./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d 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 ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c -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 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 02:04:35,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:04:35,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:04:35,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:04:35,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:04:35,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:04:35,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:04:35,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:04:35,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:04:35,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:04:35,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:04:35,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:04:35,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:04:35,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:04:35,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:04:35,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:04:35,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:04:35,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:04:35,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:04:35,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:04:35,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:04:35,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:04:35,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:04:35,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:04:35,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:04:35,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:04:35,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:04:35,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:04:35,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:04:35,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:04:35,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:04:35,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:04:35,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:04:35,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:04:35,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:04:35,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:04:35,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:04:35,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:04:35,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:04:35,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:04:35,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:04:35,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:04:35,205 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:04:35,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:04:35,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:04:35,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:04:35,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:04:35,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:04:35,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:04:35,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:04:35,208 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:04:35,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:04:35,209 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:04:35,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:04:35,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:04:35,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:04:35,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:04:35,210 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:04:35,210 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:04:35,210 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:04:35,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:04:35,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:04:35,211 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:04:35,211 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:04:35,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:04:35,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:04:35,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:04:35,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:04:35,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:04:35,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:04:35,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:04:35,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:04:35,213 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:04:35,213 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:04:35,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:04:35,213 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:04:35,214 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:04:35,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:04:35,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:04:35,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:04:35,533 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:04:35,533 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:04:35,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-08-30 02:04:36,702 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:04:36,863 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:04:36,864 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-08-30 02:04:36,870 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63f31827f/176c4d0402564930847836040eabc074/FLAG809b61d69 [2023-08-30 02:04:36,883 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63f31827f/176c4d0402564930847836040eabc074 [2023-08-30 02:04:36,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:04:36,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:04:36,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:04:36,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:04:36,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:04:36,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:04:36" (1/1) ... [2023-08-30 02:04:36,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b42f72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:36, skipping insertion in model container [2023-08-30 02:04:36,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:04:36" (1/1) ... [2023-08-30 02:04:36,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:04:36,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:04:37,139 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3424,3437] [2023-08-30 02:04:37,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:04:37,164 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-08-30 02:04:37,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3afc1c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:37, skipping insertion in model container [2023-08-30 02:04:37,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:04:37,167 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-30 02:04:37,169 INFO L158 Benchmark]: Toolchain (without parser) took 280.76ms. Allocated memory is still 65.0MB. Free memory was 36.8MB in the beginning and 42.4MB in the end (delta: -5.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-08-30 02:04:37,169 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:04:37,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.27ms. Allocated memory is still 65.0MB. Free memory was 36.5MB in the beginning and 42.4MB in the end (delta: -5.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-08-30 02:04:37,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.27ms. Allocated memory is still 65.0MB. Free memory was 36.5MB in the beginning and 42.4MB in the end (delta: -5.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 136]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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 ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c -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 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 02:04:38,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:04:38,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:04:38,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:04:38,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:04:38,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:04:38,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:04:38,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:04:38,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:04:38,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:04:38,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:04:38,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:04:38,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:04:38,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:04:38,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:04:38,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:04:38,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:04:38,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:04:38,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:04:38,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:04:38,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:04:38,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:04:38,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:04:38,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:04:38,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:04:38,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:04:38,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:04:38,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:04:38,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:04:38,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:04:38,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:04:38,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:04:38,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:04:38,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:04:38,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:04:38,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:04:38,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:04:38,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:04:38,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:04:38,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:04:38,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:04:38,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:04:38,995 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:04:38,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:04:38,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:04:38,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:04:38,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:04:38,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:04:38,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:04:38,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:04:38,998 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:04:38,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:04:38,999 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:04:39,000 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:04:39,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:04:39,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:04:39,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:04:39,000 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:04:39,001 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:04:39,001 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:04:39,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:04:39,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:04:39,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:04:39,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:04:39,002 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:04:39,002 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:04:39,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:04:39,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:04:39,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:04:39,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:04:39,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:04:39,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:04:39,003 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:04:39,003 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:04:39,004 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:04:39,004 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:04:39,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:04:39,004 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:04:39,004 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:04:39,005 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:04:39,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:04:39,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:04:39,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:04:39,324 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:04:39,324 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:04:39,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-08-30 02:04:40,812 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:04:41,006 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:04:41,007 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-08-30 02:04:41,013 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c61d381/997e38b5d06d427d9ff0db153800666f/FLAGb620418af [2023-08-30 02:04:41,025 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c61d381/997e38b5d06d427d9ff0db153800666f [2023-08-30 02:04:41,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:04:41,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:04:41,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:04:41,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:04:41,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:04:41,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d86e7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41, skipping insertion in model container [2023-08-30 02:04:41,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:04:41,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:04:41,212 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3424,3437] [2023-08-30 02:04:41,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:04:41,232 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 02:04:41,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:04:41,249 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3424,3437] [2023-08-30 02:04:41,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:04:41,261 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:04:41,290 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3424,3437] [2023-08-30 02:04:41,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:04:41,315 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:04:41,316 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:04:41,321 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:04:41,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41 WrapperNode [2023-08-30 02:04:41,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:04:41,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:04:41,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:04:41,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:04:41,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,383 INFO L138 Inliner]: procedures = 27, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 245 [2023-08-30 02:04:41,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:04:41,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:04:41,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:04:41,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:04:41,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,436 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:04:41,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:04:41,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:04:41,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:04:41,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (1/1) ... [2023-08-30 02:04:41,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:04:41,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:04:41,476 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) [2023-08-30 02:04:41,500 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 [2023-08-30 02:04:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:04:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:04:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:04:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:04:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:04:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:04:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:04:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:04:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 02:04:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 02:04:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 02:04:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 02:04:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 02:04:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:04:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:04:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:04:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:04:41,537 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 02:04:41,662 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:04:41,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:04:42,269 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:04:42,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:04:42,473 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-08-30 02:04:42,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:04:42 BoogieIcfgContainer [2023-08-30 02:04:42,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:04:42,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:04:42,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:04:42,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:04:42,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:04:41" (1/3) ... [2023-08-30 02:04:42,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34246a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:04:42, skipping insertion in model container [2023-08-30 02:04:42,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:04:41" (2/3) ... [2023-08-30 02:04:42,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34246a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:04:42, skipping insertion in model container [2023-08-30 02:04:42,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:04:42" (3/3) ... [2023-08-30 02:04:42,484 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2023-08-30 02:04:42,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:04:42,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-08-30 02:04:42,499 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:04:42,582 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 02:04:42,587 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) [2023-08-30 02:04:42,594 INFO L158 Benchmark]: Toolchain (without parser) took 1564.64ms. Allocated memory is still 77.6MB. Free memory was 55.5MB in the beginning and 33.7MB in the end (delta: 21.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-08-30 02:04:42,595 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:04:42,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.48ms. Allocated memory is still 77.6MB. Free memory was 55.3MB in the beginning and 40.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 02:04:42,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.42ms. Allocated memory is still 77.6MB. Free memory was 40.8MB in the beginning and 38.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:04:42,597 INFO L158 Benchmark]: Boogie Preprocessor took 61.32ms. Allocated memory is still 77.6MB. Free memory was 38.5MB in the beginning and 36.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:04:42,598 INFO L158 Benchmark]: RCFGBuilder took 1029.15ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 54.3MB in the end (delta: -18.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-08-30 02:04:42,599 INFO L158 Benchmark]: TraceAbstraction took 114.98ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 33.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 02:04:42,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.48ms. Allocated memory is still 77.6MB. Free memory was 55.3MB in the beginning and 40.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.42ms. Allocated memory is still 77.6MB. Free memory was 40.8MB in the beginning and 38.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.32ms. Allocated memory is still 77.6MB. Free memory was 38.5MB in the beginning and 36.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1029.15ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 54.3MB in the end (delta: -18.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 114.98ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 33.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 02:04:42,629 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: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE