./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R --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 e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 --- 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-38b53e6 [2022-11-25 17:48:38,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:48:38,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:48:39,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:48:39,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:48:39,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:48:39,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:48:39,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:48:39,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:48:39,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:48:39,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:48:39,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:48:39,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:48:39,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:48:39,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:48:39,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:48:39,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:48:39,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:48:39,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:48:39,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:48:39,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:48:39,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:48:39,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:48:39,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:48:39,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:48:39,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:48:39,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:48:39,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:48:39,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:48:39,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:48:39,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:48:39,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:48:39,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:48:39,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:48:39,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:48:39,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:48:39,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:48:39,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:48:39,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:48:39,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:48:39,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:48:39,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-25 17:48:39,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:48:39,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:48:39,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:48:39,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:48:39,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:48:39,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:48:39,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:48:39,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:48:39,142 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:48:39,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:48:39,144 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:48:39,144 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:48:39,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:48:39,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:48:39,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:48:39,145 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 17:48:39,145 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 17:48:39,145 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 17:48:39,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:48:39,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:48:39,146 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:48:39,146 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:48:39,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:48:39,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:48:39,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:48:39,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:48:39,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:48:39,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:48:39,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:48:39,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:48:39,148 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:48:39,149 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:48:39,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:48:39,149 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_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 [2022-11-25 17:48:39,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:48:39,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:48:39,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:48:39,470 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:48:39,472 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:48:39,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-11-25 17:48:42,584 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:48:42,922 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:48:42,922 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-11-25 17:48:42,940 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/data/0f2e0e27d/674e0d22ca854c778fd73f8960e016ec/FLAGfccd7d985 [2022-11-25 17:48:42,955 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/data/0f2e0e27d/674e0d22ca854c778fd73f8960e016ec [2022-11-25 17:48:42,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:48:42,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:48:42,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:48:42,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:48:42,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:48:42,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:48:42" (1/1) ... [2022-11-25 17:48:42,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a29108f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:42, skipping insertion in model container [2022-11-25 17:48:42,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:48:42" (1/1) ... [2022-11-25 17:48:42,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:48:43,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:48:43,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:48:43,711 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:48:43,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:48:43,878 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:48:43,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43 WrapperNode [2022-11-25 17:48:43,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:48:43,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:48:43,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:48:43,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:48:43,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:43,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:43,965 INFO L138 Inliner]: procedures = 370, calls = 42, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 196 [2022-11-25 17:48:43,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:48:43,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:48:43,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:48:43,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:48:43,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:43,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:43,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:43,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:43,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:44,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:44,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:44,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:44,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:48:44,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:48:44,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:48:44,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:48:44,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (1/1) ... [2022-11-25 17:48:44,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:48:44,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:48:44,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:48:44,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc961bc9-4f13-47f6-9203-dfa79caab579/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:48:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:48:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:48:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:48:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:48:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:48:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 17:48:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:48:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:48:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:48:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 17:48:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 17:48:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:48:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:48:44,098 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:48:44,275 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:48:44,277 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:48:44,993 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:48:45,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:48:45,006 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:48:45,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:48:45 BoogieIcfgContainer [2022-11-25 17:48:45,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:48:45,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:48:45,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:48:45,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:48:45,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:48:42" (1/3) ... [2022-11-25 17:48:45,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc0ac44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:48:45, skipping insertion in model container [2022-11-25 17:48:45,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:43" (2/3) ... [2022-11-25 17:48:45,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc0ac44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:48:45, skipping insertion in model container [2022-11-25 17:48:45,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:48:45" (3/3) ... [2022-11-25 17:48:45,017 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr-deref.i [2022-11-25 17:48:45,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:48:45,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2022-11-25 17:48:45,036 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:48:45,186 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 17:48:45,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 338 transitions, 681 flow [2022-11-25 17:48:45,396 INFO L130 PetriNetUnfolder]: 5/337 cut-off events. [2022-11-25 17:48:45,397 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:48:45,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 337 events. 5/337 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place. [2022-11-25 17:48:45,404 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 338 transitions, 681 flow [2022-11-25 17:48:45,421 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 336 places, 337 transitions, 677 flow [2022-11-25 17:48:45,425 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:48:45,454 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 337 transitions, 677 flow [2022-11-25 17:48:45,464 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 337 transitions, 677 flow [2022-11-25 17:48:45,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 336 places, 337 transitions, 677 flow [2022-11-25 17:48:45,547 INFO L130 PetriNetUnfolder]: 5/337 cut-off events. [2022-11-25 17:48:45,547 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:48:45,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 337 events. 5/337 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 327 event pairs, 0 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place. [2022-11-25 17:48:45,551 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-11-25 17:50:17,063 WARN L233 SmtUtils]: Spent 8.66s on a formula simplification. DAG size of input: 220 DAG size of output: 214 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:50:24,897 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 217 DAG size of output: 211 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:50:39,412 WARN L233 SmtUtils]: Spent 12.19s on a formula simplification. DAG size of input: 246 DAG size of output: 238 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:50:51,961 WARN L233 SmtUtils]: Spent 9.83s on a formula simplification. DAG size of input: 246 DAG size of output: 238 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:51:02,975 WARN L233 SmtUtils]: Spent 8.82s on a formula simplification. DAG size of input: 255 DAG size of output: 247 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:51:14,723 WARN L233 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 255 DAG size of output: 247 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:51:25,009 WARN L233 SmtUtils]: Spent 8.31s on a formula simplification. DAG size of input: 248 DAG size of output: 240 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:51:36,769 WARN L233 SmtUtils]: Spent 9.81s on a formula simplification. DAG size of input: 251 DAG size of output: 243 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:52:14,992 WARN L233 SmtUtils]: Spent 35.49s on a formula simplification. DAG size of input: 266 DAG size of output: 256 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:52:28,411 WARN L233 SmtUtils]: Spent 13.42s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:53:12,773 WARN L233 SmtUtils]: Spent 44.36s 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) [2022-11-25 17:53:29,820 WARN L233 SmtUtils]: Spent 17.04s on a formula simplification that was a NOOP. DAG size: 235 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:58:39,637 WARN L233 SmtUtils]: Spent 5.09m on a formula simplification. DAG size of input: 419 DAG size of output: 409 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:00:46,790 WARN L233 SmtUtils]: Spent 2.12m on a formula simplification that was a NOOP. DAG size: 362 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)