./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b6943849e6f46346ed71c5d8e09de50318fefe6a ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b6943849e6f46346ed71c5d8e09de50318fefe6a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:09:11,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:09:11,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:09:11,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:09:11,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:09:11,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:09:11,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:09:11,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:09:11,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:09:11,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:09:11,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:09:11,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:09:11,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:09:11,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:09:11,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:09:11,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:09:11,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:09:11,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:09:11,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:09:11,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:09:11,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:09:11,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:09:11,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:09:11,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:09:11,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:09:11,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:09:11,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:09:11,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:09:11,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:09:11,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:09:11,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:09:11,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:09:11,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:09:11,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:09:11,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:09:11,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:09:11,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:09:11,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:09:11,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:09:11,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:09:11,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:09:11,801 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:09:11,825 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:09:11,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:09:11,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:09:11,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:09:11,827 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:09:11,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:09:11,828 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:09:11,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:09:11,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:09:11,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:09:11,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:09:11,829 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:09:11,829 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:09:11,830 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:09:11,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:09:11,830 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:09:11,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:09:11,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:09:11,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:09:11,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:09:11,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:09:11,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:09:11,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:11,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:09:11,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:09:11,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:09:11,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:09:11,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:09:11,834 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2020-10-19 18:09:12,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:09:12,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:09:12,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:09:12,227 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:09:12,227 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:09:12,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-10-19 18:09:12,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8408f343/060270e0718d4a11aa3a839a3044ce28/FLAG1a4ba1ba1 [2020-10-19 18:09:12,866 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:09:12,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-10-19 18:09:12,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8408f343/060270e0718d4a11aa3a839a3044ce28/FLAG1a4ba1ba1 [2020-10-19 18:09:13,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8408f343/060270e0718d4a11aa3a839a3044ce28 [2020-10-19 18:09:13,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:09:13,127 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:09:13,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:13,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:09:13,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:09:13,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401c0178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13, skipping insertion in model container [2020-10-19 18:09:13,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:13" (1/1) ... [2020-10-19 18:09:13,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:09:13,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:13,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:13,741 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-19 18:09:13,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d9985fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:13, skipping insertion in model container [2020-10-19 18:09:13,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:13,743 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:09:13,746 INFO L168 Benchmark]: Toolchain (without parser) took 621.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:13,747 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:09:13,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:09:13,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 615.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 21.2 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 0.1.25-906a4fb [2020-10-19 18:09:15,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:09:15,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:09:15,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:09:15,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:09:15,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:09:15,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:09:15,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:09:15,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:09:15,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:09:15,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:09:15,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:09:15,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:09:15,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:09:15,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:09:15,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:09:15,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:09:15,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:09:15,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:09:15,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:09:15,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:09:15,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:09:15,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:09:15,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:09:15,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:09:15,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:09:15,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:09:15,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:09:15,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:09:15,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:09:15,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:09:15,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:09:15,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:09:15,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:09:15,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:09:15,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:09:15,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:09:15,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:09:15,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:09:15,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:09:15,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:09:15,464 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:09:15,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:09:15,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:09:15,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:09:15,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:09:15,489 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:09:15,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:09:15,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:09:15,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:09:15,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:09:15,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:09:15,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:09:15,491 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:09:15,491 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:09:15,491 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:09:15,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:09:15,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:09:15,492 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:09:15,492 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:09:15,492 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:09:15,493 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:09:15,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:09:15,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:09:15,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:09:15,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:09:15,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:15,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:09:15,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:09:15,495 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:09:15,495 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:09:15,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:09:15,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:09:15,496 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2020-10-19 18:09:15,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:09:15,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:09:15,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:09:15,832 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:09:15,833 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:09:15,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-10-19 18:09:15,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17dc35c7a/329df4424e1b4d2b85c6a069e1b723c8/FLAGe38a1a040 [2020-10-19 18:09:16,384 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:09:16,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-10-19 18:09:16,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17dc35c7a/329df4424e1b4d2b85c6a069e1b723c8/FLAGe38a1a040 [2020-10-19 18:09:16,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17dc35c7a/329df4424e1b4d2b85c6a069e1b723c8 [2020-10-19 18:09:16,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:09:16,732 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:09:16,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:16,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:09:16,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:09:16,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:16" (1/1) ... [2020-10-19 18:09:16,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf9ab86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:16, skipping insertion in model container [2020-10-19 18:09:16,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:09:16" (1/1) ... [2020-10-19 18:09:16,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:09:16,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:17,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:17,446 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:09:17,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:09:17,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:17,515 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:09:17,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:09:17,676 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:09:17,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17 WrapperNode [2020-10-19 18:09:17,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:09:17,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:09:17,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:09:17,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:09:17,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17" (1/1) ... [2020-10-19 18:09:17,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17" (1/1) ... [2020-10-19 18:09:17,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17" (1/1) ... [2020-10-19 18:09:17,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17" (1/1) ... [2020-10-19 18:09:17,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17" (1/1) ... [2020-10-19 18:09:17,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17" (1/1) ... [2020-10-19 18:09:17,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17" (1/1) ... [2020-10-19 18:09:17,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:09:17,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:09:17,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:09:17,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:09:17,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:09:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:09:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:09:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:09:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:09:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:09:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:09:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:09:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:09:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:09:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:09:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:09:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:09:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:09:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:09:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:09:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:09:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:09:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:09:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:09:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:09:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:09:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:09:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:09:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:09:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:09:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:09:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:09:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:09:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:09:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:09:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:09:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:09:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:09:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:09:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:09:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:09:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:09:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:09:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:09:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:09:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:09:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:09:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2020-10-19 18:09:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2020-10-19 18:09:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2020-10-19 18:09:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2020-10-19 18:09:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure free_20 [2020-10-19 18:09:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:09:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:09:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:09:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:09:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:09:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:09:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:09:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:09:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:09:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:09:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:09:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:09:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:09:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:09:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:09:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:09:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:09:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:09:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:09:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:09:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:09:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:09:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:09:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:09:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:09:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:09:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:09:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:09:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:09:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:09:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:09:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:09:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:09:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:09:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:09:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:09:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:09:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:09:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:09:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:09:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:09:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:09:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:09:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:09:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:09:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:09:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:09:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:09:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:09:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:09:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:09:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:09:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:09:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:09:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:09:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:09:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:09:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:09:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:09:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:09:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:09:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:09:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:09:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:09:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:09:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:09:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:09:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:09:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:09:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:09:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:09:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:09:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:09:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:09:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:09:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:09:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:09:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:09:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:09:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:09:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:09:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:09:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:09:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:09:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:09:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:09:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:09:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:09:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:09:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:09:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:09:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:09:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:09:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:09:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:09:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:09:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:09:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:09:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:09:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:09:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:09:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:09:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:09:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:09:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:09:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:09:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:09:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:09:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:09:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:09:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:09:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:09:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:09:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:09:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:09:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:09:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:09:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:09:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:09:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:09:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:09:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:09:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:09:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:09:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:09:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:09:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:09:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:09:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:09:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:09:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:09:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:09:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:09:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:09:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:09:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:09:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:09:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:09:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:09:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:09:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:09:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:09:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:09:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:09:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:09:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:09:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:09:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:09:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:09:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:09:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:09:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:09:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:09:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:09:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:09:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:09:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:09:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:09:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:09:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2020-10-19 18:09:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2020-10-19 18:09:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2020-10-19 18:09:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2020-10-19 18:09:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure free_20 [2020-10-19 18:09:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:09:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:09:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:09:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:09:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:09:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:09:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:09:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:09:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:09:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:09:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:09:18,533 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:09:18,875 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:09:19,252 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:09:19,253 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:09:19,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:19 BoogieIcfgContainer [2020-10-19 18:09:19,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:09:19,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:09:19,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:09:19,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:09:19,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:09:16" (1/3) ... [2020-10-19 18:09:19,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5800ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:09:19, skipping insertion in model container [2020-10-19 18:09:19,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:09:17" (2/3) ... [2020-10-19 18:09:19,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5800ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:09:19, skipping insertion in model container [2020-10-19 18:09:19,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:19" (3/3) ... [2020-10-19 18:09:19,264 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-2.i [2020-10-19 18:09:19,278 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:09:19,293 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-19 18:09:19,310 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-19 18:09:19,337 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:09:19,338 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:09:19,338 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:09:19,339 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:09:19,339 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:09:19,340 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:09:19,340 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:09:19,341 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:09:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-10-19 18:09:19,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 18:09:19,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:19,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:19,386 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-10-19 18:09:19,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:19,398 INFO L82 PathProgramCache]: Analyzing trace with hash -2108151956, now seen corresponding path program 1 times [2020-10-19 18:09:19,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:19,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477688906] [2020-10-19 18:09:19,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:19,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:09:19,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:19,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:19,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:19,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477688906] [2020-10-19 18:09:19,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:19,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-19 18:09:19,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948979654] [2020-10-19 18:09:19,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:09:19,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:19,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:09:19,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:09:19,854 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 5 states. [2020-10-19 18:09:19,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:19,895 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2020-10-19 18:09:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:09:19,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-19 18:09:19,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:19,910 INFO L225 Difference]: With dead ends: 50 [2020-10-19 18:09:19,911 INFO L226 Difference]: Without dead ends: 47 [2020-10-19 18:09:19,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:09:19,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-19 18:09:19,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2020-10-19 18:09:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-19 18:09:19,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2020-10-19 18:09:19,962 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 24 [2020-10-19 18:09:19,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:19,963 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2020-10-19 18:09:19,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:09:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-10-19 18:09:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-19 18:09:19,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:19,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:20,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:09:20,178 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-10-19 18:09:20,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:20,179 INFO L82 PathProgramCache]: Analyzing trace with hash -600600147, now seen corresponding path program 1 times [2020-10-19 18:09:20,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:20,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713272265] [2020-10-19 18:09:20,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:20,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 21 conjunts are in the unsatisfiable core [2020-10-19 18:09:20,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:20,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:20,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713272265] [2020-10-19 18:09:20,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:20,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2020-10-19 18:09:20,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507818777] [2020-10-19 18:09:20,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-19 18:09:20,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:20,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 18:09:20,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-19 18:09:20,609 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 9 states. [2020-10-19 18:09:21,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:21,085 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2020-10-19 18:09:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-19 18:09:21,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-10-19 18:09:21,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:21,088 INFO L225 Difference]: With dead ends: 60 [2020-10-19 18:09:21,088 INFO L226 Difference]: Without dead ends: 60 [2020-10-19 18:09:21,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-19 18:09:21,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-19 18:09:21,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2020-10-19 18:09:21,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-19 18:09:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2020-10-19 18:09:21,099 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 24 [2020-10-19 18:09:21,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:21,100 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2020-10-19 18:09:21,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-19 18:09:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-10-19 18:09:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-19 18:09:21,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:21,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:21,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:09:21,325 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-10-19 18:09:21,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:21,326 INFO L82 PathProgramCache]: Analyzing trace with hash 976042921, now seen corresponding path program 1 times [2020-10-19 18:09:21,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:21,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918534392] [2020-10-19 18:09:21,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:21,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-19 18:09:21,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:21,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:21,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:21,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918534392] [2020-10-19 18:09:21,789 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:09:21,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [562475770] [2020-10-19 18:09:21,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 18:09:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:22,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-19 18:09:22,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:22,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:22,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:22,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 12 [2020-10-19 18:09:22,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146776745] [2020-10-19 18:09:22,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-19 18:09:22,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:22,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-19 18:09:22,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-19 18:09:22,342 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 13 states. [2020-10-19 18:09:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:22,540 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-10-19 18:09:22,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-19 18:09:22,541 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2020-10-19 18:09:22,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:22,542 INFO L225 Difference]: With dead ends: 55 [2020-10-19 18:09:22,542 INFO L226 Difference]: Without dead ends: 55 [2020-10-19 18:09:22,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 77 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-10-19 18:09:22,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-19 18:09:22,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2020-10-19 18:09:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-19 18:09:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-10-19 18:09:22,550 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 28 [2020-10-19 18:09:22,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:22,551 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-10-19 18:09:22,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-19 18:09:22,551 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-10-19 18:09:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-19 18:09:22,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:22,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:22,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 18:09:22,975 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-10-19 18:09:22,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:22,976 INFO L82 PathProgramCache]: Analyzing trace with hash 192559894, now seen corresponding path program 1 times [2020-10-19 18:09:22,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:22,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155564899] [2020-10-19 18:09:22,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:23,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-19 18:09:23,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:23,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:23,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155564899] [2020-10-19 18:09:23,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:23,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [] total 21 [2020-10-19 18:09:23,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742259374] [2020-10-19 18:09:23,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-19 18:09:23,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:23,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-19 18:09:23,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2020-10-19 18:09:23,999 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 22 states. [2020-10-19 18:09:25,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:25,602 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2020-10-19 18:09:25,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-19 18:09:25,603 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 29 [2020-10-19 18:09:25,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:25,605 INFO L225 Difference]: With dead ends: 77 [2020-10-19 18:09:25,605 INFO L226 Difference]: Without dead ends: 77 [2020-10-19 18:09:25,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=250, Invalid=1232, Unknown=0, NotChecked=0, Total=1482 [2020-10-19 18:09:25,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-19 18:09:25,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 53. [2020-10-19 18:09:25,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-19 18:09:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2020-10-19 18:09:25,616 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 29 [2020-10-19 18:09:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:25,616 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2020-10-19 18:09:25,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-19 18:09:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2020-10-19 18:09:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-19 18:09:25,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:25,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:25,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 18:09:25,820 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-10-19 18:09:25,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:25,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1674389835, now seen corresponding path program 1 times [2020-10-19 18:09:25,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:25,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401626250] [2020-10-19 18:09:25,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:25,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-19 18:09:25,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:26,011 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-19 18:09:26,012 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:26,015 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:26,016 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:09:26,016 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:09:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:26,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:26,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401626250] [2020-10-19 18:09:26,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:26,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 13 [2020-10-19 18:09:26,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570497108] [2020-10-19 18:09:26,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-19 18:09:26,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:26,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-19 18:09:26,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-19 18:09:26,424 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 14 states. [2020-10-19 18:09:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:26,881 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2020-10-19 18:09:26,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-19 18:09:26,882 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2020-10-19 18:09:26,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:26,883 INFO L225 Difference]: With dead ends: 71 [2020-10-19 18:09:26,883 INFO L226 Difference]: Without dead ends: 71 [2020-10-19 18:09:26,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2020-10-19 18:09:26,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-19 18:09:26,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 66. [2020-10-19 18:09:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-19 18:09:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-10-19 18:09:26,893 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 30 [2020-10-19 18:09:26,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:26,893 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-10-19 18:09:26,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-19 18:09:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-10-19 18:09:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-19 18:09:26,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:26,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:27,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-19 18:09:27,098 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-10-19 18:09:27,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:27,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1885740748, now seen corresponding path program 1 times [2020-10-19 18:09:27,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:27,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763358017] [2020-10-19 18:09:27,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:27,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:09:27,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:27,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:27,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763358017] [2020-10-19 18:09:27,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:27,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-19 18:09:27,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505228132] [2020-10-19 18:09:27,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:09:27,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:27,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:09:27,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:09:27,344 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 5 states. [2020-10-19 18:09:27,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:27,358 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2020-10-19 18:09:27,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:09:27,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-19 18:09:27,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:27,359 INFO L225 Difference]: With dead ends: 52 [2020-10-19 18:09:27,360 INFO L226 Difference]: Without dead ends: 52 [2020-10-19 18:09:27,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:09:27,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-19 18:09:27,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-19 18:09:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-19 18:09:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2020-10-19 18:09:27,366 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 30 [2020-10-19 18:09:27,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:27,366 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2020-10-19 18:09:27,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:09:27,367 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2020-10-19 18:09:27,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-19 18:09:27,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:27,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:27,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-19 18:09:27,576 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-10-19 18:09:27,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:27,577 INFO L82 PathProgramCache]: Analyzing trace with hash 844909557, now seen corresponding path program 1 times [2020-10-19 18:09:27,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:27,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745676891] [2020-10-19 18:09:27,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:27,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:09:27,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:27,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:27,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:27,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745676891] [2020-10-19 18:09:27,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:27,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 18:09:27,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960861189] [2020-10-19 18:09:27,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:09:27,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:27,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:09:27,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:09:27,842 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 3 states. [2020-10-19 18:09:27,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:09:27,883 INFO L93 Difference]: Finished difference Result 56 states and 55 transitions. [2020-10-19 18:09:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:09:27,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-10-19 18:09:27,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:09:27,885 INFO L225 Difference]: With dead ends: 56 [2020-10-19 18:09:27,885 INFO L226 Difference]: Without dead ends: 37 [2020-10-19 18:09:27,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:09:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-19 18:09:27,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-19 18:09:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-19 18:09:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2020-10-19 18:09:27,890 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 29 [2020-10-19 18:09:27,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:09:27,890 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2020-10-19 18:09:27,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:09:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2020-10-19 18:09:27,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-19 18:09:27,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:09:27,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:09:28,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-19 18:09:28,094 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-10-19 18:09:28,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:09:28,095 INFO L82 PathProgramCache]: Analyzing trace with hash -548127480, now seen corresponding path program 1 times [2020-10-19 18:09:28,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:09:28,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670731602] [2020-10-19 18:09:28,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-10-19 18:09:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:09:28,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 25 conjunts are in the unsatisfiable core [2020-10-19 18:09:28,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:09:28,322 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2020-10-19 18:09:28,323 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:28,326 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:28,327 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 18:09:28,327 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2020-10-19 18:09:28,404 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-10-19 18:09:28,407 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:09:28,409 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:09:28,409 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:09:28,409 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2020-10-19 18:09:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:36,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:09:56,042 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,053 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_17| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-19 18:09:56,057 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_17| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from true [2020-10-19 18:09:56,076 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,113 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,123 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-19 18:09:56,130 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from true [2020-10-19 18:09:56,147 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,163 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,181 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,191 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-19 18:09:56,196 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from true [2020-10-19 18:09:56,210 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,219 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_free_20_#t~ret39.base| (_ bv0 1))))) is different from false [2020-10-19 18:09:56,251 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,259 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-10-19 18:09:56,263 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-10-19 18:09:56,286 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:56,292 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:56,295 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4], 5=[v_prenex_3]} [2020-10-19 18:09:56,301 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|, |v_old(#valid)_BEFORE_CALL_19|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,322 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_get_device_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-19 18:09:56,332 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_get_device_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))))) is different from true [2020-10-19 18:09:56,353 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:56,358 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:56,362 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4], 5=[v_prenex_3]} [2020-10-19 18:09:56,367 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|, |v_old(#valid)_BEFORE_CALL_19|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,403 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:56,409 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:56,411 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4], 5=[v_prenex_3]} [2020-10-19 18:09:56,416 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|, |v_old(#valid)_BEFORE_CALL_19|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-19 18:09:56,434 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-10-19 18:09:56,443 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-10-19 18:09:58,707 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:58,718 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-19 18:09:58,727 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-10-19 18:09:58,732 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-10-19 18:09:58,741 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:58,751 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-19 18:09:58,793 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:58,804 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-19 18:09:58,815 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) is different from false [2020-10-19 18:09:58,821 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) is different from true [2020-10-19 18:09:58,889 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:58,896 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-10-19 18:09:58,903 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_11, v_prenex_12], 5=[v_prenex_10]} [2020-10-19 18:09:58,910 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_21|, |v_old(#valid)_BEFORE_CALL_20|]} [2020-10-19 18:09:58,954 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) is different from false [2020-10-19 18:09:58,962 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) is different from true [2020-10-19 18:09:59,025 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:59,033 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-10-19 18:09:59,036 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_11, v_prenex_12], 5=[v_prenex_10]} [2020-10-19 18:09:59,045 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_21|, |v_old(#valid)_BEFORE_CALL_20|]} [2020-10-19 18:09:59,150 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:59,160 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-10-19 18:09:59,164 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_11, v_prenex_12], 5=[v_prenex_10]} [2020-10-19 18:09:59,171 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_21|, |v_old(#valid)_BEFORE_CALL_20|]} [2020-10-19 18:09:59,220 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) is different from false [2020-10-19 18:09:59,230 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) is different from true [2020-10-19 18:09:59,240 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:59,247 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-19 18:09:59,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:59,268 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-19 18:09:59,279 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_alloc_20_#t~ret38.base| (_ bv0 1))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))))) is different from false [2020-10-19 18:09:59,289 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_alloc_20_#t~ret38.base| (_ bv0 1))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))))) is different from true [2020-10-19 18:09:59,351 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:09:59,356 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-19 18:09:59,366 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_20_#t~ret38.base_88|))))) is different from false [2020-10-19 18:09:59,377 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_20_#t~ret38.base_88|))))) is different from true [2020-10-19 18:09:59,421 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:59,431 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:09:59,434 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-10-19 18:09:59,439 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-10-19 18:09:59,463 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21)))))) is different from false [2020-10-19 18:09:59,474 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21)))))) is different from true [2020-10-19 18:09:59,501 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:59,508 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:09:59,511 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-10-19 18:09:59,516 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-10-19 18:09:59,584 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:59,591 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:09:59,595 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-10-19 18:09:59,599 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-10-19 18:09:59,647 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_72| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_72|))) (= (store |c_#valid| |v_ldv_malloc_#res.base_72| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21)))))) is different from false [2020-10-19 18:09:59,657 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_72| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_72|))) (= (store |c_#valid| |v_ldv_malloc_#res.base_72| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21)))))) is different from true [2020-10-19 18:09:59,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:09:59,712 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:09:59,716 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-10-19 18:09:59,722 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-10-19 18:09:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:09:59,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670731602] [2020-10-19 18:09:59,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:09:59,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 21] imperfect sequences [] total 33 [2020-10-19 18:09:59,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174522096] [2020-10-19 18:09:59,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-19 18:09:59,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:09:59,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-19 18:09:59,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=249, Unknown=66, NotChecked=720, Total=1122 [2020-10-19 18:09:59,816 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 34 states. [2020-10-19 18:10:18,695 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21))))))) is different from false [2020-10-19 18:10:18,703 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (select |c_old(#valid)| |c_alloc_20_#t~ret38.base|)) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_alloc_20_#t~ret38.base| (_ bv0 1))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))))) (= |c_#valid| (store |c_old(#valid)| |c_alloc_20_#t~ret38.base| (_ bv1 1)))) is different from false [2020-10-19 18:10:18,711 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| c_alloc_20_~p~0.base (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| c_alloc_20_~p~0.base))) is different from false [2020-10-19 18:10:18,723 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8)))))))) is different from false [2020-10-19 18:10:18,729 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8)))))))) is different from true [2020-10-19 18:10:18,740 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) (= c_~saved_device_20~0.base |c_ldv_register_device_#in~dev.base|)) is different from false [2020-10-19 18:10:18,747 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) (= c_~saved_device_20~0.base |c_ldv_register_device_#in~dev.base|)) is different from true [2020-10-19 18:10:18,755 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv1 1)) |c_#valid|) (= (select |c_old(#valid)| c_~saved_device_20~0.base) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) is different from false [2020-10-19 18:10:24,785 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) is different from false [2020-10-19 18:10:24,793 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_get_device_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))))) (= c_~saved_device_20~0.base |c_ldv_get_device_#res.base|)) is different from false [2020-10-19 18:10:24,801 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_free_20_#t~ret39.base| c_~saved_device_20~0.base) (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_free_20_#t~ret39.base| (_ bv0 1)))))) is different from false [2020-10-19 18:10:24,808 WARN L838 $PredicateComparison]: unable to prove that (and (= c_~saved_device_20~0.base c_free_20_~dev~0.base) (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))))))) is different from false [2020-10-19 18:10:24,819 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) (= c_~saved_device_20~0.base c_free_20_~p~1.base)) is different from false [2020-10-19 18:10:24,825 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_17| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) |c_#valid|)) is different from false [2020-10-19 18:10:24,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:10:24,910 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2020-10-19 18:10:24,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-19 18:10:24,910 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 36 [2020-10-19 18:10:24,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:10:24,912 INFO L225 Difference]: With dead ends: 36 [2020-10-19 18:10:24,912 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 18:10:24,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 27 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=140, Invalid=381, Unknown=93, NotChecked=1836, Total=2450 [2020-10-19 18:10:24,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 18:10:24,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 18:10:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 18:10:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 18:10:24,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-10-19 18:10:24,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:10:24,915 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:10:24,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-19 18:10:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:10:24,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:10:25,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-10-19 18:10:25,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:10:25 BoogieIcfgContainer [2020-10-19 18:10:25,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:10:25,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:10:25,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:10:25,126 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:10:25,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:09:19" (3/4) ... [2020-10-19 18:10:25,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:10:25,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-10-19 18:10:25,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_20 [2020-10-19 18:10:25,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:10:25,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-10-19 18:10:25,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_register_device [2020-10-19 18:10:25,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-10-19 18:10:25,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-10-19 18:10:25,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-19 18:10:25,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_deregister_device [2020-10-19 18:10:25,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:10:25,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-10-19 18:10:25,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-10-19 18:10:25,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-10-19 18:10:25,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-10-19 18:10:25,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-10-19 18:10:25,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-10-19 18:10:25,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-10-19 18:10:25,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-10-19 18:10:25,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-10-19 18:10:25,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-10-19 18:10:25,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-10-19 18:10:25,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_get_device [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-10-19 18:10:25,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-10-19 18:10:25,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-10-19 18:10:25,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-10-19 18:10:25,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-10-19 18:10:25,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-10-19 18:10:25,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-10-19 18:10:25,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-10-19 18:10:25,144 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-10-19 18:10:25,144 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-10-19 18:10:25,144 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-10-19 18:10:25,144 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-10-19 18:10:25,144 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-10-19 18:10:25,144 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-10-19 18:10:25,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-10-19 18:10:25,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-19 18:10:25,146 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_20 [2020-10-19 18:10:25,146 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-10-19 18:10:25,146 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-10-19 18:10:25,146 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-10-19 18:10:25,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-10-19 18:10:25,157 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2020-10-19 18:10:25,158 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-19 18:10:25,158 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:10:25,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:10:25,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:10:25,237 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:10:25,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:10:25,242 INFO L168 Benchmark]: Toolchain (without parser) took 68518.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 950.6 MB in the beginning and 878.1 MB in the end (delta: 72.5 MB). Peak memory consumption was 386.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:25,245 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:10:25,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 941.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -118.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:25,246 INFO L168 Benchmark]: Boogie Preprocessor took 97.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:10:25,246 INFO L168 Benchmark]: RCFGBuilder took 1479.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.2 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:25,247 INFO L168 Benchmark]: TraceAbstraction took 65867.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 191.4 MB). Free memory was 949.5 MB in the beginning and 887.4 MB in the end (delta: 62.1 MB). Peak memory consumption was 253.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:25,247 INFO L168 Benchmark]: Witness Printer took 115.61 ms. Allocated memory is still 1.3 GB. Free memory was 887.4 MB in the beginning and 878.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:25,249 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 941.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -118.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1479.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.2 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 65867.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 191.4 MB). Free memory was 949.5 MB in the beginning and 887.4 MB in the end (delta: 62.1 MB). Peak memory consumption was 253.5 MB. Max. memory is 11.5 GB. * Witness Printer took 115.61 ms. Allocated memory is still 1.3 GB. Free memory was 887.4 MB in the beginning and 878.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 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: 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: 789]: 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: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free 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 52 procedures, 356 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 65.7s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 27.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 290 SDtfs, 254 SDslu, 1116 SDs, 0 SdLazy, 1164 SolverSat, 133 SolverUnsat, 15 SolverUnknown, 0 SolverNotchecked, 23.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 394 SyntacticMatches, 7 SemanticMatches, 137 ConstructedPredicates, 27 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 34.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 38 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 33.9s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 444 ConstructedInterpolants, 43 QuantifiedInterpolants, 108537 SizeOfPredicates, 38 NumberOfNonLiveVariables, 929 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...