./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme --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 b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:22,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:23,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-26 12:03:23,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:23,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:23,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:23,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:23,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:23,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:23,134 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:23,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:03:23,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:03:23,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:23,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:23,139 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:23,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:23,140 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:03:23,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:03:23,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:03:23,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:23,142 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 12:03:23,143 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 12:03:23,143 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 12:03:23,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:03:23,144 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:03:23,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:03:23,145 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:03:23,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:23,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:23,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:23,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:03:23,149 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:03:23,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:23,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:23,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:03:23,150 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:03:23,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:03:23,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:03:23,150 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:03:23,151 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:03:23,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:03:23,151 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_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e [2023-11-26 12:03:23,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:23,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:23,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:23,441 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:23,441 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:23,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2023-11-26 12:03:26,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:26,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:26,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2023-11-26 12:03:27,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/data/c6513e1df/89bc3baf0a484d63a8a45ac8b89d5c08/FLAG32c5d9c55 [2023-11-26 12:03:27,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/data/c6513e1df/89bc3baf0a484d63a8a45ac8b89d5c08 [2023-11-26 12:03:27,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:27,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:27,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:27,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:27,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:27,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:27" (1/1) ... [2023-11-26 12:03:27,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c973113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:27, skipping insertion in model container [2023-11-26 12:03:27,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:27" (1/1) ... [2023-11-26 12:03:27,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:28,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:28,103 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) [2023-11-26 12:03:28,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@155ad8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:28, skipping insertion in model container [2023-11-26 12:03:28,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:28,104 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 12:03:28,107 INFO L158 Benchmark]: Toolchain (without parser) took 1054.30ms. Allocated memory is still 132.1MB. Free memory was 87.3MB in the beginning and 93.5MB in the end (delta: -6.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:28,107 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:28,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.62ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 93.5MB in the end (delta: -6.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:28,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.62ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 93.5MB in the end (delta: -6.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 734]: 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme --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 b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:30,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:30,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-26 12:03:30,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:30,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:30,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:30,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:30,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:30,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:30,702 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:30,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:03:30,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:03:30,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:30,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:30,706 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:30,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:30,707 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:03:30,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:03:30,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:03:30,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:30,709 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 12:03:30,710 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 12:03:30,711 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 12:03:30,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:03:30,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:03:30,712 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:03:30,712 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:03:30,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:03:30,713 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:03:30,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:30,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:30,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:30,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:03:30,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:03:30,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:30,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:30,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:03:30,720 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:03:30,720 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:03:30,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:03:30,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:03:30,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:03:30,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:03:30,722 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:03:30,722 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_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e [2023-11-26 12:03:31,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:31,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:31,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:31,185 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:31,185 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:31,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2023-11-26 12:03:34,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:34,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:34,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2023-11-26 12:03:34,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/data/76b95afe9/02ae1f2fec59414588f1407a6c14de17/FLAGcbe7da5f7 [2023-11-26 12:03:34,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/data/76b95afe9/02ae1f2fec59414588f1407a6c14de17 [2023-11-26 12:03:34,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:34,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:34,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:34,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:34,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:34,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:34" (1/1) ... [2023-11-26 12:03:34,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2703c1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:34, skipping insertion in model container [2023-11-26 12:03:34,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:34" (1/1) ... [2023-11-26 12:03:35,012 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:35,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:35,986 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-26 12:03:36,012 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:36,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:36,268 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:36,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:36,470 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:03:36,478 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:36,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36 WrapperNode [2023-11-26 12:03:36,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:36,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:36,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:36,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:36,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:36,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:36,679 INFO L138 Inliner]: procedures = 180, calls = 525, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2203 [2023-11-26 12:03:36,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:36,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:36,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:36,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:36,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:36,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:36,707 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:36,920 INFO L175 MemorySlicer]: Split 490 memory accesses to 5 slices as follows [2, 372, 5, 5, 106]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 88 writes are split as follows [0, 82, 1, 1, 4]. [2023-11-26 12:03:36,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:36,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:37,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:37,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:37,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:37,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:37,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:37,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:37,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:37,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:37,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (1/1) ... [2023-11-26 12:03:37,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:37,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:37,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:37,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 12:03:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 12:03:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-26 12:03:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-26 12:03:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-26 12:03:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-11-26 12:03:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-11-26 12:03:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 12:03:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 12:03:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-26 12:03:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-26 12:03:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-26 12:03:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-26 12:03:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-26 12:03:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 12:03:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 12:03:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 12:03:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 12:03:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 12:03:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 12:03:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 12:03:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 12:03:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 12:03:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 12:03:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:03:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:03:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 12:03:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 12:03:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 12:03:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 12:03:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 12:03:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:03:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-26 12:03:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 12:03:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 12:03:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 12:03:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 12:03:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 12:03:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:03:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 12:03:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 12:03:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-26 12:03:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-26 12:03:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-26 12:03:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:03:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 12:03:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 12:03:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-26 12:03:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-26 12:03:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:37,587 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:37,590 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:03:37,702 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 12:03:37,728 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 12:03:37,752 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 12:03:37,773 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 12:03:37,798 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 12:03:48,595 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:03:49,008 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:03:49,008 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-11-26 12:03:49,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:49 BoogieIcfgContainer [2023-11-26 12:03:49,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:03:49,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:03:49,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:03:49,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:03:49,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:03:34" (1/3) ... [2023-11-26 12:03:49,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546ff600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:49, skipping insertion in model container [2023-11-26 12:03:49,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:36" (2/3) ... [2023-11-26 12:03:49,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546ff600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:49, skipping insertion in model container [2023-11-26 12:03:49,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:49" (3/3) ... [2023-11-26 12:03:49,022 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test10-1.i [2023-11-26 12:03:49,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:03:49,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 990 error locations. [2023-11-26 12:03:49,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:03:49,135 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;@1f052b9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:03:49,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 990 error locations. [2023-11-26 12:03:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 1873 states, 871 states have (on average 2.4615384615384617) internal successors, (2144), 1859 states have internal predecessors, (2144), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 12:03:49,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-26 12:03:49,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:49,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-26 12:03:49,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 987 more)] === [2023-11-26 12:03:49,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:49,159 INFO L85 PathProgramCache]: Analyzing trace with hash 111212, now seen corresponding path program 1 times [2023-11-26 12:03:49,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:03:49,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195264860] [2023-11-26 12:03:49,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:49,177 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 [2023-11-26 12:03:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:03:49,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:03:49,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:49,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:03:49,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:49,633 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 [2023-11-26 12:03:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:49,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:49,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:03:49,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195264860] [2023-11-26 12:03:49,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195264860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:49,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:49,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 12:03:49,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934905740] [2023-11-26 12:03:49,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:49,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:03:49,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:03:49,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:49,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:49,696 INFO L87 Difference]: Start difference. First operand has 1873 states, 871 states have (on average 2.4615384615384617) internal successors, (2144), 1859 states have internal predecessors, (2144), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-26 12:03:54,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:54,803 INFO L93 Difference]: Finished difference Result 2324 states and 2487 transitions. [2023-11-26 12:03:54,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:03:54,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2023-11-26 12:03:54,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:54,836 INFO L225 Difference]: With dead ends: 2324 [2023-11-26 12:03:54,836 INFO L226 Difference]: Without dead ends: 2323 [2023-11-26 12:03:54,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:54,841 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 1779 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:54,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 1374 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-26 12:03:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2023-11-26 12:03:54,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 1986. [2023-11-26 12:03:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1986 states, 1008 states have (on average 2.257936507936508) internal successors, (2276), 1970 states have internal predecessors, (2276), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 12:03:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2308 transitions. [2023-11-26 12:03:54,991 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2308 transitions. Word has length 2 [2023-11-26 12:03:54,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:54,991 INFO L495 AbstractCegarLoop]: Abstraction has 1986 states and 2308 transitions. [2023-11-26 12:03:54,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-26 12:03:54,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2308 transitions. [2023-11-26 12:03:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-26 12:03:54,992 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:54,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-26 12:03:54,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:55,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:55,195 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 987 more)] === [2023-11-26 12:03:55,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:55,196 INFO L85 PathProgramCache]: Analyzing trace with hash 111213, now seen corresponding path program 1 times [2023-11-26 12:03:55,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:03:55,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838428248] [2023-11-26 12:03:55,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:55,197 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 [2023-11-26 12:03:55,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:03:55,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:03:55,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:03:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:55,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:03:55,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:55,435 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 [2023-11-26 12:03:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:55,497 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:55,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:03:55,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838428248] [2023-11-26 12:03:55,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838428248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:55,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:55,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 12:03:55,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874994875] [2023-11-26 12:03:55,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:55,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:03:55,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:03:55,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:55,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:55,503 INFO L87 Difference]: Start difference. First operand 1986 states and 2308 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-26 12:04:02,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:02,670 INFO L93 Difference]: Finished difference Result 2689 states and 3092 transitions. [2023-11-26 12:04:02,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:02,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2023-11-26 12:04:02,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:02,687 INFO L225 Difference]: With dead ends: 2689 [2023-11-26 12:04:02,687 INFO L226 Difference]: Without dead ends: 2689 [2023-11-26 12:04:02,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:02,689 INFO L413 NwaCegarLoop]: 1518 mSDtfsCounter, 776 mSDsluCounter, 994 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 2512 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:02,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 2512 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-11-26 12:04:02,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2023-11-26 12:04:02,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2367. [2023-11-26 12:04:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 1387 states have (on average 2.1997116077865897) internal successors, (3051), 2348 states have internal predecessors, (3051), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 12:04:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3089 transitions. [2023-11-26 12:04:02,758 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3089 transitions. Word has length 2 [2023-11-26 12:04:02,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:02,759 INFO L495 AbstractCegarLoop]: Abstraction has 2367 states and 3089 transitions. [2023-11-26 12:04:02,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-26 12:04:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3089 transitions. [2023-11-26 12:04:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-26 12:04:02,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:02,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-26 12:04:02,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 12:04:02,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:04:02,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 987 more)] === [2023-11-26 12:04:02,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:02,972 INFO L85 PathProgramCache]: Analyzing trace with hash -370989770, now seen corresponding path program 1 times [2023-11-26 12:04:02,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:04:02,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829081877] [2023-11-26 12:04:02,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:02,973 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 [2023-11-26 12:04:02,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:04:02,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:04:02,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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 (4)] Waiting until timeout for monitored process [2023-11-26 12:04:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:03,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:04:03,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:03,229 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 [2023-11-26 12:04:03,236 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 [2023-11-26 12:04:03,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 12:04:03,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-26 12:04:03,342 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-26 12:04:03,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-26 12:04:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:03,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:03,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:04:03,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829081877] [2023-11-26 12:04:03,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829081877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:03,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:03,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:03,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957377344] [2023-11-26 12:04:03,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:03,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:04:03,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:04:03,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:04:03,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:03,374 INFO L87 Difference]: Start difference. First operand 2367 states and 3089 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-26 12:04:16,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:16,953 INFO L93 Difference]: Finished difference Result 4416 states and 5288 transitions. [2023-11-26 12:04:16,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:04:16,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-26 12:04:16,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:16,978 INFO L225 Difference]: With dead ends: 4416 [2023-11-26 12:04:16,978 INFO L226 Difference]: Without dead ends: 4416 [2023-11-26 12:04:16,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:16,980 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 2164 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 3856 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 2074 SdHoareTripleChecker+Invalid, 3880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 3856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:16,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 2074 Invalid, 3880 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 3856 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2023-11-26 12:04:16,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4416 states. [2023-11-26 12:04:17,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4416 to 2949. [2023-11-26 12:04:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 1969 states have (on average 2.254443880142204) internal successors, (4439), 2924 states have internal predecessors, (4439), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 22 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-26 12:04:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 4489 transitions. [2023-11-26 12:04:17,072 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 4489 transitions. Word has length 6 [2023-11-26 12:04:17,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:17,072 INFO L495 AbstractCegarLoop]: Abstraction has 2949 states and 4489 transitions. [2023-11-26 12:04:17,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-26 12:04:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 4489 transitions. [2023-11-26 12:04:17,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 12:04:17,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:17,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:17,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d9afc5-3341-4e5c-92d1-0dc27836c3bc/bin/uautomizer-verify-VRDe98Ueme/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 (4)] Forceful destruction successful, exit code 0