./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 eb6bcc62184a60bbcb9e0528a455aeb84b21f101 .................................................................................................................................. 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_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 eb6bcc62184a60bbcb9e0528a455aeb84b21f101 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:00:54,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:00:54,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:00:54,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:00:54,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:00:54,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:00:54,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:00:54,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:00:54,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:00:54,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:00:54,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:00:54,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:00:54,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:00:54,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:00:54,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:00:54,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:00:54,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:00:54,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:00:54,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:00:54,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:00:54,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:00:54,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:00:54,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:00:54,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:00:54,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:00:54,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:00:54,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:00:54,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:00:54,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:00:54,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:00:54,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:00:54,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:00:54,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:00:54,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:00:54,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:00:54,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:00:54,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:00:54,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:00:54,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:00:54,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:00:54,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:00:54,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-30 00:00:54,197 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:00:54,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:00:54,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:00:54,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:00:54,199 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:00:54,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:00:54,200 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:00:54,200 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:00:54,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:00:54,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:00:54,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:00:54,201 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:00:54,201 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:00:54,202 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:00:54,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:00:54,202 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:00:54,202 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:00:54,202 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:00:54,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:00:54,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:00:54,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:00:54,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:00:54,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:00:54,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:00:54,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:00:54,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:00:54,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:00:54,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:00:54,205 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_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb6bcc62184a60bbcb9e0528a455aeb84b21f101 [2020-11-30 00:00:54,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:00:54,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:00:54,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:00:54,641 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:00:54,642 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:00:54,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2020-11-30 00:00:54,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data/9fa79a9aa/57125cf66f40413d8ec5b08804756163/FLAG0c2e3df5e [2020-11-30 00:00:55,558 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:00:55,559 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2020-11-30 00:00:55,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data/9fa79a9aa/57125cf66f40413d8ec5b08804756163/FLAG0c2e3df5e [2020-11-30 00:00:55,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data/9fa79a9aa/57125cf66f40413d8ec5b08804756163 [2020-11-30 00:00:55,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:00:55,807 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:00:55,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:00:55,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:00:55,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:00:55,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:00:55" (1/1) ... [2020-11-30 00:00:55,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2189e081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:55, skipping insertion in model container [2020-11-30 00:00:55,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:00:55" (1/1) ... [2020-11-30 00:00:55,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:00:55,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:00:56,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:00:56,544 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) [2020-11-30 00:00:56,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f811a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:56, skipping insertion in model container [2020-11-30 00:00:56,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:00:56,545 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 00:00:56,549 INFO L168 Benchmark]: Toolchain (without parser) took 739.85 ms. Allocated memory is still 107.0 MB. Free memory was 75.5 MB in the beginning and 80.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:00:56,551 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 71.3 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:00:56,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.85 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 80.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:00:56,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 71.3 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 735.85 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 80.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 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 [2020-11-30 00:00:59,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:00:59,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:00:59,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:00:59,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:00:59,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:00:59,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:00:59,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:00:59,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:00:59,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:00:59,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:00:59,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:00:59,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:00:59,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:00:59,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:00:59,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:00:59,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:00:59,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:00:59,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:00:59,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:00:59,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:00:59,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:00:59,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:00:59,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:00:59,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:00:59,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:00:59,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:00:59,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:00:59,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:00:59,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:00:59,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:00:59,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:00:59,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:00:59,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:00:59,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:00:59,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:00:59,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:00:59,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:00:59,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:00:59,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:00:59,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:00:59,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-30 00:00:59,542 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:00:59,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:00:59,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:00:59,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:00:59,545 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:00:59,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:00:59,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:00:59,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:00:59,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:00:59,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:00:59,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:00:59,548 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:00:59,548 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:00:59,549 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:00:59,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:00:59,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:00:59,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:00:59,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:00:59,551 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:00:59,551 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:00:59,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:00:59,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:00:59,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:00:59,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:00:59,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:00:59,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:00:59,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:00:59,554 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:00:59,555 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:00:59,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:00:59,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:00:59,556 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_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb6bcc62184a60bbcb9e0528a455aeb84b21f101 [2020-11-30 00:00:59,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:00:59,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:01:00,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:01:00,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:01:00,006 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:01:00,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2020-11-30 00:01:00,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data/f91613500/515650dd904248a484634434867300f0/FLAGd3cd15a49 [2020-11-30 00:01:00,891 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:01:00,892 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2020-11-30 00:01:00,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data/f91613500/515650dd904248a484634434867300f0/FLAGd3cd15a49 [2020-11-30 00:01:01,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/bin/uautomizer/data/f91613500/515650dd904248a484634434867300f0 [2020-11-30 00:01:01,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:01:01,071 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:01:01,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:01:01,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:01:01,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:01:01,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:01:01" (1/1) ... [2020-11-30 00:01:01,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ce43a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:01, skipping insertion in model container [2020-11-30 00:01:01,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:01:01" (1/1) ... [2020-11-30 00:01:01,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:01:01,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:01:01,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:01:01,798 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 00:01:01,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:01:01,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:01:01,944 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:01:02,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:01:02,213 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:01:02,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02 WrapperNode [2020-11-30 00:01:02,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:01:02,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:01:02,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:01:02,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:01:02,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02" (1/1) ... [2020-11-30 00:01:02,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02" (1/1) ... [2020-11-30 00:01:02,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02" (1/1) ... [2020-11-30 00:01:02,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02" (1/1) ... [2020-11-30 00:01:02,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02" (1/1) ... [2020-11-30 00:01:02,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02" (1/1) ... [2020-11-30 00:01:02,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02" (1/1) ... [2020-11-30 00:01:02,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:01:02,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:01:02,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:01:02,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:01:02,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 [2020-11-30 00:01:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-30 00:01:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:01:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:01:02,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:01:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-30 00:01:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-30 00:01:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-30 00:01:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-30 00:01:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-30 00:01:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-30 00:01:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-30 00:01:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-30 00:01:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-30 00:01:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:01:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-30 00:01:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-30 00:01:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-30 00:01:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-30 00:01:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-30 00:01:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-30 00:01:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-30 00:01:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-30 00:01:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-30 00:01:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-30 00:01:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-30 00:01:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-30 00:01:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-30 00:01:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-30 00:01:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-30 00:01:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-30 00:01:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-30 00:01:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-30 00:01:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-30 00:01:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-30 00:01:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-30 00:01:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-30 00:01:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-30 00:01:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-30 00:01:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-30 00:01:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-30 00:01:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-30 00:01:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-30 00:01:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-30 00:01:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-30 00:01:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-30 00:01:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-30 00:01:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-30 00:01:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-30 00:01:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-30 00:01:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-30 00:01:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-30 00:01:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-30 00:01:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-30 00:01:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-30 00:01:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-30 00:01:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-30 00:01:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-30 00:01:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-30 00:01:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-30 00:01:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-30 00:01:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-30 00:01:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-30 00:01:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-30 00:01:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-30 00:01:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-30 00:01:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-30 00:01:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-30 00:01:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-30 00:01:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-30 00:01:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-30 00:01:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-30 00:01:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-30 00:01:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-30 00:01:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-30 00:01:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-30 00:01:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-30 00:01:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-30 00:01:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-30 00:01:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-30 00:01:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-30 00:01:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-30 00:01:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-30 00:01:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-30 00:01:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-30 00:01:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-30 00:01:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-30 00:01:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-30 00:01:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-30 00:01:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-30 00:01:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-30 00:01:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-30 00:01:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-30 00:01:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-30 00:01:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-30 00:01:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-30 00:01:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-30 00:01:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-30 00:01:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-30 00:01:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-30 00:01:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-30 00:01:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-30 00:01:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-30 00:01:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-30 00:01:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-30 00:01:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-30 00:01:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-30 00:01:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-30 00:01:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-30 00:01:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-30 00:01:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-30 00:01:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-30 00:01:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-30 00:01:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-30 00:01:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-30 00:01:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-30 00:01:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-30 00:01:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-30 00:01:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-30 00:01:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-30 00:01:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-30 00:01:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-30 00:01:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-30 00:01:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-30 00:01:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-30 00:01:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-30 00:01:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-30 00:01:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-30 00:01:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-30 00:01:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-30 00:01:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-30 00:01:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-30 00:01:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-30 00:01:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-30 00:01:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-30 00:01:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-30 00:01:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-30 00:01:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-30 00:01:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-30 00:01:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-30 00:01:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-30 00:01:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-30 00:01:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-30 00:01:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-30 00:01:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-30 00:01:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-30 00:01:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-30 00:01:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-30 00:01:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-30 00:01:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-30 00:01:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-30 00:01:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-30 00:01:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-30 00:01:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-30 00:01:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-30 00:01:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-30 00:01:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-30 00:01:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-30 00:01:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-30 00:01:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-30 00:01:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-30 00:01:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-30 00:01:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:01:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-30 00:01:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-30 00:01:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:01:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:01:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-30 00:01:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-30 00:01:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-30 00:01:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:01:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-30 00:01:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-30 00:01:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-30 00:01:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-30 00:01:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-30 00:01:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-30 00:01:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:01:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-30 00:01:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-30 00:01:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-30 00:01:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-30 00:01:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-30 00:01:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:01:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:01:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-30 00:01:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-30 00:01:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:01:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-30 00:01:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-30 00:01:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-30 00:01:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-30 00:01:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-30 00:01:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-30 00:01:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-30 00:01:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-30 00:01:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-30 00:01:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-30 00:01:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-30 00:01:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-30 00:01:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-30 00:01:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-30 00:01:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-30 00:01:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-30 00:01:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-30 00:01:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:01:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 00:01:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:01:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:01:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-30 00:01:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-30 00:01:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 00:01:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-30 00:01:03,342 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:01:03,882 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:01:04,351 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:01:04,352 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-30 00:01:04,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:01:04 BoogieIcfgContainer [2020-11-30 00:01:04,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:01:04,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:01:04,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:01:04,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:01:04,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:01:01" (1/3) ... [2020-11-30 00:01:04,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b2a923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:01:04, skipping insertion in model container [2020-11-30 00:01:04,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:02" (2/3) ... [2020-11-30 00:01:04,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b2a923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:01:04, skipping insertion in model container [2020-11-30 00:01:04,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:01:04" (3/3) ... [2020-11-30 00:01:04,369 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test4-1.i [2020-11-30 00:01:04,383 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:01:04,389 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-11-30 00:01:04,403 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-11-30 00:01:04,439 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:01:04,439 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 00:01:04,440 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:01:04,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:01:04,440 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:01:04,440 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:01:04,440 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:01:04,441 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:01:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-11-30 00:01:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:01:04,481 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:04,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:04,483 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:01:04,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:04,492 INFO L82 PathProgramCache]: Analyzing trace with hash 927863930, now seen corresponding path program 1 times [2020-11-30 00:01:04,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:01:04,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771925171] [2020-11-30 00:01:04,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 [2020-11-30 00:01:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:04,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:01:04,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:04,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:01:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:05,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771925171] [2020-11-30 00:01:05,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:05,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-30 00:01:05,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050660796] [2020-11-30 00:01:05,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:01:05,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:01:05,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:01:05,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:01:05,115 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 5 states. [2020-11-30 00:01:05,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:05,166 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2020-11-30 00:01:05,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:01:05,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-30 00:01:05,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:05,179 INFO L225 Difference]: With dead ends: 42 [2020-11-30 00:01:05,179 INFO L226 Difference]: Without dead ends: 39 [2020-11-30 00:01:05,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:01:05,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-30 00:01:05,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2020-11-30 00:01:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 00:01:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-11-30 00:01:05,232 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 16 [2020-11-30 00:01:05,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:05,232 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-11-30 00:01:05,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:01:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-11-30 00:01:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:01:05,235 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:05,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:05,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:01:05,447 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:01:05,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:05,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1624293031, now seen corresponding path program 1 times [2020-11-30 00:01:05,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:01:05,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261319925] [2020-11-30 00:01:05,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 [2020-11-30 00:01:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:05,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:01:05,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:05,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:01:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:05,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261319925] [2020-11-30 00:01:05,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:05,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:01:05,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266791870] [2020-11-30 00:01:05,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:05,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:01:05,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:05,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:01:05,851 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 3 states. [2020-11-30 00:01:05,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:05,930 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2020-11-30 00:01:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:05,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-11-30 00:01:05,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:05,931 INFO L225 Difference]: With dead ends: 40 [2020-11-30 00:01:05,931 INFO L226 Difference]: Without dead ends: 37 [2020-11-30 00:01:05,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:01:05,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-30 00:01:05,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 25. [2020-11-30 00:01:05,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-30 00:01:05,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-11-30 00:01:05,942 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 16 [2020-11-30 00:01:05,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:05,943 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-11-30 00:01:05,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:05,943 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-11-30 00:01:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:01:05,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:05,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:06,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:01:06,164 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:01:06,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:06,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1911181477, now seen corresponding path program 1 times [2020-11-30 00:01:06,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:01:06,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537428178] [2020-11-30 00:01:06,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 [2020-11-30 00:01:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:06,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:01:06,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:06,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:01:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:06,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537428178] [2020-11-30 00:01:06,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:06,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 00:01:06,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566530621] [2020-11-30 00:01:06,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:01:06,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:01:06,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:01:06,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:01:06,582 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 5 states. [2020-11-30 00:01:06,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:06,611 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2020-11-30 00:01:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:01:06,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-11-30 00:01:06,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:06,613 INFO L225 Difference]: With dead ends: 24 [2020-11-30 00:01:06,613 INFO L226 Difference]: Without dead ends: 24 [2020-11-30 00:01:06,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:01:06,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-30 00:01:06,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-30 00:01:06,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-30 00:01:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-11-30 00:01:06,618 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2020-11-30 00:01:06,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:06,618 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-11-30 00:01:06,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:01:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-11-30 00:01:06,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:01:06,619 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:06,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:06,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:01:06,824 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:01:06,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:06,824 INFO L82 PathProgramCache]: Analyzing trace with hash 882916751, now seen corresponding path program 1 times [2020-11-30 00:01:06,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:01:06,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467911287] [2020-11-30 00:01:06,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 [2020-11-30 00:01:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:07,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:01:07,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:07,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:01:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:07,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467911287] [2020-11-30 00:01:07,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:07,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2020-11-30 00:01:07,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434715397] [2020-11-30 00:01:07,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 00:01:07,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:01:07,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 00:01:07,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:01:07,564 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 10 states. [2020-11-30 00:01:07,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:07,889 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-11-30 00:01:07,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 00:01:07,893 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2020-11-30 00:01:07,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:07,894 INFO L225 Difference]: With dead ends: 38 [2020-11-30 00:01:07,894 INFO L226 Difference]: Without dead ends: 38 [2020-11-30 00:01:07,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:01:07,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-30 00:01:07,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 23. [2020-11-30 00:01:07,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-30 00:01:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-11-30 00:01:07,904 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 21 [2020-11-30 00:01:07,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:07,904 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-11-30 00:01:07,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 00:01:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-30 00:01:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:01:07,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:07,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:08,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 00:01:08,107 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:01:08,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:08,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1600615901, now seen corresponding path program 1 times [2020-11-30 00:01:08,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:01:08,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908478756] [2020-11-30 00:01:08,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 [2020-11-30 00:01:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:08,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:01:08,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:08,363 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 [2020-11-30 00:01:08,364 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:01:08,368 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:01:08,368 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:01:08,368 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-30 00:01:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:08,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:01:08,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:08,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908478756] [2020-11-30 00:01:08,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:08,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 00:01:08,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255240056] [2020-11-30 00:01:08,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:01:08,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:01:08,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:01:08,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:01:08,492 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2020-11-30 00:01:08,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:08,557 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-11-30 00:01:08,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:01:08,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-30 00:01:08,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:08,559 INFO L225 Difference]: With dead ends: 29 [2020-11-30 00:01:08,559 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 00:01:08,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:01:08,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 00:01:08,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-30 00:01:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 00:01:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-11-30 00:01:08,567 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2020-11-30 00:01:08,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:08,567 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-11-30 00:01:08,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:01:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-11-30 00:01:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:01:08,570 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:08,571 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:08,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 00:01:08,783 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:01:08,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:08,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1806847714, now seen corresponding path program 1 times [2020-11-30 00:01:08,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:01:08,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740092468] [2020-11-30 00:01:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 [2020-11-30 00:01:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:09,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:01:09,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:09,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:01:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:09,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740092468] [2020-11-30 00:01:09,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:09,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 00:01:09,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876511910] [2020-11-30 00:01:09,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:01:09,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:01:09,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:01:09,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:01:09,084 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 5 states. [2020-11-30 00:01:09,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:09,114 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2020-11-30 00:01:09,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:01:09,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-30 00:01:09,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:09,116 INFO L225 Difference]: With dead ends: 30 [2020-11-30 00:01:09,116 INFO L226 Difference]: Without dead ends: 30 [2020-11-30 00:01:09,117 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 [2020-11-30 00:01:09,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-30 00:01:09,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2020-11-30 00:01:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-30 00:01:09,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-11-30 00:01:09,122 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 22 [2020-11-30 00:01:09,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:09,122 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-11-30 00:01:09,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:01:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-11-30 00:01:09,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:01:09,123 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:09,123 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:09,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-30 00:01:09,324 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:01:09,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:09,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1221784944, now seen corresponding path program 1 times [2020-11-30 00:01:09,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:01:09,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462032522] [2020-11-30 00:01:09,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3daa2a0b-b4b6-4f2c-8789-9809631744f4/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 [2020-11-30 00:01:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:01:09,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:01:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:01:09,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:01:09,633 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:01:09,633 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:01:09,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-30 00:01:09,846 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-30 00:01:09,854 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-30 00:01:09,854 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-11-30 00:01:09,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:01:09 BoogieIcfgContainer [2020-11-30 00:01:09,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:01:09,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:01:09,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:01:09,865 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:01:09,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:01:04" (3/4) ... [2020-11-30 00:01:09,869 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:01:09,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:01:09,871 INFO L168 Benchmark]: Toolchain (without parser) took 8798.83 ms. Allocated memory was 54.5 MB in the beginning and 130.0 MB in the end (delta: 75.5 MB). Free memory was 30.5 MB in the beginning and 88.5 MB in the end (delta: -58.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:09,872 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.6 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:01:09,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1135.71 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 38.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:09,873 INFO L168 Benchmark]: Boogie Preprocessor took 169.00 ms. Allocated memory is still 67.1 MB. Free memory was 38.3 MB in the beginning and 33.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:09,874 INFO L168 Benchmark]: RCFGBuilder took 1969.02 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 33.5 MB in the beginning and 63.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:09,875 INFO L168 Benchmark]: TraceAbstraction took 5502.22 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 63.0 MB in the beginning and 88.5 MB in the end (delta: -25.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:09,876 INFO L168 Benchmark]: Witness Printer took 4.90 ms. Allocated memory is still 130.0 MB. Free memory is still 88.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:01:09,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.6 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1135.71 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 38.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 169.00 ms. Allocated memory is still 67.1 MB. Free memory was 38.3 MB in the beginning and 33.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1969.02 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 33.5 MB in the beginning and 63.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5502.22 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 63.0 MB in the beginning and 88.5 MB in the end (delta: -25.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.90 ms. Allocated memory is still 130.0 MB. Free memory is still 88.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 9bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 764]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 764. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={15:0}] [L765] CALL entry_point() VAL [ldv_global_msg_list={15:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={15:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={3:0}, ldv_global_msg_list={15:0}, malloc(size)={3:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={15:0}, ldv_malloc(sizeof(int))={3:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] COND TRUE \read(*p) VAL [ldv_global_msg_list={15:0}, p={3:0}] [L760] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={15:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={2:0}, ldv_global_msg_list={15:0}, malloc(size)={2:0}, size=4] [L760] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={15:0}, ldv_malloc(sizeof(int))={2:0}, p={3:0}] [L760] int *q = (int *)ldv_malloc(sizeof(int)); [L761] free(q) VAL [ldv_global_msg_list={15:0}, p={3:0}, q={2:0}] [L761] free(q) VAL [ldv_global_msg_list={15:0}, p={3:0}, q={2:0}] [L761] free(q) [L765] RET entry_point() VAL [ldv_global_msg_list={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 338 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.3s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 59 SDslu, 343 SDs, 0 SdLazy, 165 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred 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, 6 MinimizatonAttempts, 45 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 222 ConstructedInterpolants, 12 QuantifiedInterpolants, 10158 SizeOfPredicates, 6 NumberOfNonLiveVariables, 471 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 32/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...