./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/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 ea76204732189107ea57f186f34feef6f7f76c1e ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/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 ea76204732189107ea57f186f34feef6f7f76c1e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:25:36,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:25:36,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:25:36,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:25:36,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:25:36,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:25:36,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:25:36,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:25:36,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:25:36,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:25:36,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:25:36,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:25:36,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:25:36,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:25:36,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:25:36,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:25:36,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:25:36,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:25:36,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:25:36,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:25:36,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:25:36,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:25:36,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:25:36,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:25:36,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:25:36,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:25:36,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:25:36,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:25:36,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:25:36,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:25:36,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:25:36,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:25:36,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:25:36,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:25:36,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:25:36,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:25:36,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:25:36,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:25:36,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:25:36,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:25:36,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:25:36,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-07 13:25:36,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:25:36,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:25:36,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:25:36,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:25:36,365 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:25:36,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:25:36,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:25:36,366 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:25:36,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:25:36,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:25:36,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:25:36,366 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 13:25:36,366 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 13:25:36,366 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 13:25:36,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:25:36,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:25:36,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:25:36,367 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:25:36,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:25:36,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:25:36,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:25:36,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:25:36,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:25:36,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:25:36,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:25:36,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:25:36,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:25:36,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:25:36,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_73a818a6-3913-4970-93de-a9015a2fa808/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 -> ea76204732189107ea57f186f34feef6f7f76c1e [2019-12-07 13:25:36,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:25:36,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:25:36,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:25:36,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:25:36,483 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:25:36,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-12-07 13:25:36,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data/cbec73e68/aee5e61ee01f4a15b002480740729a78/FLAG99899019c [2019-12-07 13:25:36,937 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:25:36,938 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-12-07 13:25:36,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data/cbec73e68/aee5e61ee01f4a15b002480740729a78/FLAG99899019c [2019-12-07 13:25:37,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data/cbec73e68/aee5e61ee01f4a15b002480740729a78 [2019-12-07 13:25:37,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:25:37,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 13:25:37,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:25:37,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:25:37,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:25:37,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:37" (1/1) ... [2019-12-07 13:25:37,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa3c0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:37, skipping insertion in model container [2019-12-07 13:25:37,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:37" (1/1) ... [2019-12-07 13:25:37,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:25:37,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:25:37,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:25:37,610 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) [2019-12-07 13:25:37,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28ee0256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:37, skipping insertion in model container [2019-12-07 13:25:37,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:25:37,611 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-12-07 13:25:37,613 INFO L168 Benchmark]: Toolchain (without parser) took 320.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:25:37,613 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:25:37,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:25:37,615 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 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 0.1.25-f470102 [2019-12-07 13:25:38,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:25:38,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:25:38,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:25:38,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:25:38,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:25:38,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:25:38,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:25:38,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:25:38,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:25:38,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:25:38,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:25:38,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:25:38,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:25:38,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:25:38,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:25:38,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:25:38,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:25:38,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:25:38,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:25:38,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:25:38,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:25:38,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:25:38,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:25:38,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:25:38,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:25:38,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:25:38,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:25:38,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:25:38,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:25:38,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:25:38,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:25:38,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:25:38,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:25:38,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:25:38,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:25:38,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:25:38,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:25:38,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:25:38,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:25:38,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:25:38,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-12-07 13:25:38,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:25:38,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:25:38,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:25:38,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:25:38,799 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:25:38,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:25:38,800 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:25:38,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:25:38,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:25:38,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:25:38,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:25:38,800 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 13:25:38,801 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 13:25:38,801 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 13:25:38,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:25:38,801 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:25:38,801 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:25:38,801 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:25:38,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:25:38,802 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:25:38,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:25:38,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:25:38,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:25:38,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:25:38,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:25:38,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:25:38,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:25:38,803 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 13:25:38,803 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:25:38,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:25:38,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:25:38,803 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_73a818a6-3913-4970-93de-a9015a2fa808/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 -> ea76204732189107ea57f186f34feef6f7f76c1e [2019-12-07 13:25:38,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:25:38,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:25:38,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:25:38,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:25:38,974 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:25:38,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-12-07 13:25:39,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data/2c9e37e6b/e2225b7f3c0a4356ba1d9cee5ba9ded2/FLAG9602bfbe4 [2019-12-07 13:25:39,396 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:25:39,397 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-12-07 13:25:39,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data/2c9e37e6b/e2225b7f3c0a4356ba1d9cee5ba9ded2/FLAG9602bfbe4 [2019-12-07 13:25:39,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/data/2c9e37e6b/e2225b7f3c0a4356ba1d9cee5ba9ded2 [2019-12-07 13:25:39,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:25:39,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 13:25:39,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:25:39,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:25:39,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:25:39,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:39" (1/1) ... [2019-12-07 13:25:39,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231d58f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39, skipping insertion in model container [2019-12-07 13:25:39,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:39" (1/1) ... [2019-12-07 13:25:39,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:25:39,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:25:39,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:25:39,716 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:25:39,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:25:39,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:25:39,761 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:25:39,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:25:39,847 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:25:39,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39 WrapperNode [2019-12-07 13:25:39,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:25:39,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:25:39,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:25:39,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:25:39,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39" (1/1) ... [2019-12-07 13:25:39,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39" (1/1) ... [2019-12-07 13:25:39,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39" (1/1) ... [2019-12-07 13:25:39,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39" (1/1) ... [2019-12-07 13:25:39,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39" (1/1) ... [2019-12-07 13:25:39,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39" (1/1) ... [2019-12-07 13:25:39,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39" (1/1) ... [2019-12-07 13:25:39,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:25:39,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:25:39,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:25:39,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:25:39,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/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 [2019-12-07 13:25:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 13:25:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:25:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 13:25:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 13:25:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 13:25:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 13:25:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-12-07 13:25:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-12-07 13:25:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-12-07 13:25:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-12-07 13:25:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-12-07 13:25:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-12-07 13:25:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 13:25:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 13:25:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 13:25:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 13:25:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 13:25:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 13:25:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 13:25:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 13:25:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 13:25:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-12-07 13:25:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-12-07 13:25:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-12-07 13:25:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 13:25:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 13:25:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 13:25:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 13:25:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 13:25:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 13:25:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 13:25:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 13:25:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 13:25:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 13:25:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 13:25:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 13:25:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 13:25:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 13:25:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 13:25:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 13:25:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 13:25:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 13:25:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 13:25:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 13:25:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 13:25:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 13:25:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 13:25:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 13:25:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 13:25:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 13:25:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 13:25:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 13:25:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 13:25:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 13:25:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 13:25:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 13:25:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 13:25:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 13:25:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 13:25:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 13:25:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 13:25:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 13:25:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 13:25:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 13:25:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 13:25:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 13:25:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 13:25:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 13:25:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 13:25:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 13:25:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 13:25:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 13:25:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 13:25:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 13:25:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 13:25:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 13:25:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 13:25:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 13:25:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 13:25:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 13:25:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 13:25:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 13:25:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 13:25:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 13:25:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 13:25:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 13:25:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 13:25:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 13:25:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 13:25:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 13:25:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 13:25:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 13:25:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 13:25:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 13:25:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 13:25:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 13:25:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 13:25:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 13:25:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 13:25:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 13:25:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 13:25:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 13:25:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 13:25:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 13:25:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 13:25:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 13:25:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 13:25:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 13:25:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 13:25:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 13:25:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-07 13:25:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 13:25:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-12-07 13:25:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-12-07 13:25:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-12-07 13:25:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-12-07 13:25:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-07 13:25:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:25:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-12-07 13:25:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-12-07 13:25:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-12-07 13:25:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 13:25:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-12-07 13:25:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-12-07 13:25:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-12-07 13:25:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 13:25:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-12-07 13:25:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-12-07 13:25:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-12-07 13:25:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 13:25:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 13:25:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-12-07 13:25:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-12-07 13:25:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 13:25:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-12-07 13:25:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-12-07 13:25:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-12-07 13:25:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-12-07 13:25:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-12-07 13:25:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-12-07 13:25:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-12-07 13:25:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-12-07 13:25:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-12-07 13:25:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-12-07 13:25:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-12-07 13:25:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 13:25:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:25:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 13:25:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 13:25:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 13:25:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 13:25:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 13:25:40,334 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 13:25:40,586 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 13:25:40,817 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:25:40,818 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-12-07 13:25:40,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:40 BoogieIcfgContainer [2019-12-07 13:25:40,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:25:40,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:25:40,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:25:40,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:25:40,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:25:39" (1/3) ... [2019-12-07 13:25:40,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de9ddeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:25:40, skipping insertion in model container [2019-12-07 13:25:40,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:39" (2/3) ... [2019-12-07 13:25:40,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de9ddeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:25:40, skipping insertion in model container [2019-12-07 13:25:40,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:40" (3/3) ... [2019-12-07 13:25:40,824 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test8.i [2019-12-07 13:25:40,831 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:25:40,836 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-12-07 13:25:40,843 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-12-07 13:25:40,856 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:25:40,856 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 13:25:40,856 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:25:40,857 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:25:40,857 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:25:40,857 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:25:40,857 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:25:40,857 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:25:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2019-12-07 13:25:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:25:40,874 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:25:40,875 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:25:40,875 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 13:25:40,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:25:40,879 INFO L82 PathProgramCache]: Analyzing trace with hash 12717103, now seen corresponding path program 1 times [2019-12-07 13:25:40,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:25:40,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652630141] [2019-12-07 13:25:40,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/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 [2019-12-07 13:25:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:25:41,022 INFO L264 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:25:41,027 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:25:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:41,064 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:25:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:41,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652630141] [2019-12-07 13:25:41,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:25:41,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 13:25:41,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961413177] [2019-12-07 13:25:41,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:25:41,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:25:41,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:25:41,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:25:41,157 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 5 states. [2019-12-07 13:25:41,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:25:41,209 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-12-07 13:25:41,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:25:41,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-12-07 13:25:41,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:25:41,219 INFO L225 Difference]: With dead ends: 32 [2019-12-07 13:25:41,219 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 13:25:41,221 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:25:41,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 13:25:41,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-07 13:25:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 13:25:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-12-07 13:25:41,250 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 18 [2019-12-07 13:25:41,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:25:41,251 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-12-07 13:25:41,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:25:41,251 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-12-07 13:25:41,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:25:41,252 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:25:41,252 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:25:41,453 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:25:41,453 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 13:25:41,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:25:41,454 INFO L82 PathProgramCache]: Analyzing trace with hash 394230500, now seen corresponding path program 1 times [2019-12-07 13:25:41,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:25:41,454 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554799408] [2019-12-07 13:25:41,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/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 [2019-12-07 13:25:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:25:41,571 INFO L264 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:25:41,573 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:25:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:41,644 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:25:41,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:41,769 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554799408] [2019-12-07 13:25:41,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:25:41,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-12-07 13:25:41,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4680183] [2019-12-07 13:25:41,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 13:25:41,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:25:41,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 13:25:41,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:25:41,772 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 9 states. [2019-12-07 13:25:41,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:25:41,964 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2019-12-07 13:25:41,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:25:41,964 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2019-12-07 13:25:41,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:25:41,966 INFO L225 Difference]: With dead ends: 41 [2019-12-07 13:25:41,966 INFO L226 Difference]: Without dead ends: 41 [2019-12-07 13:25:41,967 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-12-07 13:25:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-12-07 13:25:41,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2019-12-07 13:25:41,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-12-07 13:25:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2019-12-07 13:25:41,974 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 19 [2019-12-07 13:25:41,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:25:41,974 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2019-12-07 13:25:41,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 13:25:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2019-12-07 13:25:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 13:25:41,976 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:25:41,976 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:25:42,176 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:25:42,178 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 13:25:42,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:25:42,179 INFO L82 PathProgramCache]: Analyzing trace with hash -663756079, now seen corresponding path program 1 times [2019-12-07 13:25:42,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:25:42,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452886482] [2019-12-07 13:25:42,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/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 [2019-12-07 13:25:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:25:42,310 INFO L264 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:25:42,312 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:25:42,336 INFO L377 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 [2019-12-07 13:25:42,336 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:25:42,339 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:25:42,339 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:25:42,339 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-12-07 13:25:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:42,357 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:25:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:42,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452886482] [2019-12-07 13:25:42,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:25:42,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 13:25:42,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493326014] [2019-12-07 13:25:42,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:25:42,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:25:42,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:25:42,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:25:42,418 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 5 states. [2019-12-07 13:25:42,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:25:42,457 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2019-12-07 13:25:42,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:25:42,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-12-07 13:25:42,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:25:42,460 INFO L225 Difference]: With dead ends: 40 [2019-12-07 13:25:42,461 INFO L226 Difference]: Without dead ends: 40 [2019-12-07 13:25:42,461 INFO L630 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 [2019-12-07 13:25:42,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-12-07 13:25:42,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-12-07 13:25:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-12-07 13:25:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2019-12-07 13:25:42,467 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 20 [2019-12-07 13:25:42,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:25:42,467 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2019-12-07 13:25:42,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:25:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-12-07 13:25:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 13:25:42,468 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:25:42,468 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:25:42,669 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:25:42,670 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 13:25:42,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:25:42,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1834259858, now seen corresponding path program 1 times [2019-12-07 13:25:42,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:25:42,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003061288] [2019-12-07 13:25:42,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/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 [2019-12-07 13:25:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:25:42,775 INFO L264 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:25:42,776 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:25:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:42,797 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:25:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:42,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003061288] [2019-12-07 13:25:42,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:25:42,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 13:25:42,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839148723] [2019-12-07 13:25:42,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:25:42,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:25:42,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:25:42,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:25:42,869 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 5 states. [2019-12-07 13:25:42,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:25:42,900 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2019-12-07 13:25:42,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:25:42,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-12-07 13:25:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:25:42,901 INFO L225 Difference]: With dead ends: 37 [2019-12-07 13:25:42,901 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 13:25:42,902 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:25:42,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 13:25:42,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2019-12-07 13:25:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 13:25:42,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2019-12-07 13:25:42,905 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 20 [2019-12-07 13:25:42,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:25:42,906 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2019-12-07 13:25:42,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:25:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2019-12-07 13:25:42,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 13:25:42,906 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:25:42,906 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:25:43,107 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:25:43,108 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 13:25:43,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:25:43,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1534178647, now seen corresponding path program 1 times [2019-12-07 13:25:43,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:25:43,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99103428] [2019-12-07 13:25:43,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/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 [2019-12-07 13:25:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:25:43,208 INFO L264 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:25:43,209 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:25:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:43,215 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:25:43,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:43,286 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99103428] [2019-12-07 13:25:43,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:25:43,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:25:43,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084169389] [2019-12-07 13:25:43,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:25:43,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:25:43,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:25:43,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:25:43,287 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 3 states. [2019-12-07 13:25:43,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:25:43,306 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2019-12-07 13:25:43,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:25:43,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 13:25:43,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:25:43,306 INFO L225 Difference]: With dead ends: 40 [2019-12-07 13:25:43,306 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 13:25:43,307 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:25:43,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 13:25:43,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 13:25:43,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 13:25:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2019-12-07 13:25:43,309 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2019-12-07 13:25:43,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:25:43,309 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2019-12-07 13:25:43,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:25:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2019-12-07 13:25:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:25:43,310 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:25:43,310 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:25:43,510 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:25:43,511 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 13:25:43,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:25:43,512 INFO L82 PathProgramCache]: Analyzing trace with hash 714098001, now seen corresponding path program 1 times [2019-12-07 13:25:43,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:25:43,512 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821064767] [2019-12-07 13:25:43,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/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 [2019-12-07 13:25:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:25:43,638 INFO L264 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 13:25:43,639 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:25:43,651 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:25:43,651 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-12-07 13:25:43,652 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:25:43,663 INFO L614 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-12-07 13:25:43,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:25:43,665 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 13:25:43,665 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2019-12-07 13:25:43,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:25:43,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:25:43,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:25:43,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:25:43,747 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-12-07 13:25:43,747 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:25:43,749 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:25:43,749 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:25:43,749 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-12-07 13:25:49,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:25:49,821 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:26:02,879 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)))) (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))))))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)))) (= |c_#valid| v_prenex_1))))) is different from false [2019-12-07 13:26:02,896 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)))) (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))))))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)))) (= v_prenex_1 (store |c_#valid| c_~a8~0.base (_ bv0 1))))))) is different from false [2019-12-07 13:26:02,899 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)))) (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))))))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)))) (= v_prenex_1 (store |c_#valid| c_~a8~0.base (_ bv0 1))))))) is different from true [2019-12-07 13:26:02,974 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_~a8~0.base_85 (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_77)) (not (= (store |c_old(#valid)| v_~a8~0.base_77 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= (store |c_#valid| v_~a8~0.base_85 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (not (= (select |c_#valid| v_~a8~0.base_85) (_ bv0 1))))) is different from false [2019-12-07 13:26:02,979 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 13:26:02,983 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2019-12-07 13:26:02,987 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| c_~a8~0.base (_ bv0 1))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)))) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))))))) is different from false [2019-12-07 13:26:02,991 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| c_~a8~0.base (_ bv0 1))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)))) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))))))) is different from true [2019-12-07 13:26:02,994 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 13:26:02,998 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2019-12-07 13:26:03,001 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 13:26:03,004 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2019-12-07 13:26:03,007 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |c_alloc_8_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)))) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))))))) is different from false [2019-12-07 13:26:03,038 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 13:26:03,040 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2019-12-07 13:26:03,045 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_54| (_ bv0 1))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_54|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)))) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))))))) is different from false [2019-12-07 13:26:03,052 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_54| (_ bv0 1))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_54|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)))) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))))))) is different from true [2019-12-07 13:26:03,055 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-12-07 13:26:03,067 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2019-12-07 13:26:03,075 INFO L430 ElimStorePlain]: Different costs {0=[v_prenex_3, v_prenex_6], 5=[v_prenex_5]} [2019-12-07 13:26:03,078 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|, |v_old(#valid)_BEFORE_CALL_16|]} [2019-12-07 13:26:03,086 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select v_prenex_5 v_prenex_7) (_ bv0 1))) (= v_prenex_6 (store v_prenex_5 v_prenex_7 (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)) (not (= v_prenex_6 (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_9 (_ BitVec 32))) (or (= v_prenex_8 (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_9 (_ bv0 1))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (select v_prenex_5 v_prenex_10) (_ bv0 1)) (not (= v_prenex_8 (store v_prenex_5 v_prenex_10 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_9) (_ bv0 1))))))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))) (= (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1))))) is different from false [2019-12-07 13:26:03,094 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select v_prenex_5 v_prenex_7) (_ bv0 1))) (= v_prenex_6 (store v_prenex_5 v_prenex_7 (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)) (not (= v_prenex_6 (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_9 (_ BitVec 32))) (or (= v_prenex_8 (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_9 (_ bv0 1))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (select v_prenex_5 v_prenex_10) (_ bv0 1)) (not (= v_prenex_8 (store v_prenex_5 v_prenex_10 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_9) (_ bv0 1))))))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))) (= (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1))))) is different from true [2019-12-07 13:26:03,098 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-12-07 13:26:03,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-12-07 13:26:03,106 INFO L430 ElimStorePlain]: Different costs {0=[v_prenex_3, v_prenex_6], 5=[v_prenex_5]} [2019-12-07 13:26:03,109 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|, |v_old(#valid)_BEFORE_CALL_16|]} [2019-12-07 13:26:03,116 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-12-07 13:26:03,121 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-12-07 13:26:03,125 INFO L430 ElimStorePlain]: Different costs {0=[v_prenex_3, v_prenex_6], 5=[v_prenex_5]} [2019-12-07 13:26:03,128 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|, |v_old(#valid)_BEFORE_CALL_16|]} [2019-12-07 13:26:03,141 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_55| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select v_prenex_5 v_prenex_7) (_ bv0 1))) (= v_prenex_6 (store v_prenex_5 v_prenex_7 (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)) (not (= v_prenex_6 (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_9 (_ BitVec 32))) (or (= v_prenex_8 (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_9 (_ bv0 1))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (select v_prenex_5 v_prenex_10) (_ bv0 1)) (not (= v_prenex_8 (store v_prenex_5 v_prenex_10 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_9) (_ bv0 1))))))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))) (= (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1))))) is different from false [2019-12-07 13:26:03,148 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_55| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select v_prenex_5 v_prenex_7) (_ bv0 1))) (= v_prenex_6 (store v_prenex_5 v_prenex_7 (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)) (not (= v_prenex_6 (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_9 (_ BitVec 32))) (or (= v_prenex_8 (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_9 (_ bv0 1))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (select v_prenex_5 v_prenex_10) (_ bv0 1)) (not (= v_prenex_8 (store v_prenex_5 v_prenex_10 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_9) (_ bv0 1))))))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))) (= (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1))))) is different from true [2019-12-07 13:26:03,152 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-12-07 13:26:03,159 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-12-07 13:26:03,162 INFO L430 ElimStorePlain]: Different costs {0=[v_prenex_3, v_prenex_6], 5=[v_prenex_5]} [2019-12-07 13:26:03,165 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|, |v_old(#valid)_BEFORE_CALL_16|]} [2019-12-07 13:26:03,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:03,185 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821064767] [2019-12-07 13:26:03,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:03,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 13] imperfect sequences [] total 21 [2019-12-07 13:26:03,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637278712] [2019-12-07 13:26:03,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-12-07 13:26:03,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:26:03,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-12-07 13:26:03,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=126, Unknown=30, NotChecked=248, Total=462 [2019-12-07 13:26:03,186 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 22 states. [2019-12-07 13:26:23,750 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select v_prenex_5 v_prenex_7) (_ bv0 1))) (= v_prenex_6 (store v_prenex_5 v_prenex_7 (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)) (not (= v_prenex_6 (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_9 (_ BitVec 32))) (or (= v_prenex_8 (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_9 (_ bv0 1))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (select v_prenex_5 v_prenex_10) (_ bv0 1)) (not (= v_prenex_8 (store v_prenex_5 v_prenex_10 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_9) (_ bv0 1))))))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)))) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))) (= (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1))))) (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1)))) is different from false [2019-12-07 13:26:23,758 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_alloc_8_#t~ret38.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |c_alloc_8_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)))) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))))))) (= (select |c_old(#valid)| |c_alloc_8_#t~ret38.base|) (_ bv0 1))) is different from false [2019-12-07 13:26:23,766 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| c_~a8~0.base (_ bv0 1))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)))) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))))))) (= |c_#valid| (store |c_old(#valid)| c_~a8~0.base (_ bv1 1))) (= (_ bv0 1) (select |c_old(#valid)| c_~a8~0.base))) is different from false [2019-12-07 13:26:23,768 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| c_~a8~0.base (_ bv0 1))) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (not (= v_prenex_3 (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)))) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= v_prenex_3 (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1))))))))) (= |c_#valid| (store |c_old(#valid)| c_~a8~0.base (_ bv1 1))) (= (_ bv0 1) (select |c_old(#valid)| c_~a8~0.base))) is different from true [2019-12-07 13:26:27,792 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (= (bvadd (select |c_old(#valid)| |~#ldv_global_msg_list~0.base|) (_ bv1 1)) (_ bv0 1))) (= |c_#valid| |c_old(#valid)|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)))) (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))))))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)))) (= v_prenex_1 (store |c_#valid| c_~a8~0.base (_ bv0 1)))))))) is different from false [2019-12-07 13:26:27,799 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)))) (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))))))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)))) (= v_prenex_1 (store |c_#valid| c_~a8~0.base (_ bv0 1)))))))) is different from false [2019-12-07 13:26:27,805 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)))) (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))))))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)))) (= |c_#valid| v_prenex_1))))) (= |c_#valid| (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)))) is different from false [2019-12-07 13:26:27,808 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)))) (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))))))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)))) (= |c_#valid| v_prenex_1))))) (= |c_#valid| (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)))) is different from true [2019-12-07 13:26:27,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:27,829 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2019-12-07 13:26:27,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 13:26:27,829 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 26 [2019-12-07 13:26:27,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:27,830 INFO L225 Difference]: With dead ends: 26 [2019-12-07 13:26:27,830 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:26:27,830 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 14 IntricatePredicates, 1 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 25.5s TimeCoverageRelationStatistics Valid=92, Invalid=170, Unknown=66, NotChecked=602, Total=930 [2019-12-07 13:26:27,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:26:27,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:26:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:26:27,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:26:27,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 13:26:27,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:27,831 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:26:27,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-12-07 13:26:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:26:27,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:26:28,032 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 13:26:28,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:26:28 BoogieIcfgContainer [2019-12-07 13:26:28,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:26:28,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:26:28,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:26:28,041 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:26:28,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:40" (3/4) ... [2019-12-07 13:26:28,044 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:26:28,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2019-12-07 13:26:28,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_8 [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_8 [2019-12-07 13:26:28,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2019-12-07 13:26:28,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2019-12-07 13:26:28,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2019-12-07 13:26:28,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-12-07 13:26:28,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-12-07 13:26:28,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2019-12-07 13:26:28,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2019-12-07 13:26:28,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-12-07 13:26:28,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-12-07 13:26:28,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2019-12-07 13:26:28,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2019-12-07 13:26:28,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2019-12-07 13:26:28,059 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2019-12-07 13:26:28,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:26:28,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:26:28,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:26:28,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:26:28,103 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_73a818a6-3913-4970-93de-a9015a2fa808/bin/uautomizer/witness.graphml [2019-12-07 13:26:28,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:26:28,105 INFO L168 Benchmark]: Toolchain (without parser) took 48686.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.2 MB). Free memory was 945.7 MB in the beginning and 823.6 MB in the end (delta: 122.1 MB). Peak memory consumption was 353.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:28,105 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:26:28,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:28,106 INFO L168 Benchmark]: Boogie Preprocessor took 63.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:28,106 INFO L168 Benchmark]: RCFGBuilder took 907.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 116.8 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:28,106 INFO L168 Benchmark]: TraceAbstraction took 47220.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 983.2 MB in the beginning and 831.4 MB in the end (delta: 151.8 MB). Peak memory consumption was 237.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:28,107 INFO L168 Benchmark]: Witness Printer took 63.44 ms. Allocated memory is still 1.3 GB. Free memory was 831.4 MB in the beginning and 823.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:28,108 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 429.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 907.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 116.8 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 47220.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 983.2 MB in the beginning and 831.4 MB in the end (delta: 151.8 MB). Peak memory consumption was 237.3 MB. Max. memory is 11.5 GB. * Witness Printer took 63.44 ms. Allocated memory is still 1.3 GB. Free memory was 831.4 MB in the beginning and 823.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 343 locations, 74 error locations. Result: SAFE, OverallTime: 47.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 25.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 152 SDtfs, 96 SDslu, 245 SDs, 0 SdLazy, 197 SolverSat, 42 SolverUnsat, 19 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 206 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 14 IntricatePredicates, 1 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 25.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 240 ConstructedInterpolants, 28 QuantifiedInterpolants, 42906 SizeOfPredicates, 10 NumberOfNonLiveVariables, 570 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...