./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/ddv-machzwd/ddv_machzwd_outl.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 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:06:11,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:06:11,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:06:11,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:06:11,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:06:11,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:06:11,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:06:11,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:06:11,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:06:11,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:06:11,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:06:11,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:06:11,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:06:11,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:06:11,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:06:11,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:06:11,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:06:11,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:06:11,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:06:11,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:06:11,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:06:11,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:06:11,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:06:11,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:06:11,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:06:11,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:06:11,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:06:11,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:06:11,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:06:11,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:06:11,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:06:11,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:06:11,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:06:11,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:06:11,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:06:11,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:06:11,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:06:11,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:06:11,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:06:11,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:06:11,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:06:11,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-15 14:06:11,882 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:06:11,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:06:11,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:06:11,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:06:11,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:06:11,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:06:11,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:06:11,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:06:11,887 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:06:11,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:06:11,888 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:06:11,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:06:11,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:06:11,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:06:11,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:06:11,889 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:06:11,890 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:06:11,890 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:06:11,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:06:11,890 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:06:11,890 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:06:11,890 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:06:11,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:06:11,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:06:11,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:06:11,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:06:11,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:06:11,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:06:11,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 14:06:11,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 14:06:11,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:06:11,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae [2021-12-15 14:06:12,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:06:12,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:06:12,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:06:12,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:06:12,158 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:06:12,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-12-15 14:06:12,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55633968e/723254c96c434ba285aaabf0c0e9758a/FLAG666652728 [2021-12-15 14:06:12,789 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:06:12,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-12-15 14:06:12,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55633968e/723254c96c434ba285aaabf0c0e9758a/FLAG666652728 [2021-12-15 14:06:13,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55633968e/723254c96c434ba285aaabf0c0e9758a [2021-12-15 14:06:13,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:06:13,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:06:13,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:13,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:06:13,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:06:13,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:13" (1/1) ... [2021-12-15 14:06:13,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7b4b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:13, skipping insertion in model container [2021-12-15 14:06:13,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:13" (1/1) ... [2021-12-15 14:06:13,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:06:13,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:06:13,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-12-15 14:06:14,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:14,592 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) [2021-12-15 14:06:14,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@516eea4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:14, skipping insertion in model container [2021-12-15 14:06:14,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:14,594 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 14:06:14,597 INFO L158 Benchmark]: Toolchain (without parser) took 1533.33ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 42.6MB in the beginning and 45.6MB in the end (delta: -3.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-12-15 14:06:14,599 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:06:14,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1529.94ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 42.4MB in the beginning and 45.6MB in the end (delta: -3.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-12-15 14:06:14,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1529.94ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 42.4MB in the beginning and 45.6MB in the end (delta: -3.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2975]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/ddv-machzwd/ddv_machzwd_outl.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 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:06:16,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:06:16,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:06:16,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:06:16,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:06:16,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:06:16,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:06:16,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:06:16,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:06:16,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:06:16,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:06:16,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:06:16,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:06:16,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:06:16,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:06:16,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:06:16,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:06:16,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:06:16,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:06:16,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:06:16,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:06:16,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:06:16,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:06:16,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:06:16,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:06:16,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:06:16,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:06:16,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:06:16,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:06:16,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:06:16,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:06:16,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:06:16,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:06:16,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:06:16,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:06:16,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:06:16,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:06:16,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:06:16,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:06:16,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:06:16,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:06:16,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-15 14:06:16,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:06:16,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:06:16,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:06:16,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:06:16,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:06:16,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:06:16,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:06:16,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:06:16,503 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:06:16,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:06:16,504 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:06:16,504 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:06:16,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:06:16,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:06:16,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:06:16,505 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:06:16,505 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:06:16,505 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:06:16,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:06:16,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:06:16,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 14:06:16,506 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 14:06:16,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:06:16,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:06:16,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:06:16,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:06:16,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:06:16,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:06:16,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:06:16,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:06:16,517 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 14:06:16,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 14:06:16,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:06:16,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 14:06:16,518 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae [2021-12-15 14:06:16,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:06:16,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:06:16,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:06:16,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:06:16,853 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:06:16,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-12-15 14:06:16,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba062d2b/0d44ed8131364d5a8eca49a738313631/FLAGd97ca3c5e [2021-12-15 14:06:17,547 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:06:17,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-12-15 14:06:17,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba062d2b/0d44ed8131364d5a8eca49a738313631/FLAGd97ca3c5e [2021-12-15 14:06:17,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba062d2b/0d44ed8131364d5a8eca49a738313631 [2021-12-15 14:06:17,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:06:17,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:06:17,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:17,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:06:17,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:06:17,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:17" (1/1) ... [2021-12-15 14:06:17,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c95173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:17, skipping insertion in model container [2021-12-15 14:06:17,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:17" (1/1) ... [2021-12-15 14:06:17,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:06:18,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:06:18,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-12-15 14:06:19,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:19,105 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 14:06:19,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:06:19,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-12-15 14:06:19,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:19,354 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 14:06:19,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-12-15 14:06:19,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:19,681 INFO L208 MainTranslator]: Completed translation [2021-12-15 14:06:19,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19 WrapperNode [2021-12-15 14:06:19,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:19,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 14:06:19,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 14:06:19,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 14:06:19,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:19,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:19,863 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 970 [2021-12-15 14:06:19,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 14:06:19,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 14:06:19,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 14:06:19,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 14:06:19,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:19,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:19,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:19,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:19,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:19,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:19,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:19,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 14:06:19,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 14:06:19,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 14:06:19,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 14:06:19,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (1/1) ... [2021-12-15 14:06:20,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:06:20,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 14:06:20,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 14:06:20,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 14:06:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-15 14:06:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-15 14:06:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 14:06:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 14:06:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 14:06:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-15 14:06:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 14:06:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 14:06:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 14:06:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 14:06:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 14:06:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 14:06:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 14:06:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 14:06:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 14:06:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-15 14:06:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-15 14:06:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-15 14:06:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 14:06:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 14:06:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 14:06:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-15 14:06:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-15 14:06:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 14:06:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 14:06:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 14:06:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 14:06:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-15 14:06:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-15 14:06:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-15 14:06:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-15 14:06:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 14:06:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 14:06:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-15 14:06:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-15 14:06:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 14:06:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 14:06:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 14:06:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 14:06:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 14:06:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 14:06:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 14:06:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 14:06:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 14:06:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 14:06:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 14:06:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 14:06:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 14:06:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-15 14:06:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-15 14:06:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 14:06:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 14:06:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 14:06:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 14:06:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-15 14:06:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-15 14:06:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-15 14:06:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-15 14:06:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 14:06:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 14:06:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 14:06:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 14:06:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-15 14:06:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-15 14:06:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-15 14:06:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-15 14:06:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 14:06:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 14:06:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-15 14:06:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-15 14:06:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 14:06:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-15 14:06:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-15 14:06:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 14:06:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 14:06:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 14:06:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 14:06:20,422 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 14:06:20,424 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 14:06:25,424 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 14:06:25,440 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 14:06:25,441 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 14:06:25,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:06:25 BoogieIcfgContainer [2021-12-15 14:06:25,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 14:06:25,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 14:06:25,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 14:06:25,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 14:06:25,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 02:06:17" (1/3) ... [2021-12-15 14:06:25,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59241d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:06:25, skipping insertion in model container [2021-12-15 14:06:25,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:19" (2/3) ... [2021-12-15 14:06:25,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59241d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:06:25, skipping insertion in model container [2021-12-15 14:06:25,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:06:25" (3/3) ... [2021-12-15 14:06:25,467 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl.i [2021-12-15 14:06:25,472 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 14:06:25,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2021-12-15 14:06:25,505 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 14:06:25,511 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 14:06:25,512 INFO L340 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2021-12-15 14:06:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 666 states, 356 states have (on average 1.8202247191011236) internal successors, (648), 566 states have internal predecessors, (648), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2021-12-15 14:06:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-15 14:06:25,553 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 14:06:25,554 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-15 14:06:25,554 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-15 14:06:25,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 14:06:25,562 INFO L85 PathProgramCache]: Analyzing trace with hash 333908101, now seen corresponding path program 1 times [2021-12-15 14:06:25,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 14:06:25,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770975733] [2021-12-15 14:06:25,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 14:06:25,577 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 14:06:25,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 14:06:25,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 14:06:25,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 14:06:25,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 14:06:25,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 14:06:25,960 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 14:06:25,965 INFO L158 Benchmark]: Toolchain (without parser) took 8036.65ms. Allocated memory was 56.6MB in the beginning and 163.6MB in the end (delta: 107.0MB). Free memory was 30.6MB in the beginning and 102.8MB in the end (delta: -72.2MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2021-12-15 14:06:25,965 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:06:25,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1752.46ms. Allocated memory was 56.6MB in the beginning and 90.2MB in the end (delta: 33.6MB). Free memory was 30.4MB in the beginning and 53.5MB in the end (delta: -23.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-12-15 14:06:25,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.57ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 45.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:06:25,967 INFO L158 Benchmark]: Boogie Preprocessor took 126.30ms. Allocated memory is still 90.2MB. Free memory was 45.2MB in the beginning and 36.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:06:25,967 INFO L158 Benchmark]: RCFGBuilder took 5458.78ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 36.8MB in the beginning and 53.6MB in the end (delta: -16.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2021-12-15 14:06:25,967 INFO L158 Benchmark]: TraceAbstraction took 511.33ms. Allocated memory is still 163.6MB. Free memory was 53.6MB in the beginning and 102.8MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:06:25,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1752.46ms. Allocated memory was 56.6MB in the beginning and 90.2MB in the end (delta: 33.6MB). Free memory was 30.4MB in the beginning and 53.5MB in the end (delta: -23.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.57ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 45.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.30ms. Allocated memory is still 90.2MB. Free memory was 45.2MB in the beginning and 36.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5458.78ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 36.8MB in the beginning and 53.6MB in the end (delta: -16.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 511.33ms. Allocated memory is still 163.6MB. Free memory was 53.6MB in the beginning and 102.8MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 14:06:26,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable