./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.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.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 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:06:04,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:06:04,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:06:04,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:06:04,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:06:04,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:06:04,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:06:04,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:06:04,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:06:04,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:06:04,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:06:04,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:06:04,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:06:04,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:06:04,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:06:04,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:06:04,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:06:04,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:06:04,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:06:04,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:06:04,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:06:04,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:06:04,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:06:04,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:06:04,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:06:04,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:06:04,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:06:04,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:06:04,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:06:04,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:06:04,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:06:04,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:06:04,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:06:04,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:06:04,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:06:04,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:06:04,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:06:04,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:06:04,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:06:04,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:06:04,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:06:04,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-15 14:06:04,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:06:04,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:06:04,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:06:04,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:06:04,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:06:04,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:06:04,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:06:04,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:06:04,359 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:06:04,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:06:04,360 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:06:04,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:06:04,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:06:04,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:06:04,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:06:04,361 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:06:04,361 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:06:04,361 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:06:04,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:06:04,361 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:06:04,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:06:04,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:06:04,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:06:04,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:06:04,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:06:04,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:06:04,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:06:04,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:06:04,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 14:06:04,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 14:06:04,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:06:04,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2021-12-15 14:06:04,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:06:04,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:06:04,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:06:04,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:06:04,519 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:06:04,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-12-15 14:06:04,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3156ba9eb/bf644b0188854c6b8cfbc7692782b515/FLAG8ec16fa2d [2021-12-15 14:06:05,022 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:06:05,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-12-15 14:06:05,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3156ba9eb/bf644b0188854c6b8cfbc7692782b515/FLAG8ec16fa2d [2021-12-15 14:06:05,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3156ba9eb/bf644b0188854c6b8cfbc7692782b515 [2021-12-15 14:06:05,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:06:05,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:06:05,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:05,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:06:05,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:06:05,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:05" (1/1) ... [2021-12-15 14:06:05,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624f9c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:05, skipping insertion in model container [2021-12-15 14:06:05,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:05" (1/1) ... [2021-12-15 14:06:05,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:06:05,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:06:05,532 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.i[452,465] [2021-12-15 14:06:06,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:06,248 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 14:06:06,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72a872a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:06, skipping insertion in model container [2021-12-15 14:06:06,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:06,252 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 14:06:06,256 INFO L158 Benchmark]: Toolchain (without parser) took 941.28ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 83.6MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-12-15 14:06:06,257 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:06:06,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 938.17ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 83.6MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-12-15 14:06:06,258 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 938.17ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 83.6MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2976]: 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.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 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:06:07,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:06:07,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:06:07,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:06:07,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:06:07,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:06:07,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:06:07,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:06:07,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:06:07,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:06:07,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:06:07,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:06:07,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:06:07,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:06:07,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:06:07,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:06:07,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:06:07,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:06:07,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:06:07,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:06:07,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:06:07,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:06:07,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:06:07,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:06:07,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:06:07,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:06:07,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:06:07,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:06:07,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:06:07,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:06:07,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:06:07,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:06:07,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:06:07,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:06:07,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:06:07,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:06:07,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:06:07,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:06:07,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:06:07,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:06:07,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:06:07,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-15 14:06:07,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:06:07,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:06:07,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:06:07,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:06:07,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:06:07,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:06:07,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:06:07,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:06:07,934 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:06:07,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:06:07,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:06:07,935 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:06:07,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:06:07,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:06:07,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:06:07,935 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:06:07,936 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:06:07,936 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:06:07,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:06:07,936 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:06:07,936 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 14:06:07,936 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 14:06:07,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:06:07,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:06:07,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:06:07,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:06:07,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:06:07,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:06:07,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:06:07,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:06:07,938 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 14:06:07,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 14:06:07,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:06:07,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 14:06:07,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2021-12-15 14:06:08,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:06:08,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:06:08,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:06:08,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:06:08,224 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:06:08,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-12-15 14:06:08,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de31c5936/cc25c61f126540a4a7e93a013f9b25bf/FLAGc5eba73a5 [2021-12-15 14:06:08,776 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:06:08,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-12-15 14:06:08,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de31c5936/cc25c61f126540a4a7e93a013f9b25bf/FLAGc5eba73a5 [2021-12-15 14:06:09,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de31c5936/cc25c61f126540a4a7e93a013f9b25bf [2021-12-15 14:06:09,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:06:09,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:06:09,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:09,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:06:09,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:06:09,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:09" (1/1) ... [2021-12-15 14:06:09,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5869649b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:09, skipping insertion in model container [2021-12-15 14:06:09,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:06:09" (1/1) ... [2021-12-15 14:06:09,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:06:09,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:06:09,271 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.i[452,465] [2021-12-15 14:06:09,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:09,938 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 14:06:09,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:06:09,952 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.i[452,465] [2021-12-15 14:06:10,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:10,126 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 14:06:10,134 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.i[452,465] [2021-12-15 14:06:10,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:06:10,411 INFO L208 MainTranslator]: Completed translation [2021-12-15 14:06:10,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10 WrapperNode [2021-12-15 14:06:10,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:06:10,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 14:06:10,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 14:06:10,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 14:06:10,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,534 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 979 [2021-12-15 14:06:10,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 14:06:10,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 14:06:10,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 14:06:10,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 14:06:10,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 14:06:10,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 14:06:10,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 14:06:10,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 14:06:10,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (1/1) ... [2021-12-15 14:06:10,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:06:10,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 14:06:10,651 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 14:06:10,658 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 14:06:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-15 14:06:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-15 14:06:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 14:06:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 14:06:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 14:06:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-15 14:06:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 14:06:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 14:06:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 14:06:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 14:06:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 14:06:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 14:06:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 14:06:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 14:06:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 14:06:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-15 14:06:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-15 14:06:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-15 14:06:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 14:06:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 14:06:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 14:06:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-15 14:06:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-15 14:06:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 14:06:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 14:06:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 14:06:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 14:06:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-15 14:06:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-15 14:06:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-15 14:06:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-15 14:06:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 14:06:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 14:06:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-15 14:06:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-15 14:06:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 14:06:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 14:06:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 14:06:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 14:06:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 14:06:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 14:06:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 14:06:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 14:06:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 14:06:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 14:06:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 14:06:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 14:06:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 14:06:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-15 14:06:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-15 14:06:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 14:06:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 14:06:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 14:06:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 14:06:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-15 14:06:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-15 14:06:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-15 14:06:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-15 14:06:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 14:06:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 14:06:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 14:06:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 14:06:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-15 14:06:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-15 14:06:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-15 14:06:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-15 14:06:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 14:06:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 14:06:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-15 14:06:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-15 14:06:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 14:06:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-15 14:06:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-15 14:06:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 14:06:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 14:06:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 14:06:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 14:06:10,925 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 14:06:10,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 14:06:15,091 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 14:06:15,103 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 14:06:15,103 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 14:06:15,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:06:15 BoogieIcfgContainer [2021-12-15 14:06:15,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 14:06:15,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 14:06:15,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 14:06:15,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 14:06:15,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 02:06:09" (1/3) ... [2021-12-15 14:06:15,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e38c892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:06:15, skipping insertion in model container [2021-12-15 14:06:15,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:06:10" (2/3) ... [2021-12-15 14:06:15,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e38c892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:06:15, skipping insertion in model container [2021-12-15 14:06:15,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:06:15" (3/3) ... [2021-12-15 14:06:15,117 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2021-12-15 14:06:15,120 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 14:06:15,120 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 206 error locations. [2021-12-15 14:06:15,149 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 14:06:15,154 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 14:06:15,154 INFO L340 AbstractCegarLoop]: Starting to check reachability of 206 error locations. [2021-12-15 14:06:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 671 states, 360 states have (on average 1.8166666666666667) internal successors, (654), 571 states have internal predecessors, (654), 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 14:06:15,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-15 14:06:15,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 14:06:15,177 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-15 14:06:15,177 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 202 more)] === [2021-12-15 14:06:15,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 14:06:15,180 INFO L85 PathProgramCache]: Analyzing trace with hash 346313650, now seen corresponding path program 1 times [2021-12-15 14:06:15,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 14:06:15,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373178277] [2021-12-15 14:06:15,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 14:06:15,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 14:06:15,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 14:06:15,191 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 14:06:15,217 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 14:06:15,320 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 14:06:15,523 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 14:06:15,524 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 14:06:15,528 INFO L158 Benchmark]: Toolchain (without parser) took 6494.91ms. Allocated memory was 56.6MB in the beginning and 207.6MB in the end (delta: 151.0MB). Free memory was 30.4MB in the beginning and 93.0MB in the end (delta: -62.6MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2021-12-15 14:06:15,528 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:06:15,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1377.33ms. Allocated memory was 56.6MB in the beginning and 109.1MB in the end (delta: 52.4MB). Free memory was 30.1MB in the beginning and 69.2MB in the end (delta: -39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 14:06:15,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.59ms. Allocated memory is still 109.1MB. Free memory was 69.2MB in the beginning and 61.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:06:15,529 INFO L158 Benchmark]: Boogie Preprocessor took 94.52ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 52.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:06:15,529 INFO L158 Benchmark]: RCFGBuilder took 4480.65ms. Allocated memory was 109.1MB in the beginning and 207.6MB in the end (delta: 98.6MB). Free memory was 52.5MB in the beginning and 113.6MB in the end (delta: -61.1MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2021-12-15 14:06:15,530 INFO L158 Benchmark]: TraceAbstraction took 414.69ms. Allocated memory is still 207.6MB. Free memory was 113.6MB in the beginning and 93.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 14:06:15,531 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 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1377.33ms. Allocated memory was 56.6MB in the beginning and 109.1MB in the end (delta: 52.4MB). Free memory was 30.1MB in the beginning and 69.2MB in the end (delta: -39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.59ms. Allocated memory is still 109.1MB. Free memory was 69.2MB in the beginning and 61.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.52ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 52.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4480.65ms. Allocated memory was 109.1MB in the beginning and 207.6MB in the end (delta: 98.6MB). Free memory was 52.5MB in the beginning and 113.6MB in the end (delta: -61.1MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * TraceAbstraction took 414.69ms. Allocated memory is still 207.6MB. Free memory was 113.6MB in the beginning and 93.0MB in the end (delta: 20.6MB). 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 14:06:15,560 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