./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/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_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/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 64bit --witnessprinter.graph.data.programhash 3b999e0c8863a6185ab353b93e4a13998fea5fc296976dddb4afe11519346af5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:48,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:48,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-19 07:38:48,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:48,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:48,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:48,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:48,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:48,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:48,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:48,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:48,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:48,548 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:48,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:48,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:48,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:48,551 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:38:48,551 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:38:48,552 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:38:48,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:48,553 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:38:48,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:38:48,560 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:48,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:48,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:48,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:48,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:48,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:48,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:48,563 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:48,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:48,564 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:48,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:48,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:48,565 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:48,566 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_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b999e0c8863a6185ab353b93e4a13998fea5fc296976dddb4afe11519346af5 [2023-11-19 07:38:48,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:48,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:48,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:48,937 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:48,938 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:48,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/touch-2.i [2023-11-19 07:38:52,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:52,775 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:52,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/sv-benchmarks/c/busybox-1.22.0/touch-2.i [2023-11-19 07:38:52,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/data/a0e8f9f17/73b3356b8454418bb8381e58bbc9573c/FLAG2b52fabac [2023-11-19 07:38:52,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/data/a0e8f9f17/73b3356b8454418bb8381e58bbc9573c [2023-11-19 07:38:52,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:52,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:52,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:52,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:52,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:52,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:52,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3902b495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52, skipping insertion in model container [2023-11-19 07:38:52,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:52,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:54,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:54,865 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 07:38:54,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a344e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:54, skipping insertion in model container [2023-11-19 07:38:54,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:54,866 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:38:54,868 INFO L158 Benchmark]: Toolchain (without parser) took 2040.26ms. Allocated memory is still 161.5MB. Free memory was 110.2MB in the beginning and 101.9MB in the end (delta: 8.3MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-19 07:38:54,869 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:54,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2037.73ms. Allocated memory is still 161.5MB. Free memory was 109.7MB in the beginning and 101.9MB in the end (delta: 7.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-19 07:38:54,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2037.73ms. Allocated memory is still 161.5MB. Free memory was 109.7MB in the beginning and 101.9MB in the end (delta: 7.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2550]: 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_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/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_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/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 64bit --witnessprinter.graph.data.programhash 3b999e0c8863a6185ab353b93e4a13998fea5fc296976dddb4afe11519346af5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:57,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:57,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-19 07:38:57,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:57,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:57,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:57,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:57,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:57,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:57,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:57,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:57,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:57,640 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:57,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:57,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:57,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:57,643 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:38:57,643 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:38:57,644 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:38:57,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:57,645 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:38:57,646 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:38:57,646 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:38:57,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:38:57,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:57,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:57,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:57,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:57,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:57,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:57,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:57,650 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:38:57,651 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:38:57,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:57,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:57,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:57,652 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:38:57,652 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:57,653 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_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b999e0c8863a6185ab353b93e4a13998fea5fc296976dddb4afe11519346af5 [2023-11-19 07:38:58,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:58,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:58,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:58,127 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:58,128 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:58,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/touch-2.i [2023-11-19 07:39:01,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:01,964 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:01,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/sv-benchmarks/c/busybox-1.22.0/touch-2.i [2023-11-19 07:39:02,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/data/831f71a79/ffd3b517e71f44f6831208392d86dce2/FLAG37be719df [2023-11-19 07:39:02,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/data/831f71a79/ffd3b517e71f44f6831208392d86dce2 [2023-11-19 07:39:02,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:02,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:02,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:02,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:02,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:02,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:02" (1/1) ... [2023-11-19 07:39:02,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cb5dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:02, skipping insertion in model container [2023-11-19 07:39:02,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:02" (1/1) ... [2023-11-19 07:39:02,164 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:04,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:04,379 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:39:04,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:04,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:04,777 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:05,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:05,409 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:05,409 WARN L675 CHandler]: The function localtime is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:05,409 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:05,410 WARN L675 CHandler]: The function mktime is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:05,410 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:05,410 WARN L675 CHandler]: The function strtoll is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:05,410 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:05,411 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:05,411 WARN L675 CHandler]: The function close is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:05,419 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:05,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05 WrapperNode [2023-11-19 07:39:05,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:05,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:05,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:05,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:05,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,655 INFO L138 Inliner]: procedures = 683, calls = 747, calls flagged for inlining = 38, calls inlined = 37, statements flattened = 2397 [2023-11-19 07:39:05,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:05,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:05,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:05,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:05,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:05,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:05,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:05,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:05,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (1/1) ... [2023-11-19 07:39:05,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:05,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:05,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:05,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure close [2023-11-19 07:39:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2023-11-19 07:39:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 07:39:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:39:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:39:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 07:39:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2023-11-19 07:39:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2023-11-19 07:39:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-19 07:39:06,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-19 07:39:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-11-19 07:39:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2023-11-19 07:39:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:39:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 07:39:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:39:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-19 07:39:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-19 07:39:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-19 07:39:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2023-11-19 07:39:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure utimes [2023-11-19 07:39:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-19 07:39:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 07:39:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 07:39:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 07:39:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 07:39:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-19 07:39:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-19 07:39:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:39:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:39:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:39:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-19 07:39:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-19 07:39:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2023-11-19 07:39:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stat [2023-11-19 07:39:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:39:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:39:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:39:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:39:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:39:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:39:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 07:39:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 07:39:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:39:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:39:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:39:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2023-11-19 07:39:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2023-11-19 07:39:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2023-11-19 07:39:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2023-11-19 07:39:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-19 07:39:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-19 07:39:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 07:39:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-19 07:39:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-19 07:39:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 07:39:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 07:39:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 07:39:06,733 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:06,736 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:08,120 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:39:28,582 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:28,602 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:28,602 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2023-11-19 07:39:28,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:28 BoogieIcfgContainer [2023-11-19 07:39:28,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:28,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:39:28,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:39:28,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:39:28,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:02" (1/3) ... [2023-11-19 07:39:28,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d122b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:28, skipping insertion in model container [2023-11-19 07:39:28,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:05" (2/3) ... [2023-11-19 07:39:28,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d122b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:28, skipping insertion in model container [2023-11-19 07:39:28,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:28" (3/3) ... [2023-11-19 07:39:28,623 INFO L112 eAbstractionObserver]: Analyzing ICFG touch-2.i [2023-11-19 07:39:28,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:39:28,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 913 error locations. [2023-11-19 07:39:28,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:39:28,730 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1af80140, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:39:28,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 913 error locations. [2023-11-19 07:39:28,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 2067 states, 1087 states have (on average 2.0570377184912605) internal successors, (2236), 1999 states have internal predecessors, (2236), 57 states have call successors, (57), 12 states have call predecessors, (57), 12 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-19 07:39:28,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 07:39:28,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:28,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 07:39:28,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [utimesErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, utimesErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, utimesErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 910 more)] === [2023-11-19 07:39:28,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:28,756 INFO L85 PathProgramCache]: Analyzing trace with hash 555154, now seen corresponding path program 1 times [2023-11-19 07:39:28,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:39:28,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343580930] [2023-11-19 07:39:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:28,773 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:39:28,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:39:28,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:39:28,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:39:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:39:29,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:29,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-19 07:39:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:39:29,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:29,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:39:29,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343580930] [2023-11-19 07:39:29,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1343580930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:29,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:29,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:39:29,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784575680] [2023-11-19 07:39:29,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:29,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:39:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:39:29,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:39:29,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:39:29,428 INFO L87 Difference]: Start difference. First operand has 2067 states, 1087 states have (on average 2.0570377184912605) internal successors, (2236), 1999 states have internal predecessors, (2236), 57 states have call successors, (57), 12 states have call predecessors, (57), 12 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:39:38,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:38,390 INFO L93 Difference]: Finished difference Result 2213 states and 2482 transitions. [2023-11-19 07:39:38,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:39:38,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-19 07:39:38,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:38,419 INFO L225 Difference]: With dead ends: 2213 [2023-11-19 07:39:38,420 INFO L226 Difference]: Without dead ends: 2211 [2023-11-19 07:39:38,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:39:38,425 INFO L413 NwaCegarLoop]: 2100 mSDtfsCounter, 425 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 3297 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:38,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 3297 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-19 07:39:38,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2023-11-19 07:39:38,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2041. [2023-11-19 07:39:38,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2041 states, 1071 states have (on average 2.030812324929972) internal successors, (2175), 1983 states have internal predecessors, (2175), 57 states have call successors, (57), 12 states have call predecessors, (57), 10 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-19 07:39:38,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 2041 states and 2279 transitions. [2023-11-19 07:39:38,573 INFO L78 Accepts]: Start accepts. Automaton has 2041 states and 2279 transitions. Word has length 3 [2023-11-19 07:39:38,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:38,573 INFO L495 AbstractCegarLoop]: Abstraction has 2041 states and 2279 transitions. [2023-11-19 07:39:38,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:39:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2279 transitions. [2023-11-19 07:39:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 07:39:38,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:38,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 07:39:38,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 07:39:38,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:39:38,783 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [utimesErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, utimesErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, utimesErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 910 more)] === [2023-11-19 07:39:38,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:38,784 INFO L85 PathProgramCache]: Analyzing trace with hash 555155, now seen corresponding path program 1 times [2023-11-19 07:39:38,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:39:38,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352529106] [2023-11-19 07:39:38,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:38,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:39:38,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:39:38,787 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:39:38,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999e0914-63a7-4eef-a88b-a1e4b5ea34f5/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:39:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:39,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:39:39,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:39,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 07:39:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:39:39,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:39,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:39:39,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352529106] [2023-11-19 07:39:39,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [352529106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:39,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:39,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:39:39,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978342245] [2023-11-19 07:39:39,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:39,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:39:39,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:39:39,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:39:39,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:39:39,327 INFO L87 Difference]: Start difference. First operand 2041 states and 2279 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)