./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 b5237d83 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_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/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_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 16:52:23,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:52:23,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:52:23,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:52:23,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:52:23,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:52:23,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:52:23,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:52:23,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:52:23,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:52:23,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:52:23,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:52:23,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:52:23,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:52:23,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:52:23,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:52:23,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:52:23,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:52:23,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:52:23,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:52:23,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:52:23,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:52:23,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:52:23,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:52:23,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:52:23,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:52:23,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:52:23,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:52:23,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:52:23,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:52:23,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:52:23,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:52:23,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:52:23,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:52:23,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:52:23,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:52:23,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:52:23,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:52:23,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:52:23,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:52:23,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:52:23,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-21 16:52:23,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:52:23,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:52:23,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:52:23,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:52:23,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:52:23,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:52:23,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:52:23,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:52:23,304 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:52:23,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:52:23,306 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:52:23,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:52:23,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:52:23,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:52:23,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:52:23,307 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 16:52:23,308 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 16:52:23,308 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 16:52:23,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:52:23,308 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:52:23,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:52:23,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:52:23,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:52:23,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:52:23,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:52:23,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:52:23,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:52:23,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:52:23,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:52:23,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:52:23,312 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_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 [2022-11-21 16:52:23,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:52:23,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:52:23,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:52:23,690 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:52:23,692 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:52:23,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-11-21 16:52:26,726 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:52:27,075 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:52:27,076 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-11-21 16:52:27,090 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/data/d3d7c7653/6c7a158d1ea0492d94e108e485f56c45/FLAGc6cf479c8 [2022-11-21 16:52:27,112 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/data/d3d7c7653/6c7a158d1ea0492d94e108e485f56c45 [2022-11-21 16:52:27,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:52:27,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:52:27,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:52:27,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:52:27,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:52:27,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:52:27" (1/1) ... [2022-11-21 16:52:27,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3202e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:27, skipping insertion in model container [2022-11-21 16:52:27,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:52:27" (1/1) ... [2022-11-21 16:52:27,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:52:27,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:52:27,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:52:28,005 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:52:28,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:52:28,137 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:52:28,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28 WrapperNode [2022-11-21 16:52:28,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:52:28,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:52:28,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:52:28,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:52:28,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,212 INFO L138 Inliner]: procedures = 370, calls = 42, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 196 [2022-11-21 16:52:28,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:52:28,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:52:28,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:52:28,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:52:28,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:52:28,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:52:28,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:52:28,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:52:28,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (1/1) ... [2022-11-21 16:52:28,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:52:28,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:52:28,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:52:28,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ed0c8a-0739-4eaa-bd56-6df437421212/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:52:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:52:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:52:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:52:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:52:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 16:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:52:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-21 16:52:28,382 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-21 16:52:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:52:28,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:52:28,384 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:52:28,538 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:52:28,540 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:52:29,345 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:52:29,355 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:52:29,355 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:52:29,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:52:29 BoogieIcfgContainer [2022-11-21 16:52:29,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:52:29,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:52:29,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:52:29,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:52:29,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:52:27" (1/3) ... [2022-11-21 16:52:29,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1a51ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:52:29, skipping insertion in model container [2022-11-21 16:52:29,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:28" (2/3) ... [2022-11-21 16:52:29,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1a51ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:52:29, skipping insertion in model container [2022-11-21 16:52:29,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:52:29" (3/3) ... [2022-11-21 16:52:29,367 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr-deref.i [2022-11-21 16:52:29,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:52:29,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2022-11-21 16:52:29,387 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:52:29,471 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 16:52:29,509 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-21 16:52:29,532 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 338 transitions, 681 flow [2022-11-21 16:52:29,541 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 338 transitions, 681 flow [2022-11-21 16:52:29,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 338 transitions, 681 flow [2022-11-21 16:52:29,708 INFO L130 PetriNetUnfolder]: 5/337 cut-off events. [2022-11-21 16:52:29,708 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:52:29,720 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. [2022-11-21 16:52:29,726 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-11-21 16:53:27,136 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 195 DAG size of output: 189 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:53:43,336 WARN L233 SmtUtils]: Spent 11.41s on a formula simplification. DAG size of input: 211 DAG size of output: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:55:53,590 WARN L233 SmtUtils]: Spent 1.41m on a formula simplification. DAG size of input: 294 DAG size of output: 284 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:56:24,786 WARN L233 SmtUtils]: Spent 31.19s on a formula simplification that was a NOOP. DAG size: 266 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:57:37,932 WARN L233 SmtUtils]: Spent 1.22m on a formula simplification. DAG size of input: 292 DAG size of output: 282 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:58:08,602 WARN L233 SmtUtils]: Spent 30.66s on a formula simplification that was a NOOP. DAG size: 266 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:58:20,375 WARN L233 SmtUtils]: Spent 11.60s on a formula simplification. DAG size of input: 227 DAG size of output: 221 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:58:27,857 WARN L233 SmtUtils]: Spent 7.48s on a formula simplification that was a NOOP. DAG size: 213 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:58:39,552 WARN L233 SmtUtils]: Spent 11.69s on a formula simplification. DAG size of input: 224 DAG size of output: 218 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:58:46,532 WARN L233 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 210 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:59:19,039 WARN L233 SmtUtils]: Spent 32.50s on a formula simplification. DAG size of input: 241 DAG size of output: 235 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:59:32,133 WARN L233 SmtUtils]: Spent 13.09s on a formula simplification that was a NOOP. DAG size: 227 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:59:55,725 WARN L233 SmtUtils]: Spent 23.59s on a formula simplification. DAG size of input: 238 DAG size of output: 232 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 17:00:11,165 WARN L233 SmtUtils]: Spent 15.43s 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) [2022-11-21 17:00:26,816 WARN L233 SmtUtils]: Spent 15.61s on a formula simplification. DAG size of input: 222 DAG size of output: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 17:00:33,380 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 17:00:46,021 WARN L233 SmtUtils]: Spent 12.64s on a formula simplification. DAG size of input: 219 DAG size of output: 213 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 17:00:51,363 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 205 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)