./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 e04fb08f 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_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/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_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:10:52,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:10:52,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:10:52,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:10:52,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:10:52,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:10:52,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:10:52,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:10:52,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:10:52,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:10:52,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:10:52,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:10:52,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:10:52,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:10:52,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:10:52,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:10:52,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:10:52,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:10:52,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:10:52,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:10:52,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:10:52,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:10:52,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:10:52,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:10:52,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:10:52,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:10:52,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:10:52,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:10:52,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:10:52,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:10:52,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:10:52,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:10:52,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:10:52,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:10:52,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:10:52,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:10:52,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:10:52,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:10:52,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:10:52,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:10:52,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:10:52,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-16 11:10:52,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:10:52,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:10:52,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:10:52,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:10:52,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:10:52,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:10:52,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:10:52,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:10:52,115 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:10:52,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:10:52,117 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:10:52,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:10:52,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:10:52,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:10:52,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:10:52,118 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 11:10:52,118 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 11:10:52,118 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 11:10:52,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:10:52,118 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:10:52,118 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:10:52,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:10:52,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:10:52,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:10:52,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:10:52,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:10:52,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:10:52,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:10:52,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:10:52,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:10:52,122 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_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 [2022-11-16 11:10:52,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:10:52,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:10:52,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:10:52,500 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:10:52,501 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:10:52,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i [2022-11-16 11:10:52,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/data/44238ea0e/4c3a6760b40a4eccab29039717f23c16/FLAGc02121672 [2022-11-16 11:10:53,173 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:10:53,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc-deref.i [2022-11-16 11:10:53,190 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/data/44238ea0e/4c3a6760b40a4eccab29039717f23c16/FLAGc02121672 [2022-11-16 11:10:53,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/data/44238ea0e/4c3a6760b40a4eccab29039717f23c16 [2022-11-16 11:10:53,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:10:53,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:10:53,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:10:53,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:10:53,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:10:53,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:10:53" (1/1) ... [2022-11-16 11:10:53,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a144b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:53, skipping insertion in model container [2022-11-16 11:10:53,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:10:53" (1/1) ... [2022-11-16 11:10:53,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:10:53,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:10:54,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:10:54,336 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:10:54,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:10:54,516 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:10:54,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54 WrapperNode [2022-11-16 11:10:54,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:10:54,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:10:54,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:10:54,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:10:54,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,593 INFO L138 Inliner]: procedures = 371, calls = 46, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 190 [2022-11-16 11:10:54,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:10:54,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:10:54,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:10:54,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:10:54,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,639 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:10:54,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:10:54,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:10:54,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:10:54,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (1/1) ... [2022-11-16 11:10:54,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:10:54,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:54,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:54,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5ec32b-5d7d-4d3a-8c9d-69a8bdf4b34d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:10:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:10:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:10:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:10:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:10:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:10:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:10:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:10:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:10:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:10:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:10:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:10:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:10:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:10:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:10:54,746 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:10:54,980 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:10:54,982 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:10:55,632 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:10:55,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:10:55,643 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:10:55,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:55 BoogieIcfgContainer [2022-11-16 11:10:55,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:10:55,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:10:55,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:10:55,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:10:55,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:10:53" (1/3) ... [2022-11-16 11:10:55,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558c6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:10:55, skipping insertion in model container [2022-11-16 11:10:55,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:54" (2/3) ... [2022-11-16 11:10:55,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558c6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:10:55, skipping insertion in model container [2022-11-16 11:10:55,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:55" (3/3) ... [2022-11-16 11:10:55,657 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc-deref.i [2022-11-16 11:10:55,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:10:55,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2022-11-16 11:10:55,693 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:10:55,836 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:10:55,888 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 11:10:55,904 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 324 transitions, 653 flow [2022-11-16 11:10:55,908 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 324 transitions, 653 flow [2022-11-16 11:10:55,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 324 transitions, 653 flow [2022-11-16 11:10:56,085 INFO L130 PetriNetUnfolder]: 5/323 cut-off events. [2022-11-16 11:10:56,086 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:10:56,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 323 events. 5/323 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. 0/241 useless extension candidates. Maximal degree in co-relation 238. Up to 2 conditions per place. [2022-11-16 11:10:56,099 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-11-16 11:12:21,700 WARN L233 SmtUtils]: Spent 6.75s 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) [2022-11-16 11:12:33,842 WARN L233 SmtUtils]: Spent 9.88s 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) [2022-11-16 11:12:53,130 WARN L233 SmtUtils]: Spent 16.17s on a formula simplification. DAG size of input: 232 DAG size of output: 224 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:12:58,490 WARN L233 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:13:10,951 WARN L233 SmtUtils]: Spent 12.46s on a formula simplification. DAG size of input: 229 DAG size of output: 221 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:13:23,107 WARN L233 SmtUtils]: Spent 7.78s 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) [2022-11-16 11:13:42,378 WARN L233 SmtUtils]: Spent 17.34s on a formula simplification. DAG size of input: 246 DAG size of output: 244 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:13:54,054 WARN L233 SmtUtils]: Spent 8.71s 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) [2022-11-16 11:14:08,440 WARN L233 SmtUtils]: Spent 12.52s on a formula simplification. DAG size of input: 241 DAG size of output: 239 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:14:57,044 WARN L233 SmtUtils]: Spent 34.45s on a formula simplification. DAG size of input: 280 DAG size of output: 277 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:15:06,458 WARN L233 SmtUtils]: Spent 9.39s 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) [2022-11-16 11:15:57,982 WARN L233 SmtUtils]: Spent 51.52s on a formula simplification. DAG size of input: 283 DAG size of output: 279 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:16:11,576 WARN L233 SmtUtils]: Spent 13.58s on a formula simplification that was a NOOP. DAG size: 232 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:16:50,229 WARN L233 SmtUtils]: Spent 38.37s on a formula simplification. DAG size of input: 291 DAG size of output: 281 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:17:07,339 WARN L233 SmtUtils]: Spent 17.11s on a formula simplification that was a NOOP. DAG size: 265 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:17:57,280 WARN L233 SmtUtils]: Spent 49.94s on a formula simplification. DAG size of input: 301 DAG size of output: 291 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:18:17,232 WARN L233 SmtUtils]: Spent 19.95s 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) [2022-11-16 11:19:10,468 WARN L233 SmtUtils]: Spent 53.22s on a formula simplification. DAG size of input: 297 DAG size of output: 287 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:19:34,296 WARN L233 SmtUtils]: Spent 23.81s on a formula simplification that was a NOOP. DAG size: 269 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:20:41,666 WARN L233 SmtUtils]: Spent 1.12m on a formula simplification. DAG size of input: 304 DAG size of output: 294 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:21:08,341 WARN L233 SmtUtils]: Spent 26.67s on a formula simplification that was a NOOP. DAG size: 276 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:21:31,577 WARN L233 SmtUtils]: Spent 23.23s on a formula simplification. DAG size of input: 248 DAG size of output: 239 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:21:41,713 WARN L233 SmtUtils]: Spent 10.13s 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) [2022-11-16 11:22:08,692 WARN L233 SmtUtils]: Spent 26.98s on a formula simplification. DAG size of input: 251 DAG size of output: 244 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:22:21,097 WARN L233 SmtUtils]: Spent 12.40s 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) [2022-11-16 11:24:25,607 WARN L233 SmtUtils]: Spent 2.08m on a formula simplification. DAG size of input: 324 DAG size of output: 318 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 11:25:16,105 WARN L233 SmtUtils]: Spent 50.49s on a formula simplification that was a NOOP. DAG size: 290 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)