./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/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_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-13 15:20:07,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:20:07,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:20:07,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:20:07,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:20:07,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:20:07,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:20:07,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:20:07,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:20:07,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:20:07,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:20:07,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:20:07,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:20:07,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:20:07,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:20:07,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:20:07,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:20:07,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:20:07,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:20:07,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:20:07,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:20:07,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:20:07,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:20:07,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:20:07,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:20:07,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:20:07,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:20:07,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:20:07,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:20:07,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:20:07,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:20:07,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:20:07,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:20:07,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:20:07,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:20:07,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:20:07,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:20:07,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:20:07,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:20:07,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:20:07,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:20:07,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-12-13 15:20:07,708 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:20:07,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:20:07,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:20:07,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:20:07,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:20:07,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:20:07,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:20:07,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:20:07,710 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:20:07,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:20:07,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:20:07,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:20:07,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:20:07,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:20:07,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:20:07,712 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 15:20:07,712 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 15:20:07,712 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 15:20:07,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:20:07,713 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:20:07,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:20:07,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:20:07,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:20:07,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:20:07,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:20:07,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:20:07,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:20:07,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:20:07,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:20:07,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:20:07,715 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:20:07,715 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:20:07,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:20:07,715 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:20:07,715 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_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 [2022-12-13 15:20:07,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:20:07,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:20:07,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:20:07,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:20:07,932 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:20:07,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-12-13 15:20:10,612 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:20:10,787 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:20:10,788 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-12-13 15:20:10,799 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/data/2be8f35e4/60fde03cf0794c4c853a9524baacc54f/FLAGbb2a8240c [2022-12-13 15:20:10,809 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/data/2be8f35e4/60fde03cf0794c4c853a9524baacc54f [2022-12-13 15:20:10,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:20:10,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:20:10,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:20:10,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:20:10,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:20:10,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:20:10" (1/1) ... [2022-12-13 15:20:10,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e470dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:10, skipping insertion in model container [2022-12-13 15:20:10,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:20:10" (1/1) ... [2022-12-13 15:20:10,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:20:10,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:20:11,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:20:11,278 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:20:11,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:20:11,368 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:20:11,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11 WrapperNode [2022-12-13 15:20:11,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:20:11,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:20:11,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:20:11,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:20:11,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,408 INFO L138 Inliner]: procedures = 370, calls = 42, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 196 [2022-12-13 15:20:11,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:20:11,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:20:11,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:20:11,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:20:11,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,442 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:20:11,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:20:11,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:20:11,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:20:11,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (1/1) ... [2022-12-13 15:20:11,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:20:11,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:20:11,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:20:11,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bdacec3-d078-4b07-962c-f4cd663c2b97/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:20:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:20:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:20:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:20:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:20:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:20:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 15:20:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:20:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:20:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:20:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 15:20:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 15:20:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:20:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:20:11,513 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 15:20:11,629 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:20:11,630 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:20:12,069 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:20:12,079 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:20:12,079 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 15:20:12,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:20:12 BoogieIcfgContainer [2022-12-13 15:20:12,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:20:12,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:20:12,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:20:12,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:20:12,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:20:10" (1/3) ... [2022-12-13 15:20:12,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5f7afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:20:12, skipping insertion in model container [2022-12-13 15:20:12,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:20:11" (2/3) ... [2022-12-13 15:20:12,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5f7afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:20:12, skipping insertion in model container [2022-12-13 15:20:12,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:20:12" (3/3) ... [2022-12-13 15:20:12,090 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr-deref.i [2022-12-13 15:20:12,108 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:20:12,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2022-12-13 15:20:12,109 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:20:12,185 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 15:20:12,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 338 transitions, 681 flow [2022-12-13 15:20:12,325 INFO L130 PetriNetUnfolder]: 5/337 cut-off events. [2022-12-13 15:20:12,325 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:20:12,329 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. [2022-12-13 15:20:12,329 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 338 transitions, 681 flow [2022-12-13 15:20:12,334 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 336 places, 337 transitions, 677 flow [2022-12-13 15:20:12,337 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:20:12,345 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 337 transitions, 677 flow [2022-12-13 15:20:12,347 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 337 transitions, 677 flow [2022-12-13 15:20:12,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 336 places, 337 transitions, 677 flow [2022-12-13 15:20:12,386 INFO L130 PetriNetUnfolder]: 5/337 cut-off events. [2022-12-13 15:20:12,386 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:20:12,387 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 328 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. [2022-12-13 15:20:12,389 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-12-13 15:21:30,077 WARN L233 SmtUtils]: Spent 30.30s on a formula simplification. DAG size of input: 276 DAG size of output: 262 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:21:38,234 WARN L233 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:22:11,261 WARN L233 SmtUtils]: Spent 33.02s on a formula simplification. DAG size of input: 276 DAG size of output: 262 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:22:20,442 WARN L233 SmtUtils]: Spent 9.18s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:22:37,873 WARN L233 SmtUtils]: Spent 17.43s on a formula simplification. DAG size of input: 271 DAG size of output: 259 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:22:42,946 WARN L233 SmtUtils]: Spent 5.07s 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) [2022-12-13 15:23:01,563 WARN L233 SmtUtils]: Spent 18.61s on a formula simplification. DAG size of input: 271 DAG size of output: 259 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:23:08,144 WARN L233 SmtUtils]: Spent 6.58s 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) [2022-12-13 15:23:25,383 WARN L233 SmtUtils]: Spent 8.24s on a formula simplification. DAG size of input: 232 DAG size of output: 230 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:23:34,983 WARN L233 SmtUtils]: Spent 7.42s on a formula simplification. DAG size of input: 229 DAG size of output: 227 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:23:44,747 WARN L233 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 227 DAG size of output: 225 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:23:56,107 WARN L233 SmtUtils]: Spent 9.00s on a formula simplification. DAG size of input: 224 DAG size of output: 222 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:24:12,864 WARN L233 SmtUtils]: Spent 9.52s on a formula simplification that was a NOOP. DAG size: 267 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:24:22,091 WARN L233 SmtUtils]: Spent 9.22s on a formula simplification that was a NOOP. DAG size: 263 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:24:43,000 WARN L233 SmtUtils]: Spent 20.91s on a formula simplification. DAG size of input: 279 DAG size of output: 277 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:24:52,413 WARN L233 SmtUtils]: Spent 9.41s on a formula simplification that was a NOOP. DAG size: 272 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:25:02,963 WARN L233 SmtUtils]: Spent 10.55s on a formula simplification that was a NOOP. DAG size: 265 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:25:13,502 WARN L233 SmtUtils]: Spent 10.54s on a formula simplification that was a NOOP. DAG size: 261 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:25:34,403 WARN L233 SmtUtils]: Spent 20.90s on a formula simplification. DAG size of input: 277 DAG size of output: 275 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:25:43,993 WARN L233 SmtUtils]: Spent 9.59s on a formula simplification that was a NOOP. DAG size: 270 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:26:33,493 WARN L233 SmtUtils]: Spent 49.49s on a formula simplification. DAG size of input: 310 DAG size of output: 291 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:26:48,299 WARN L233 SmtUtils]: Spent 14.80s on a formula simplification that was a NOOP. DAG size: 259 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:27:29,172 WARN L233 SmtUtils]: Spent 40.87s on a formula simplification. DAG size of input: 307 DAG size of output: 288 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:27:41,159 WARN L233 SmtUtils]: Spent 11.98s on a formula simplification that was a NOOP. DAG size: 256 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:28:24,875 WARN L233 SmtUtils]: Spent 43.66s on a formula simplification. DAG size of input: 315 DAG size of output: 298 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:28:38,381 WARN L233 SmtUtils]: Spent 13.50s on a formula simplification that was a NOOP. DAG size: 267 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:29:23,112 WARN L233 SmtUtils]: Spent 44.73s on a formula simplification. DAG size of input: 312 DAG size of output: 292 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:29:36,975 WARN L233 SmtUtils]: Spent 13.86s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:29:43,077 WARN L233 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 195 DAG size of output: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:29:59,156 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 221 DAG size of output: 213 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:30:06,832 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 221 DAG size of output: 213 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:30:15,527 WARN L233 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 226 DAG size of output: 218 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:30:26,252 WARN L233 SmtUtils]: Spent 8.19s on a formula simplification. DAG size of input: 226 DAG size of output: 221 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:31:00,200 WARN L233 SmtUtils]: Spent 30.72s on a formula simplification. DAG size of input: 263 DAG size of output: 261 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:31:08,128 WARN L233 SmtUtils]: Spent 7.92s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:31:37,451 WARN L233 SmtUtils]: Spent 29.32s on a formula simplification. DAG size of input: 260 DAG size of output: 258 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:31:48,824 WARN L233 SmtUtils]: Spent 11.37s on a formula simplification that was a NOOP. DAG size: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:33:48,709 WARN L233 SmtUtils]: Spent 1.69m on a formula simplification. DAG size of input: 346 DAG size of output: 339 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 15:34:24,760 WARN L233 SmtUtils]: Spent 36.04s on a formula simplification that was a NOOP. DAG size: 308 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)