./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8 --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 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:35:14,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:35:14,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:35:14,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:35:14,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:35:14,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:35:14,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:35:14,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:35:14,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:35:14,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:35:14,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:35:14,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:35:14,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:35:14,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:35:14,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:35:14,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:35:14,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:35:14,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:35:14,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:35:14,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:35:14,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:35:14,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:35:14,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:35:14,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:35:14,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:35:14,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:35:14,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:35:14,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:35:14,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:35:14,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:35:14,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:35:14,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:35:14,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:35:14,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:35:14,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:35:14,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:35:14,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:35:14,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:35:14,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:35:14,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:35:14,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:35:14,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-12-13 22:35:14,983 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:35:14,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:35:14,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:35:14,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:35:14,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:35:14,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:35:14,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:35:14,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:35:14,986 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:35:14,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:35:14,986 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:35:14,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:35:14,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:35:14,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:35:14,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:35:14,987 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 22:35:14,987 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 22:35:14,987 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 22:35:14,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:35:14,988 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 22:35:14,988 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:35:14,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:35:14,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:35:14,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:35:14,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:35:14,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:35:14,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:35:14,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:35:14,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:35:14,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:35:14,990 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:35:14,990 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:35:14,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:35:14,990 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:35:14,991 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 [2022-12-13 22:35:15,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:35:15,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:35:15,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:35:15,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:35:15,198 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:35:15,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i [2022-12-13 22:35:17,686 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:35:17,894 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:35:17,895 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i [2022-12-13 22:35:17,905 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/data/9be3f9946/171ba3f408b04e2c9bf8ef558d957f36/FLAGf7275b848 [2022-12-13 22:35:18,259 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/data/9be3f9946/171ba3f408b04e2c9bf8ef558d957f36 [2022-12-13 22:35:18,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:35:18,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:35:18,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:35:18,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:35:18,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:35:18,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5ae8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18, skipping insertion in model container [2022-12-13 22:35:18,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:35:18,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:35:18,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:35:18,728 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:35:18,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:35:18,822 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:35:18,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18 WrapperNode [2022-12-13 22:35:18,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:35:18,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:35:18,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:35:18,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:35:18,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,871 INFO L138 Inliner]: procedures = 370, calls = 41, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 185 [2022-12-13 22:35:18,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:35:18,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:35:18,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:35:18,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:35:18,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:35:18,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:35:18,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:35:18,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:35:18,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (1/1) ... [2022-12-13 22:35:18,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:35:18,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:18,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:18,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34bee9b-b7ea-477a-8e64-5777aead35e7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:35:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:35:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 22:35:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:35:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:35:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:35:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 22:35:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 22:35:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:35:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 22:35:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 22:35:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 22:35:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:35:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:35:18,956 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 22:35:19,067 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:35:19,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:35:19,498 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:35:19,508 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:35:19,508 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 22:35:19,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:19 BoogieIcfgContainer [2022-12-13 22:35:19,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:35:19,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:35:19,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:35:19,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:35:19,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:35:18" (1/3) ... [2022-12-13 22:35:19,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df849ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:35:19, skipping insertion in model container [2022-12-13 22:35:19,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:18" (2/3) ... [2022-12-13 22:35:19,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df849ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:35:19, skipping insertion in model container [2022-12-13 22:35:19,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:19" (3/3) ... [2022-12-13 22:35:19,518 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc-deref.i [2022-12-13 22:35:19,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:35:19,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2022-12-13 22:35:19,533 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 22:35:19,604 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 22:35:19,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 319 transitions, 643 flow [2022-12-13 22:35:19,738 INFO L130 PetriNetUnfolder]: 5/318 cut-off events. [2022-12-13 22:35:19,738 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:35:19,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 318 events. 5/318 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 312 event pairs, 0 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2022-12-13 22:35:19,743 INFO L82 GeneralOperation]: Start removeDead. Operand has 318 places, 319 transitions, 643 flow [2022-12-13 22:35:19,750 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 318 transitions, 639 flow [2022-12-13 22:35:19,754 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:35:19,765 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 318 transitions, 639 flow [2022-12-13 22:35:19,767 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 318 transitions, 639 flow [2022-12-13 22:35:19,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 318 transitions, 639 flow [2022-12-13 22:35:19,820 INFO L130 PetriNetUnfolder]: 5/318 cut-off events. [2022-12-13 22:35:19,820 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:35:19,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 318 events. 5/318 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 312 event pairs, 0 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2022-12-13 22:35:19,823 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-12-13 22:36:18,036 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 212 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:36:25,914 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 209 DAG size of output: 199 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:36:50,382 WARN L233 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 243 DAG size of output: 241 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:37:00,121 WARN L233 SmtUtils]: Spent 7.96s on a formula simplification. DAG size of input: 243 DAG size of output: 241 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:37:10,112 WARN L233 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 238 DAG size of output: 236 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:37:17,718 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 238 DAG size of output: 236 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:37:55,957 WARN L233 SmtUtils]: Spent 25.29s on a formula simplification. DAG size of input: 282 DAG size of output: 270 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:38:02,520 WARN L233 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 222 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:38:23,087 WARN L233 SmtUtils]: Spent 20.56s on a formula simplification. DAG size of input: 279 DAG size of output: 267 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:38:28,210 WARN L233 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 219 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:38:48,488 WARN L233 SmtUtils]: Spent 20.28s on a formula simplification. DAG size of input: 284 DAG size of output: 273 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:38:54,360 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:39:16,399 WARN L233 SmtUtils]: Spent 22.04s on a formula simplification. DAG size of input: 284 DAG size of output: 273 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:39:22,545 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:39:34,749 WARN L233 SmtUtils]: Spent 12.20s on a formula simplification. DAG size of input: 263 DAG size of output: 253 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:39:52,084 WARN L233 SmtUtils]: Spent 12.50s on a formula simplification. DAG size of input: 263 DAG size of output: 253 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:40:12,707 WARN L233 SmtUtils]: Spent 15.82s on a formula simplification. DAG size of input: 258 DAG size of output: 248 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:40:18,501 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:40:31,513 WARN L233 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 258 DAG size of output: 248 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:40:53,960 WARN L233 SmtUtils]: Spent 17.71s on a formula simplification. DAG size of input: 254 DAG size of output: 244 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:40:59,668 WARN L233 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:41:12,798 WARN L233 SmtUtils]: Spent 13.13s on a formula simplification. DAG size of input: 253 DAG size of output: 243 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:41:18,027 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 224 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:41:27,680 WARN L233 SmtUtils]: Spent 9.33s on a formula simplification that was a NOOP. DAG size: 251 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:41:34,212 WARN L233 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 230 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:41:42,238 WARN L233 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 248 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:41:48,909 WARN L233 SmtUtils]: Spent 6.67s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:42:22,553 WARN L233 SmtUtils]: Spent 32.46s on a formula simplification. DAG size of input: 294 DAG size of output: 291 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:42:32,920 WARN L233 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 243 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:43:06,265 WARN L233 SmtUtils]: Spent 33.34s on a formula simplification. DAG size of input: 291 DAG size of output: 288 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:43:13,953 WARN L233 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 240 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:43:34,268 WARN L233 SmtUtils]: Spent 11.25s on a formula simplification that was a NOOP. DAG size: 269 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:43:44,689 WARN L233 SmtUtils]: Spent 10.42s on a formula simplification that was a NOOP. DAG size: 263 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:44:07,301 WARN L233 SmtUtils]: Spent 22.61s on a formula simplification. DAG size of input: 279 DAG size of output: 277 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:44:17,836 WARN L233 SmtUtils]: Spent 10.53s on a formula simplification that was a NOOP. DAG size: 270 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:45:01,471 WARN L233 SmtUtils]: Spent 43.61s on a formula simplification. DAG size of input: 313 DAG size of output: 297 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:45:19,130 WARN L233 SmtUtils]: Spent 17.65s on a formula simplification that was a NOOP. DAG size: 278 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:45:54,400 WARN L233 SmtUtils]: Spent 35.27s on a formula simplification. DAG size of input: 310 DAG size of output: 294 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:46:08,453 WARN L233 SmtUtils]: Spent 14.04s on a formula simplification that was a NOOP. DAG size: 275 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:50:20,872 WARN L233 SmtUtils]: Spent 4.21m on a formula simplification. DAG size of input: 443 DAG size of output: 433 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)