./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.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_inw_p.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 cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:06:06,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:06:06,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:06:06,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:06:06,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:06:06,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:06:06,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:06:06,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:06:06,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:06:06,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:06:06,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:06:06,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:06:06,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:06:06,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:06:06,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:06:06,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:06:06,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:06:06,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:06:06,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:06:06,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:06:06,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:06:06,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:06:06,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:06:06,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:06:06,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:06:06,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:06:06,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:06:06,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:06:06,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:06:06,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:06:06,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:06:06,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:06:06,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:06:06,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:06:06,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:06:06,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:06:06,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:06:06,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:06:06,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:06:06,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:06:06,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:06:06,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-15 14:06:06,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:06:06,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:06:06,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:06:06,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:06:06,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:06:06,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:06:06,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:06:06,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:06:06,698 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:06:06,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:06:06,699 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:06:06,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:06:06,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:06:06,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:06:06,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:06:06,699 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:06:06,699 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:06:06,700 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:06:06,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:06:06,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:06:06,700 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:06:06,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:06:06,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:06:06,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:06:06,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:06:06,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:06:06,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:06:06,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:06:06,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 14:06:06,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 14:06:06,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:06:06,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 [2021-12-15 14:06:06,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:06:06,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:06:06,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:06:06,910 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:06:06,910 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:06:06,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2021-12-15 14:06:06,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ffd8923c/00c3c46079144f9c9903fa0c45738958/FLAGb996f74df [2021-12-15 14:06:07,464 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:06:07,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2021-12-15 14:06:07,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ffd8923c/00c3c46079144f9c9903fa0c45738958/FLAGb996f74df [2021-12-15 14:06:07,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ffd8923c/00c3c46079144f9c9903fa0c45738958 [2021-12-15 14:06:07,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:06:08,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:06:08,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:08,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:06:08,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:06:08,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:07" (1/1) ... [2021-12-15 14:06:08,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd45962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:08, skipping insertion in model container [2021-12-15 14:06:08,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:07" (1/1) ... [2021-12-15 14:06:08,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:06:08,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:06:08,201 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_inw_p.i[457,470] [2021-12-15 14:06:08,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:08,955 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 14:06:08,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@471e0cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:08, skipping insertion in model container [2021-12-15 14:06:08,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:08,958 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 14:06:08,960 INFO L158 Benchmark]: Toolchain (without parser) took 958.41ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 46.1MB in the beginning and 86.3MB in the end (delta: -40.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-12-15 14:06:08,961 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 62.6MB in the beginning and 62.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:06:08,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 956.87ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 45.9MB in the beginning and 86.3MB in the end (delta: -40.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-12-15 14:06:08,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 62.6MB in the beginning and 62.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 956.87ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 45.9MB in the beginning and 86.3MB in the end (delta: -40.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2977]: 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_inw_p.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 cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:06:10,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:06:10,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:06:10,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:06:10,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:06:10,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:06:10,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:06:10,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:06:10,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:06:10,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:06:10,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:06:10,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:06:10,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:06:10,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:06:10,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:06:10,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:06:10,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:06:10,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:06:10,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:06:10,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:06:10,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:06:10,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:06:10,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:06:10,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:06:10,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:06:10,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:06:10,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:06:10,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:06:10,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:06:10,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:06:10,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:06:10,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:06:10,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:06:10,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:06:10,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:06:10,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:06:10,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:06:10,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:06:10,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:06:10,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:06:10,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:06:10,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-15 14:06:10,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:06:10,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:06:10,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:06:10,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:06:10,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:06:10,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:06:10,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:06:10,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:06:10,519 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:06:10,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:06:10,520 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:06:10,520 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:06:10,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:06:10,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:06:10,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:06:10,521 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:06:10,521 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:06:10,521 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:06:10,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:06:10,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:06:10,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 14:06:10,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 14:06:10,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:06:10,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:06:10,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:06:10,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:06:10,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:06:10,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:06:10,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:06:10,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:06:10,523 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 14:06:10,523 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 14:06:10,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:06:10,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 14:06:10,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 [2021-12-15 14:06:10,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:06:10,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:06:10,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:06:10,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:06:10,782 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:06:10,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2021-12-15 14:06:10,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97e1d2b95/02821eef335348e184eb986fdbc1e30a/FLAG43a3f62cc [2021-12-15 14:06:11,324 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:06:11,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2021-12-15 14:06:11,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97e1d2b95/02821eef335348e184eb986fdbc1e30a/FLAG43a3f62cc [2021-12-15 14:06:11,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97e1d2b95/02821eef335348e184eb986fdbc1e30a [2021-12-15 14:06:11,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:06:11,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:06:11,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:11,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:06:11,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:06:11,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:11" (1/1) ... [2021-12-15 14:06:11,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b7041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:11, skipping insertion in model container [2021-12-15 14:06:11,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:11" (1/1) ... [2021-12-15 14:06:11,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:06:11,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:06:11,818 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_inw_p.i[457,470] [2021-12-15 14:06:12,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:12,535 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 14:06:12,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:06:12,553 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_inw_p.i[457,470] [2021-12-15 14:06:12,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:12,692 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 14:06:12,699 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_inw_p.i[457,470] [2021-12-15 14:06:12,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:12,857 INFO L208 MainTranslator]: Completed translation [2021-12-15 14:06:12,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12 WrapperNode [2021-12-15 14:06:12,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:12,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 14:06:12,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 14:06:12,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 14:06:12,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:12,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:12,986 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 970 [2021-12-15 14:06:12,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 14:06:12,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 14:06:12,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 14:06:12,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 14:06:13,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:13,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:13,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:13,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:13,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:13,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:13,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:13,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 14:06:13,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 14:06:13,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 14:06:13,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 14:06:13,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (1/1) ... [2021-12-15 14:06:13,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:06:13,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 14:06:13,116 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 14:06:13,133 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 14:06:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-15 14:06:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-15 14:06:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 14:06:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 14:06:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 14:06:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-15 14:06:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 14:06:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 14:06:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 14:06:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 14:06:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 14:06:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 14:06:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 14:06:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 14:06:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 14:06:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-15 14:06:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-15 14:06:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-15 14:06:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 14:06:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 14:06:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 14:06:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-15 14:06:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-15 14:06:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 14:06:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 14:06:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 14:06:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 14:06:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-15 14:06:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-15 14:06:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-15 14:06:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-15 14:06:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 14:06:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 14:06:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-15 14:06:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-15 14:06:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 14:06:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 14:06:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 14:06:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 14:06:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 14:06:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 14:06:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 14:06:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 14:06:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 14:06:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 14:06:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 14:06:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 14:06:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 14:06:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-15 14:06:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-15 14:06:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 14:06:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 14:06:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 14:06:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 14:06:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-15 14:06:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-15 14:06:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-15 14:06:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-15 14:06:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 14:06:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 14:06:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 14:06:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 14:06:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-15 14:06:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-15 14:06:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-15 14:06:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-15 14:06:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 14:06:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 14:06:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-15 14:06:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-15 14:06:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 14:06:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-15 14:06:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-15 14:06:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 14:06:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 14:06:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 14:06:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 14:06:13,471 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 14:06:13,472 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 14:06:17,543 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 14:06:17,558 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 14:06:17,560 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 14:06:17,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:06:17 BoogieIcfgContainer [2021-12-15 14:06:17,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 14:06:17,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 14:06:17,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 14:06:17,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 14:06:17,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 02:06:11" (1/3) ... [2021-12-15 14:06:17,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2790e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:06:17, skipping insertion in model container [2021-12-15 14:06:17,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:12" (2/3) ... [2021-12-15 14:06:17,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2790e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:06:17, skipping insertion in model container [2021-12-15 14:06:17,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:06:17" (3/3) ... [2021-12-15 14:06:17,576 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw_p.i [2021-12-15 14:06:17,580 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 14:06:17,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2021-12-15 14:06:17,615 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 14:06:17,622 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 14:06:17,622 INFO L340 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2021-12-15 14:06:17,646 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 14:06:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-15 14:06:17,651 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 14:06:17,651 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-15 14:06:17,652 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 14:06:17,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 14:06:17,657 INFO L85 PathProgramCache]: Analyzing trace with hash 333908101, now seen corresponding path program 1 times [2021-12-15 14:06:17,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 14:06:17,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400866991] [2021-12-15 14:06:17,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 14:06:17,668 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 14:06:17,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 14:06:17,672 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 14:06:17,699 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 14:06:17,843 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 14:06:18,040 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 14:06:18,041 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 14:06:18,046 INFO L158 Benchmark]: Toolchain (without parser) took 6419.26ms. Allocated memory was 62.9MB in the beginning and 199.2MB in the end (delta: 136.3MB). Free memory was 39.3MB in the beginning and 73.8MB in the end (delta: -34.5MB). Peak memory consumption was 100.9MB. Max. memory is 16.1GB. [2021-12-15 14:06:18,047 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 62.9MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:06:18,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1230.23ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 39.0MB in the beginning and 38.7MB in the end (delta: 296.7kB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2021-12-15 14:06:18,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.37ms. Allocated memory is still 96.5MB. Free memory was 38.7MB in the beginning and 53.1MB in the end (delta: -14.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-12-15 14:06:18,049 INFO L158 Benchmark]: Boogie Preprocessor took 101.13ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 45.1MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:06:18,052 INFO L158 Benchmark]: RCFGBuilder took 4469.05ms. Allocated memory was 96.5MB in the beginning and 199.2MB in the end (delta: 102.8MB). Free memory was 44.7MB in the beginning and 94.6MB in the end (delta: -49.9MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-12-15 14:06:18,053 INFO L158 Benchmark]: TraceAbstraction took 480.16ms. Allocated memory is still 199.2MB. Free memory was 93.5MB in the beginning and 73.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 14:06:18,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 62.9MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1230.23ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 39.0MB in the beginning and 38.7MB in the end (delta: 296.7kB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.37ms. Allocated memory is still 96.5MB. Free memory was 38.7MB in the beginning and 53.1MB in the end (delta: -14.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.13ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 45.1MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4469.05ms. Allocated memory was 96.5MB in the beginning and 199.2MB in the end (delta: 102.8MB). Free memory was 44.7MB in the beginning and 94.6MB in the end (delta: -49.9MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * TraceAbstraction took 480.16ms. Allocated memory is still 199.2MB. Free memory was 93.5MB in the beginning and 73.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. 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 14:06:18,092 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