./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.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_inb.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 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:05:52,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:05:52,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:05:52,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:05:52,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:05:52,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:05:52,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:05:52,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:05:52,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:05:52,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:05:52,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:05:52,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:05:52,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:05:52,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:05:52,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:05:52,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:05:52,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:05:52,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:05:52,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:05:52,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:05:52,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:05:52,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:05:52,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:05:52,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:05:52,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:05:52,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:05:52,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:05:52,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:05:52,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:05:52,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:05:52,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:05:52,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:05:52,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:05:52,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:05:52,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:05:52,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:05:52,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:05:52,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:05:52,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:05:52,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:05:52,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:05:52,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-15 14:05:52,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:05:52,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:05:52,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:05:52,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:05:52,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:05:52,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:05:52,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:05:52,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:05:52,811 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:05:52,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:05:52,812 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:05:52,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:05:52,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:05:52,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:05:52,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:05:52,813 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:05:52,813 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:05:52,813 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:05:52,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:05:52,814 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:05:52,814 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:05:52,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:05:52,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:05:52,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:05:52,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:05:52,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:05:52,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:05:52,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:05:52,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 14:05:52,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 14:05:52,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:05:52,816 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 [2021-12-15 14:05:53,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:05:53,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:05:53,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:05:53,038 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:05:53,040 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:05:53,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-12-15 14:05:53,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8da17b6dc/a606578ceb574760888d1510e1b65785/FLAG4b8b2e3f6 [2021-12-15 14:05:53,696 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:05:53,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-12-15 14:05:53,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8da17b6dc/a606578ceb574760888d1510e1b65785/FLAG4b8b2e3f6 [2021-12-15 14:05:54,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8da17b6dc/a606578ceb574760888d1510e1b65785 [2021-12-15 14:05:54,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:05:54,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:05:54,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:05:54,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:05:54,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:05:54,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:05:54" (1/1) ... [2021-12-15 14:05:54,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c050e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:54, skipping insertion in model container [2021-12-15 14:05:54,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:05:54" (1/1) ... [2021-12-15 14:05:54,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:05:54,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:05:54,274 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_inb.i[455,468] [2021-12-15 14:05:54,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:05:54,941 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 14:05:54,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@523c79e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:54, skipping insertion in model container [2021-12-15 14:05:54,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:05:54,943 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 14:05:54,944 INFO L158 Benchmark]: Toolchain (without parser) took 852.16ms. Allocated memory is still 109.1MB. Free memory was 85.8MB in the beginning and 43.2MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-15 14:05:54,945 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 63.2MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:05:54,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.57ms. Allocated memory is still 109.1MB. Free memory was 85.8MB in the beginning and 43.2MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-15 14:05:54,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 63.2MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.57ms. Allocated memory is still 109.1MB. Free memory was 85.8MB in the beginning and 43.2MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. 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_inb.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 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:05:56,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:05:56,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:05:56,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:05:56,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:05:56,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:05:56,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:05:56,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:05:56,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:05:56,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:05:56,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:05:56,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:05:56,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:05:56,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:05:56,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:05:56,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:05:56,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:05:56,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:05:56,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:05:56,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:05:56,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:05:56,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:05:56,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:05:56,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:05:56,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:05:56,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:05:56,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:05:56,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:05:56,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:05:56,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:05:56,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:05:56,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:05:56,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:05:56,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:05:56,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:05:56,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:05:56,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:05:56,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:05:56,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:05:56,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:05:56,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:05:56,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-15 14:05:56,617 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:05:56,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:05:56,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:05:56,618 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:05:56,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:05:56,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:05:56,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:05:56,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:05:56,620 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:05:56,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:05:56,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:05:56,621 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:05:56,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:05:56,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:05:56,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:05:56,621 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:05:56,622 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:05:56,622 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:05:56,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:05:56,622 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:05:56,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 14:05:56,622 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 14:05:56,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:05:56,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:05:56,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:05:56,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:05:56,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:05:56,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:05:56,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:05:56,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:05:56,628 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 14:05:56,629 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 14:05:56,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:05:56,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 14:05:56,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 [2021-12-15 14:05:56,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:05:56,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:05:56,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:05:56,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:05:56,888 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:05:56,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-12-15 14:05:56,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b64f98df/4b88f3efc3c94e098c944f51885cf2a5/FLAG22fd7c7b4 [2021-12-15 14:05:57,416 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:05:57,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-12-15 14:05:57,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b64f98df/4b88f3efc3c94e098c944f51885cf2a5/FLAG22fd7c7b4 [2021-12-15 14:05:57,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b64f98df/4b88f3efc3c94e098c944f51885cf2a5 [2021-12-15 14:05:57,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:05:57,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:05:57,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:05:57,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:05:57,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:05:57,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:05:57" (1/1) ... [2021-12-15 14:05:57,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1699ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:57, skipping insertion in model container [2021-12-15 14:05:57,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:05:57" (1/1) ... [2021-12-15 14:05:57,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:05:57,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:05:57,901 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_inb.i[455,468] [2021-12-15 14:05:58,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:05:58,791 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 14:05:58,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:05:58,820 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_inb.i[455,468] [2021-12-15 14:05:58,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:05:58,970 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 14:05:58,979 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_inb.i[455,468] [2021-12-15 14:05:59,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:05:59,169 INFO L208 MainTranslator]: Completed translation [2021-12-15 14:05:59,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59 WrapperNode [2021-12-15 14:05:59,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:05:59,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 14:05:59,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 14:05:59,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 14:05:59,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,292 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 970 [2021-12-15 14:05:59,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 14:05:59,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 14:05:59,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 14:05:59,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 14:05:59,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 14:05:59,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 14:05:59,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 14:05:59,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 14:05:59,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (1/1) ... [2021-12-15 14:05:59,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:05:59,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 14:05:59,438 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 14:05:59,440 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 14:05:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-15 14:05:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-15 14:05:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 14:05:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 14:05:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 14:05:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-15 14:05:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 14:05:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 14:05:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 14:05:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 14:05:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 14:05:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 14:05:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 14:05:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 14:05:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 14:05:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-15 14:05:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-15 14:05:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-15 14:05:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 14:05:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 14:05:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 14:05:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-15 14:05:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-15 14:05:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 14:05:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 14:05:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 14:05:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 14:05:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-15 14:05:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-15 14:05:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-15 14:05:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-15 14:05:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 14:05:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 14:05:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-15 14:05:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-15 14:05:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 14:05:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 14:05:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 14:05:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 14:05:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 14:05:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 14:05:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 14:05:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 14:05:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 14:05:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 14:05:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 14:05:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 14:05:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 14:05:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-15 14:05:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-15 14:05:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 14:05:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 14:05:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 14:05:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 14:05:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-15 14:05:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-15 14:05:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-15 14:05:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-15 14:05:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 14:05:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 14:05:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 14:05:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 14:05:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-15 14:05:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-15 14:05:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-15 14:05:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-15 14:05:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 14:05:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 14:05:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-15 14:05:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-15 14:05:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 14:05:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-15 14:05:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-15 14:05:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 14:05:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 14:05:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 14:05:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 14:05:59,785 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 14:05:59,786 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 14:06:03,817 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 14:06:03,830 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 14:06:03,830 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 14:06:03,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:06:03 BoogieIcfgContainer [2021-12-15 14:06:03,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 14:06:03,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 14:06:03,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 14:06:03,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 14:06:03,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 02:05:57" (1/3) ... [2021-12-15 14:06:03,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e84373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:06:03, skipping insertion in model container [2021-12-15 14:06:03,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:05:59" (2/3) ... [2021-12-15 14:06:03,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e84373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:06:03, skipping insertion in model container [2021-12-15 14:06:03,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:06:03" (3/3) ... [2021-12-15 14:06:03,852 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb.i [2021-12-15 14:06:03,855 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 14:06:03,856 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2021-12-15 14:06:03,895 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 14:06:03,900 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 14:06:03,900 INFO L340 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2021-12-15 14:06:03,928 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 14:06:03,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-15 14:06:03,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 14:06:03,934 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-15 14:06:03,934 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 14:06:03,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 14:06:03,938 INFO L85 PathProgramCache]: Analyzing trace with hash 333908101, now seen corresponding path program 1 times [2021-12-15 14:06:03,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 14:06:03,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91734159] [2021-12-15 14:06:03,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 14:06:03,950 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 14:06:03,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 14:06:03,965 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 14:06:04,011 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 14:06:04,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 14:06:04,305 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 14:06:04,306 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 14:06:04,309 INFO L158 Benchmark]: Toolchain (without parser) took 6572.70ms. Allocated memory was 50.3MB in the beginning and 249.6MB in the end (delta: 199.2MB). Free memory was 33.2MB in the beginning and 164.7MB in the end (delta: -131.5MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2021-12-15 14:06:04,309 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 50.3MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:06:04,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1433.28ms. Allocated memory was 50.3MB in the beginning and 81.8MB in the end (delta: 31.5MB). Free memory was 33.0MB in the beginning and 42.5MB in the end (delta: -9.5MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2021-12-15 14:06:04,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.13ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 34.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:06:04,310 INFO L158 Benchmark]: Boogie Preprocessor took 99.33ms. Allocated memory is still 81.8MB. Free memory was 34.2MB in the beginning and 45.0MB in the end (delta: -10.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-12-15 14:06:04,310 INFO L158 Benchmark]: RCFGBuilder took 4439.75ms. Allocated memory was 81.8MB in the beginning and 249.6MB in the end (delta: 167.8MB). Free memory was 45.0MB in the beginning and 185.2MB in the end (delta: -140.2MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2021-12-15 14:06:04,310 INFO L158 Benchmark]: TraceAbstraction took 474.19ms. Allocated memory is still 249.6MB. Free memory was 184.2MB in the beginning and 164.7MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 14:06:04,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 50.3MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1433.28ms. Allocated memory was 50.3MB in the beginning and 81.8MB in the end (delta: 31.5MB). Free memory was 33.0MB in the beginning and 42.5MB in the end (delta: -9.5MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.13ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 34.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.33ms. Allocated memory is still 81.8MB. Free memory was 34.2MB in the beginning and 45.0MB in the end (delta: -10.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4439.75ms. Allocated memory was 81.8MB in the beginning and 249.6MB in the end (delta: 167.8MB). Free memory was 45.0MB in the beginning and 185.2MB in the end (delta: -140.2MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * TraceAbstraction took 474.19ms. Allocated memory is still 249.6MB. Free memory was 184.2MB in the beginning and 164.7MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. 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 14:06:04,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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