./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 88c381f80ede07771f395015e897371ba8d778e07b9cc24c64e290568f2e97f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:42:41,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:42:41,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:42:41,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:42:41,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:42:41,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:42:41,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:42:41,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:42:41,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:42:41,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:42:41,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:42:41,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:42:41,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:42:41,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:42:41,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:42:41,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:42:41,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:42:41,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:42:41,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:42:41,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:42:41,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:42:41,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:42:41,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:42:41,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:42:41,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:42:41,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:42:41,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:42:41,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:42:41,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:42:41,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:42:41,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:42:41,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:42:41,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:42:41,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:42:41,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:42:41,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:42:41,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:42:41,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:42:41,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:42:41,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:42:41,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:42:41,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 10:42:41,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:42:41,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:42:41,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:42:41,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:42:41,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:42:41,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:42:41,282 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:42:41,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:42:41,283 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:42:41,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:42:41,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:42:41,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:42:41,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 10:42:41,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 10:42:41,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 10:42:41,286 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:42:41,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 10:42:41,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:42:41,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 10:42:41,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:42:41,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:42:41,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 10:42:41,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:42:41,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:42:41,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 10:42:41,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 10:42:41,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:42:41,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 10:42:41,290 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 10:42:41,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 10:42:41,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 10:42:41,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:42:41,293 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88c381f80ede07771f395015e897371ba8d778e07b9cc24c64e290568f2e97f7 [2021-11-09 10:42:41,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:42:41,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:42:41,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:42:41,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:42:41,741 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:42:41,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c [2021-11-09 10:42:41,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/data/9aebdf6f5/4a5bba75809e42d28c5260e168e4e606/FLAGb7dffc284 [2021-11-09 10:42:42,845 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:42:42,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c [2021-11-09 10:42:42,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/data/9aebdf6f5/4a5bba75809e42d28c5260e168e4e606/FLAGb7dffc284 [2021-11-09 10:42:43,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/bin/uautomizer-IVEQpCNsaX/data/9aebdf6f5/4a5bba75809e42d28c5260e168e4e606 [2021-11-09 10:42:43,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:42:43,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 10:42:43,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:42:43,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:42:43,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:42:43,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:42:43" (1/1) ... [2021-11-09 10:42:43,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61be428c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:43, skipping insertion in model container [2021-11-09 10:42:43,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:42:43" (1/1) ... [2021-11-09 10:42:43,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:42:43,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:42:43,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c[1806,1819] [2021-11-09 10:42:44,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:42:44,483 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:42:44,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79758c91-29ac-4556-8014-22d3892f9697/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c[1806,1819] [2021-11-09 10:42:44,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:42:44,976 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:42:44,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:44 WrapperNode [2021-11-09 10:42:44,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:42:44,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 10:42:44,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 10:42:44,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 10:42:44,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:44" (1/1) ... [2021-11-09 10:42:45,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:44" (1/1) ... [2021-11-09 10:53:20,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 10:53:20,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:53:20,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:53:20,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:53:20,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:44" (1/1) ... [2021-11-09 10:53:20,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:44" (1/1) ... [2021-11-09 10:53:25,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:44" (1/1) ... [2021-11-09 10:53:25,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:44" (1/1) ...