./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing-deref.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:46:51,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:46:52,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 04:46:52,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:46:52,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:46:52,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:46:52,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:46:52,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:46:52,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:46:52,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:46:52,182 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:46:52,183 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:46:52,183 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:46:52,185 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:46:52,186 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:46:52,186 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:46:52,187 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:46:52,187 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:46:52,188 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:46:52,188 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:46:52,189 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:46:52,189 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:46:52,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:46:52,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:46:52,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:46:52,192 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:46:52,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:46:52,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:46:52,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:46:52,193 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:46:52,195 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:46:52,195 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:46:52,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:46:52,196 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:46:52,196 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:46:52,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:46:52,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:46:52,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:46:52,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:46:52,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:52,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:46:52,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:46:52,198 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:46:52,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:46:52,199 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:46:52,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:46:52,199 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2023-11-19 04:46:52,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:46:52,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:46:52,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:46:52,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:46:52,517 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:46:52,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing-deref.i [2023-11-19 04:46:55,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:46:55,940 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:46:55,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing-deref.i [2023-11-19 04:46:55,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/data/1cd823e56/1ac04dc0fc32437a8c3904ffb56639ce/FLAG00cd4525a [2023-11-19 04:46:55,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/data/1cd823e56/1ac04dc0fc32437a8c3904ffb56639ce [2023-11-19 04:46:55,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:46:55,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:46:55,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:55,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:46:55,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:46:55,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:55" (1/1) ... [2023-11-19 04:46:55,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f23637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:55, skipping insertion in model container [2023-11-19 04:46:55,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:55" (1/1) ... [2023-11-19 04:46:56,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:46:56,588 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:46:56,589 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:46:56,589 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:46:56,590 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:46:56,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:56,640 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 04:46:56,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47bd347d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:56, skipping insertion in model container [2023-11-19 04:46:56,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:56,641 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:46:56,643 INFO L158 Benchmark]: Toolchain (without parser) took 655.36ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 103.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:46:56,644 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:56,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.86ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 103.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:46:56,646 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.86ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 103.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1051]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing-deref.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:46:59,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:46:59,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 04:46:59,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:46:59,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:46:59,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:46:59,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:46:59,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:46:59,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:46:59,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:46:59,405 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:46:59,405 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:46:59,406 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:46:59,408 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:46:59,408 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:46:59,408 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:46:59,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:46:59,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:46:59,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:46:59,412 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:46:59,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:46:59,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:46:59,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:46:59,413 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:46:59,414 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:46:59,414 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:46:59,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:46:59,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:46:59,416 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:46:59,416 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:46:59,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:46:59,418 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:46:59,418 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:46:59,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:46:59,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:46:59,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:46:59,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:59,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:46:59,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:46:59,421 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:46:59,421 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:46:59,421 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:46:59,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:46:59,422 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2023-11-19 04:46:59,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:46:59,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:46:59,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:46:59,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:46:59,949 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:46:59,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing-deref.i [2023-11-19 04:47:03,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:03,751 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:03,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing-deref.i [2023-11-19 04:47:03,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/data/7c84c609d/a3e3bc88cdab451e9d4f68c1a810bd9b/FLAG07a56569a [2023-11-19 04:47:03,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/data/7c84c609d/a3e3bc88cdab451e9d4f68c1a810bd9b [2023-11-19 04:47:03,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:03,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:03,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:03,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:03,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:03,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:03" (1/1) ... [2023-11-19 04:47:03,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53922db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:03, skipping insertion in model container [2023-11-19 04:47:03,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:03" (1/1) ... [2023-11-19 04:47:03,852 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:04,515 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,516 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,516 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,517 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:04,587 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:47:04,600 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:04,657 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,657 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,658 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,658 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:04,704 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:04,770 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,778 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,779 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,779 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 04:47:04,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:04,888 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:04,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04 WrapperNode [2023-11-19 04:47:04,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:04,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:04,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:04,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:04,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:04,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:04,992 INFO L138 Inliner]: procedures = 282, calls = 52, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 228 [2023-11-19 04:47:04,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:04,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:04,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:04,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:05,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:05,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:05,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:05,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:05,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (1/1) ... [2023-11-19 04:47:05,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:05,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:05,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:05,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a19d2-feec-4622-873e-af5bbbedab4d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:47:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:47:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:47:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:47:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:47:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:47:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:47:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:47:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:47:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:47:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 04:47:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 04:47:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:05,168 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:47:05,370 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:05,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:06,407 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:06,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:06,425 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 04:47:06,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:06 BoogieIcfgContainer [2023-11-19 04:47:06,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:06,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:06,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:06,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:06,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:03" (1/3) ... [2023-11-19 04:47:06,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fcf3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:06, skipping insertion in model container [2023-11-19 04:47:06,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:04" (2/3) ... [2023-11-19 04:47:06,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fcf3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:06, skipping insertion in model container [2023-11-19 04:47:06,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:06" (3/3) ... [2023-11-19 04:47:06,457 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing-deref.i [2023-11-19 04:47:06,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:06,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-11-19 04:47:06,482 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:47:06,704 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 04:47:06,764 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:47:06,787 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 309 transitions, 625 flow [2023-11-19 04:47:06,794 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 309 transitions, 625 flow [2023-11-19 04:47:06,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 285 places, 309 transitions, 625 flow [2023-11-19 04:47:07,009 INFO L124 PetriNetUnfolderBase]: 29/335 cut-off events. [2023-11-19 04:47:07,009 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 04:47:07,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 335 events. 29/335 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 765 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 189. Up to 4 conditions per place. [2023-11-19 04:47:07,030 INFO L119 LiptonReduction]: Number of co-enabled transitions 6912