCache]: Analyzing trace with hash -2013122506, now seen corresponding path program 1 times [2020-11-29 18:45:21,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:45:21,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810459148] [2020-11-29 18:45:21,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 18:45:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:21,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-29 18:45:21,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:45:21,570 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 18:45:21,573 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:45:21,576 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:45:21,576 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:45:21,576 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2020-11-29 18:45:23,685 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 18:45:23,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:45:35,107 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-29 18:45:35,133 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-11-29 18:45:35,138 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from true [2020-11-29 18:45:35,172 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-29 18:45:35,230 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-29 18:45:35,247 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-11-29 18:45:35,252 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from true [2020-11-29 18:45:35,292 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-29 18:45:35,330 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-29 18:45:35,527 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |c_old(#valid)| v_~a9~0.base_93) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| v_~a9~0.base_101 (_ bv0 1))) (not (= (select |c_#valid| v_~a9~0.base_101) (_ bv0 1))))) is different from false [2020-11-29 18:45:35,552 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 18:45:35,569 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 18:45:35,581 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from false [2020-11-29 18:45:35,602 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from true [2020-11-29 18:45:35,614 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 18:45:35,622 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 18:45:35,638 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 18:45:35,648 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 18:45:35,675 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 18:45:35,686 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 18:45:35,698 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_probe_9_#t~ret38.base| (_ bv0 1))))) is different from false [2020-11-29 18:45:35,705 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_probe_9_#t~ret38.base| (_ bv0 1))))) is different from true [2020-11-29 18:45:35,769 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 18:45:35,789 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 18:45:35,802 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_probe_9_#t~ret38.base_77| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (not (= (select |c_#valid| |v_probe_9_#t~ret38.base_77|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from false [2020-11-29 18:45:35,862 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 18:45:35,878 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 18:45:35,885 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-29 18:45:35,894 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 18:45:35,948 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))))) is different from false [2020-11-29 18:45:35,958 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))))) is different from true [2020-11-29 18:45:35,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 18:45:36,010 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 18:45:36,015 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-29 18:45:36,023 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 18:45:36,135 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 18:45:36,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 18:45:36,152 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-29 18:45:36,162 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 18:45:36,235 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_64| (_ BitVec 32))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_64|) (_ bv0 1))) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))) (= (store |c_#valid| |v_ldv_malloc_#res.base_64| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|))) is different from false [2020-11-29 18:45:36,248 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_64| (_ BitVec 32))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_64|) (_ bv0 1))) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))))) (= (store |c_#valid| |v_ldv_malloc_#res.base_64| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|))) is different from true [2020-11-29 18:45:36,323 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 18:45:36,337 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 18:45:36,344 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-29 18:45:36,354 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-11-29 18:45:36,427 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 18:45:36,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810459148] [2020-11-29 18:45:36,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:45:36,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 13] imperfect sequences [] total 18 [2020-11-29 18:45:36,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313945150] [2020-11-29 18:45:36,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-29 18:45:36,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:45:36,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-29 18:45:36,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=73, Unknown=29, NotChecked=200, Total=342 [2020-11-29 18:45:36,430 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 19 states. [2020-11-29 18:45:58,647 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_probe_9_#t~ret38.base_77| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (not (= (select |c_#valid| |v_probe_9_#t~ret38.base_77|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1))))))) is different from false [2020-11-29 18:45:59,888 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1)))))))))) is different from false [2020-11-29 18:45:59,898 WARN L860 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a9~0.base_93) (_ bv0 1)) (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1)))))))))) is different from true [2020-11-29 18:46:03,959 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_probe_9_#t~ret38.base| (_ bv1 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |c_probe_9_#t~ret38.base|)) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_probe_9_#t~ret38.base| (_ bv0 1)))))) is different from false [2020-11-29 18:46:03,991 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| c_~a9~0.base (_ bv1 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) (= (select |c_old(#valid)| c_~a9~0.base) (_ bv0 1))) is different from false [2020-11-29 18:46:08,091 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-11-29 18:46:20,144 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) |c_#valid|)) is different from false [2020-11-29 18:46:22,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:46:22,264 INFO L93 Difference]: Finished difference Result 47 states and 46 transitions. [2020-11-29 18:46:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 18:46:22,265 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 28 [2020-11-29 18:46:22,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:46:22,266 INFO L225 Difference]: With dead ends: 47 [2020-11-29 18:46:22,266 INFO L226 Difference]: Without dead ends: 29 [2020-11-29 18:46:22,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 14 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=56, Invalid=84, Unknown=48, NotChecked=462, Total=650 [2020-11-29 18:46:22,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-29 18:46:22,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-29 18:46:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-29 18:46:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2020-11-29 18:46:22,271 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 28 [2020-11-29 18:46:22,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:46:22,271 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2020-11-29 18:46:22,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-29 18:46:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2020-11-29 18:46:22,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 18:46:22,272 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:46:22,272 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:46:22,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-29 18:46:22,473 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, __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_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_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-29 18:46:22,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:22,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1350042568, now seen corresponding path program 1 times [2020-11-29 18:46:22,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:46:22,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538069030] [2020-11-29 18:46:22,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/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 18:46:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:22,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:46:22,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:46:22,729 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 18:46:22,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:46:22,896 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 18:46:22,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538069030] [2020-11-29 18:46:22,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:46:22,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-29 18:46:22,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601745658] [2020-11-29 18:46:22,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 18:46:22,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:46:22,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 18:46:22,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:46:22,899 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 8 states. [2020-11-29 18:46:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:46:22,908 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-11-29 18:46:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:46:22,909 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-11-29 18:46:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:46:22,909 INFO L225 Difference]: With dead ends: 18 [2020-11-29 18:46:22,909 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:46:22,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:46:22,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:46:22,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:46:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:46:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:46:22,910 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-11-29 18:46:22,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:46:22,910 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:46:22,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 18:46:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:46:22,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:46:23,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-29 18:46:23,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:46:23 BoogieIcfgContainer [2020-11-29 18:46:23,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:46:23,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:46:23,121 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:46:23,121 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:46:23,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:45:15" (3/4) ... [2020-11-29 18:46:23,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:46:23,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-11-29 18:46:23,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 18:46:23,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-11-29 18:46:23,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-11-29 18:46:23,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-11-29 18:46:23,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-11-29 18:46:23,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-11-29 18:46:23,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-11-29 18:46:23,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-11-29 18:46:23,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-11-29 18:46:23,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-11-29 18:46:23,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-11-29 18:46:23,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-11-29 18:46:23,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-11-29 18:46:23,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-11-29 18:46:23,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-11-29 18:46:23,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-11-29 18:46:23,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-11-29 18:46:23,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-11-29 18:46:23,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-11-29 18:46:23,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-11-29 18:46:23,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-11-29 18:46:23,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-11-29 18:46:23,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-11-29 18:46:23,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-11-29 18:46:23,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-11-29 18:46:23,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-11-29 18:46:23,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-11-29 18:46:23,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-11-29 18:46:23,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-11-29 18:46:23,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure probe_9 [2020-11-29 18:46:23,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-11-29 18:46:23,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-11-29 18:46:23,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-11-29 18:46:23,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-11-29 18:46:23,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-11-29 18:46:23,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-11-29 18:46:23,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-11-29 18:46:23,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure disconnect_9 [2020-11-29 18:46:23,152 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2020-11-29 18:46:23,152 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 18:46:23,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:46:23,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:46:23,154 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:46:23,247 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bee5a47b-c334-4880-8ecb-5a697d05305e/bin/uautomizer/witness.graphml [2020-11-29 18:46:23,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:46:23,254 INFO L168 Benchmark]: Toolchain (without parser) took 71158.13 ms. Allocated memory was 50.3 MB in the beginning and 121.6 MB in the end (delta: 71.3 MB). Free memory was 25.6 MB in the beginning and 86.3 MB in the end (delta: -60.7 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:23,255 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:46:23,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1081.95 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 25.5 MB in the beginning and 40.9 MB in the end (delta: -15.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:23,257 INFO L168 Benchmark]: Boogie Preprocessor took 120.28 ms. Allocated memory is still 69.2 MB. Free memory was 40.9 MB in the beginning and 36.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:23,258 INFO L168 Benchmark]: RCFGBuilder took 2136.63 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 44.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:23,260 INFO L168 Benchmark]: TraceAbstraction took 67666.49 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 43.6 MB in the beginning and 92.3 MB in the end (delta: -48.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:46:23,261 INFO L168 Benchmark]: Witness Printer took 131.16 ms. Allocated memory is still 121.6 MB. Free memory was 92.3 MB in the beginning and 87.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:23,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1081.95 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 25.5 MB in the beginning and 40.9 MB in the end (delta: -15.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 120.28 ms. Allocated memory is still 69.2 MB. Free memory was 40.9 MB in the beginning and 36.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2136.63 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 44.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 67666.49 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 43.6 MB in the beginning and 92.3 MB in the end (delta: -48.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 131.16 ms. Allocated memory is still 121.6 MB. Free memory was 92.3 MB in the beginning and 87.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 775]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 766]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 766]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 766]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 345 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 67.5s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 46.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 233 SDtfs, 107 SDslu, 551 SDs, 0 SdLazy, 271 SolverSat, 29 SolverUnsat, 35 SolverUnknown, 0 SolverNotchecked, 45.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 317 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 14 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 31 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 354 ConstructedInterpolants, 26 QuantifiedInterpolants, 50509 SizeOfPredicates, 10 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...