./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.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_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:12,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:12,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:49:12,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:12,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:12,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:12,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:12,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:12,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:12,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:12,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:12,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:12,784 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:12,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:12,790 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:49:12,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:12,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:49:12,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:12,793 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:49:12,794 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:49:12,794 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:49:12,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:12,795 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:49:12,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:49:12,796 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:49:12,797 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:12,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:12,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:12,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:12,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:12,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:12,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:12,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:12,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:49:12,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:12,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:12,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:12,802 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:12,802 INFO L153 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_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2023-11-19 07:49:13,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:13,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:13,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:13,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:13,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:13,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-11-19 07:49:16,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:16,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:16,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-11-19 07:49:16,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/data/1c0d1d0d0/354bbc8a334e4141875de9abcb425f66/FLAGd05fcbc7b [2023-11-19 07:49:16,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/data/1c0d1d0d0/354bbc8a334e4141875de9abcb425f66 [2023-11-19 07:49:16,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:16,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:16,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:16,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:16,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:16,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:16" (1/1) ... [2023-11-19 07:49:16,833 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 07:49:16, skipping insertion in model container [2023-11-19 07:49:16,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:16" (1/1) ... [2023-11-19 07:49:16,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:17,480 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:17,480 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:17,481 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:17,482 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:17,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:17,573 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 07:49:17,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75cac942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:17, skipping insertion in model container [2023-11-19 07:49:17,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:17,574 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:49:17,576 INFO L158 Benchmark]: Toolchain (without parser) took 753.21ms. Allocated memory is still 140.5MB. Free memory was 92.7MB in the beginning and 76.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:49:17,577 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:17,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 750.08ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 76.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:49:17,579 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 750.08ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 76.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1058]: 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_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:20,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:20,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:49:20,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:20,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:20,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:20,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:20,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:20,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:20,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:20,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:20,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:20,342 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:20,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:20,344 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:49:20,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:20,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:49:20,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:20,346 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:49:20,347 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:49:20,347 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:49:20,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:20,348 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:49:20,349 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:49:20,349 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:49:20,350 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:49:20,350 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:49:20,351 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:20,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:20,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:20,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:20,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:20,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:20,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:20,356 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:49:20,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:49:20,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:20,357 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:20,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:20,358 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:49:20,358 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:20,359 INFO L153 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_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2023-11-19 07:49:20,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:20,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:20,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:20,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:20,830 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:20,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-11-19 07:49:24,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:24,460 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:24,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-11-19 07:49:24,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/data/c30a91981/cd06fa8fa48d49e39a1bdcd31ea46d4d/FLAG1c59be951 [2023-11-19 07:49:24,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/data/c30a91981/cd06fa8fa48d49e39a1bdcd31ea46d4d [2023-11-19 07:49:24,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:24,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:24,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:24,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:24,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:24,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:24" (1/1) ... [2023-11-19 07:49:24,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a08ce65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24, skipping insertion in model container [2023-11-19 07:49:24,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:24" (1/1) ... [2023-11-19 07:49:24,613 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:25,475 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,475 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,476 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,476 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:25,581 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:49:25,597 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:25,634 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,634 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,635 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,639 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:25,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:49:25,716 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,717 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,717 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,718 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:49:25,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:25,827 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:49:25,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25 WrapperNode [2023-11-19 07:49:25,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:25,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:25,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:49:25,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:49:25,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:25,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:25,904 INFO L138 Inliner]: procedures = 283, calls = 52, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 230 [2023-11-19 07:49:25,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:25,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:49:25,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:49:25,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:49:25,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:25,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:25,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:25,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:25,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:25,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:25,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:25,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:26,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:49:26,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:49:26,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:49:26,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:49:26,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2023-11-19 07:49:26,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:26,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:26,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:26,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c777cb5-8b2e-47d5-b98b-450ec8487de1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:49:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:49:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:49:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:49:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:49:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:49:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:49:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 07:49:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:49:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:49:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:49:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:49:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 07:49:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 07:49:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:49:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:49:26,142 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 07:49:26,332 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:49:26,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:49:27,274 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:49:27,289 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:49:27,289 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 07:49:27,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:27 BoogieIcfgContainer [2023-11-19 07:49:27,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:49:27,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:49:27,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:49:27,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:49:27,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:24" (1/3) ... [2023-11-19 07:49:27,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcc90c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:27, skipping insertion in model container [2023-11-19 07:49:27,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (2/3) ... [2023-11-19 07:49:27,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcc90c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:27, skipping insertion in model container [2023-11-19 07:49:27,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:27" (3/3) ... [2023-11-19 07:49:27,307 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2023-11-19 07:49:27,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:49:27,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-19 07:49:27,328 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:49:27,508 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 07:49:27,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 283 places, 308 transitions, 623 flow [2023-11-19 07:49:27,677 INFO L124 PetriNetUnfolderBase]: 30/334 cut-off events. [2023-11-19 07:49:27,677 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:49:27,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 334 events. 30/334 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 953 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 188. Up to 4 conditions per place. [2023-11-19 07:49:27,690 INFO L82 GeneralOperation]: Start removeDead. Operand has 283 places, 308 transitions, 623 flow [2023-11-19 07:49:27,699 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 283 places, 308 transitions, 623 flow [2023-11-19 07:49:27,703 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:49:27,714 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 283 places, 308 transitions, 623 flow [2023-11-19 07:49:27,717 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 283 places, 308 transitions, 623 flow [2023-11-19 07:49:27,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 283 places, 308 transitions, 623 flow [2023-11-19 07:49:27,828 INFO L124 PetriNetUnfolderBase]: 30/334 cut-off events. [2023-11-19 07:49:27,828 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:49:27,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 334 events. 30/334 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 953 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 188. Up to 4 conditions per place. [2023-11-19 07:49:27,864 INFO L119 LiptonReduction]: Number of co-enabled transitions 6912