./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a 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_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:40,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:40,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-02 11:23:40,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:40,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:40,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:40,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:40,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:40,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:40,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:40,946 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:40,947 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:40,947 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:40,947 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:23:40,947 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:40,948 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:40,948 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:23:40,948 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:23:40,949 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:40,949 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:23:40,949 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:23:40,952 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:23:40,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 11:23:40,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 11:23:40,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:40,956 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:23:40,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:23:40,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:23:40,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:40,957 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 11:23:40,957 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 11:23:40,957 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 11:23:40,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:40,959 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:23:40,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:40,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 11:23:40,960 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:23:40,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:40,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:40,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:40,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:40,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:40,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:40,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:40,963 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:23:40,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:23:40,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:40,964 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:40,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:40,964 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2024-11-02 11:23:41,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:41,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:41,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:41,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:41,282 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:41,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i Unable to find full path for "g++" [2024-11-02 11:23:43,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:43,651 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:43,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-11-02 11:23:43,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/data/40a2fa478/6f220edbefa34265bb5f92367d9e98b5/FLAGdef08ae76 [2024-11-02 11:23:43,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/data/40a2fa478/6f220edbefa34265bb5f92367d9e98b5 [2024-11-02 11:23:43,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:43,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:43,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:43,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:43,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:43,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:43" (1/1) ... [2024-11-02 11:23:43,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0ab11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:43, skipping insertion in model container [2024-11-02 11:23:43,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:43" (1/1) ... [2024-11-02 11:23:43,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:44,539 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,589 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,593 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,597 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,604 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,645 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,646 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,649 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,650 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,654 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,656 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,658 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,659 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,664 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:44,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:44,695 ERROR L321 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) [2024-11-02 11:23:44,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c09e50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:44, skipping insertion in model container [2024-11-02 11:23:44,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:44,698 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-02 11:23:44,701 INFO L158 Benchmark]: Toolchain (without parser) took 1005.43ms. Allocated memory is still 180.4MB. Free memory was 139.3MB in the beginning and 114.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 11:23:44,701 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:23:44,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1003.10ms. Allocated memory is still 180.4MB. Free memory was 139.3MB in the beginning and 114.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 11:23:44,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1003.10ms. Allocated memory is still 180.4MB. Free memory was 139.3MB in the beginning and 114.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: 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_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:47,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:47,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-02 11:23:47,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:47,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:47,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:47,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:47,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:47,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:47,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:47,287 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:47,287 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:47,288 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:47,288 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:47,288 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:47,289 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:47,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 11:23:47,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 11:23:47,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:47,294 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:23:47,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:23:47,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:23:47,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:47,299 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 11:23:47,299 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 11:23:47,300 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 11:23:47,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:47,300 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:23:47,300 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:23:47,301 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:47,301 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:23:47,301 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 11:23:47,301 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:23:47,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:47,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:47,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:23:47,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:47,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:47,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:47,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:47,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:47,307 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:23:47,307 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:23:47,308 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:47,308 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:47,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:47,309 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2024-11-02 11:23:47,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:47,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:47,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:47,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:47,812 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:47,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i Unable to find full path for "g++" [2024-11-02 11:23:50,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:50,662 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:50,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-11-02 11:23:50,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/data/1f23ccf49/3057bd40420641c081d85fa23320dd4d/FLAG391380ccc [2024-11-02 11:23:50,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/data/1f23ccf49/3057bd40420641c081d85fa23320dd4d [2024-11-02 11:23:50,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:50,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:50,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:50,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:50,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:50,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:50" (1/1) ... [2024-11-02 11:23:50,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1088df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:50, skipping insertion in model container [2024-11-02 11:23:50,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:50" (1/1) ... [2024-11-02 11:23:50,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:51,668 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,709 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,715 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,727 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,737 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,797 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,798 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,802 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,806 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,813 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,815 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,820 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,822 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,830 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:51,867 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-02 11:23:51,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:51,938 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,964 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,968 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,970 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:51,974 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,011 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,012 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,014 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,014 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,020 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,021 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,023 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,024 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,030 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 11:23:52,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:52,041 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:23:52,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:52,237 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:23:52,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52 WrapperNode [2024-11-02 11:23:52,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:52,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:52,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:23:52,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:23:52,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,374 INFO L138 Inliner]: procedures = 286, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1078 [2024-11-02 11:23:52,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:52,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:23:52,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:23:52,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:23:52,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:23:52,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:23:52,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:23:52,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:23:52,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:52,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:52,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:23:52,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:23:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-02 11:23:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-02 11:23:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 11:23:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 11:23:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:23:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:23:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:23:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 11:23:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:23:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 11:23:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-02 11:23:52,606 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-02 11:23:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:23:52,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:23:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:23:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:23:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-02 11:23:52,606 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-02 11:23:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:23:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-02 11:23:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-02 11:23:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:23:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:23:52,876 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:23:52,878 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:23:58,006 INFO L? ?]: Removed 1086 outVars from TransFormulas that were not future-live. [2024-11-02 11:23:58,006 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:23:58,055 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:23:58,059 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-02 11:23:58,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:58 BoogieIcfgContainer [2024-11-02 11:23:58,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:23:58,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:23:58,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:23:58,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:23:58,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:50" (1/3) ... [2024-11-02 11:23:58,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4872e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:58, skipping insertion in model container [2024-11-02 11:23:58,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52" (2/3) ... [2024-11-02 11:23:58,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4872e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:58, skipping insertion in model container [2024-11-02 11:23:58,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:58" (3/3) ... [2024-11-02 11:23:58,071 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test6-1.i [2024-11-02 11:23:58,090 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:23:58,091 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 522 error locations. [2024-11-02 11:23:58,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:23:58,168 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@6c4beb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:23:58,168 INFO L334 AbstractCegarLoop]: Starting to check reachability of 522 error locations. [2024-11-02 11:23:58,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 1085 states, 540 states have (on average 2.198148148148148) internal successors, (1187), 1065 states have internal predecessors, (1187), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-02 11:23:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-02 11:23:58,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:23:58,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-02 11:23:58,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 519 more)] === [2024-11-02 11:23:58,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:23:58,198 INFO L85 PathProgramCache]: Analyzing trace with hash 85465, now seen corresponding path program 1 times [2024-11-02 11:23:58,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:23:58,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730321201] [2024-11-02 11:23:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:58,216 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 [2024-11-02 11:23:58,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:23:58,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:23:58,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:23:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:23:58,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 11:23:58,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:23:58,519 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 [2024-11-02 11:23:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:23:58,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:23:58,548 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:23:58,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730321201] [2024-11-02 11:23:58,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730321201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:23:58,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:23:58,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:23:58,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936065978] [2024-11-02 11:23:58,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:23:58,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:23:58,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:23:58,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:23:58,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:23:58,606 INFO L87 Difference]: Start difference. First operand has 1085 states, 540 states have (on average 2.198148148148148) internal successors, (1187), 1065 states have internal predecessors, (1187), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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) [2024-11-02 11:24:00,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:24:00,991 INFO L93 Difference]: Finished difference Result 1165 states and 1235 transitions. [2024-11-02 11:24:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:24:00,994 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 [2024-11-02 11:24:00,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:24:01,013 INFO L225 Difference]: With dead ends: 1165 [2024-11-02 11:24:01,013 INFO L226 Difference]: Without dead ends: 1163 [2024-11-02 11:24:01,015 INFO L431 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 [2024-11-02 11:24:01,019 INFO L432 NwaCegarLoop]: 796 mSDtfsCounter, 720 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-02 11:24:01,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1042 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-02 11:24:01,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2024-11-02 11:24:01,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1106. [2024-11-02 11:24:01,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 576 states have (on average 2.0572916666666665) internal successors, (1185), 1088 states have internal predecessors, (1185), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 11:24:01,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1215 transitions. [2024-11-02 11:24:01,133 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1215 transitions. Word has length 3 [2024-11-02 11:24:01,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:24:01,134 INFO L471 AbstractCegarLoop]: Abstraction has 1106 states and 1215 transitions. [2024-11-02 11:24:01,134 INFO L472 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) [2024-11-02 11:24:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1215 transitions. [2024-11-02 11:24:01,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-02 11:24:01,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:01,135 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-02 11:24:01,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:24:01,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:24:01,338 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 519 more)] === [2024-11-02 11:24:01,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:01,339 INFO L85 PathProgramCache]: Analyzing trace with hash 85466, now seen corresponding path program 1 times [2024-11-02 11:24:01,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:01,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80403087] [2024-11-02 11:24:01,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:01,342 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 [2024-11-02 11:24:01,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:01,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:24:01,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:24:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:01,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 11:24:01,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:01,503 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 [2024-11-02 11:24:01,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:24:01,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:24:01,522 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:01,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80403087] [2024-11-02 11:24:01,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80403087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:24:01,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:24:01,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:24:01,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3039740] [2024-11-02 11:24:01,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:24:01,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:24:01,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:24:01,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:24:01,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:24:01,527 INFO L87 Difference]: Start difference. First operand 1106 states and 1215 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) [2024-11-02 11:24:04,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:24:04,858 INFO L93 Difference]: Finished difference Result 1510 states and 1656 transitions. [2024-11-02 11:24:04,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:24:04,859 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 [2024-11-02 11:24:04,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:24:04,864 INFO L225 Difference]: With dead ends: 1510 [2024-11-02 11:24:04,864 INFO L226 Difference]: Without dead ends: 1510 [2024-11-02 11:24:04,864 INFO L431 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 [2024-11-02 11:24:04,866 INFO L432 NwaCegarLoop]: 936 mSDtfsCounter, 428 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:24:04,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1538 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-02 11:24:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2024-11-02 11:24:04,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1319. [2024-11-02 11:24:04,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 788 states have (on average 2.0431472081218276) internal successors, (1610), 1299 states have internal predecessors, (1610), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-02 11:24:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1644 transitions. [2024-11-02 11:24:04,899 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1644 transitions. Word has length 3 [2024-11-02 11:24:04,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:24:04,900 INFO L471 AbstractCegarLoop]: Abstraction has 1319 states and 1644 transitions. [2024-11-02 11:24:04,900 INFO L472 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) [2024-11-02 11:24:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1644 transitions. [2024-11-02 11:24:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-02 11:24:04,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:04,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:24:04,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 11:24:05,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:24:05,102 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 519 more)] === [2024-11-02 11:24:05,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:05,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1307350193, now seen corresponding path program 1 times [2024-11-02 11:24:05,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:05,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820900511] [2024-11-02 11:24:05,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:05,104 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 [2024-11-02 11:24:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:05,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:24:05,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:24:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:05,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 11:24:05,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:05,346 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 [2024-11-02 11:24:05,359 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 [2024-11-02 11:24:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:24:05,451 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 [2024-11-02 11:24:05,478 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-02 11:24:05,478 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 [2024-11-02 11:24:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:24:05,526 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:24:05,526 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:05,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820900511] [2024-11-02 11:24:05,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820900511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:24:05,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:24:05,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:24:05,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187500064] [2024-11-02 11:24:05,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:24:05,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:24:05,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:24:05,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:24:05,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:24:05,529 INFO L87 Difference]: Start difference. First operand 1319 states and 1644 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-02 11:24:11,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:24:11,673 INFO L93 Difference]: Finished difference Result 2025 states and 2408 transitions. [2024-11-02 11:24:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 11:24:11,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-02 11:24:11,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:24:11,682 INFO L225 Difference]: With dead ends: 2025 [2024-11-02 11:24:11,683 INFO L226 Difference]: Without dead ends: 2025 [2024-11-02 11:24:11,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:24:11,684 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 734 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 1792 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 1804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-02 11:24:11,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 1585 Invalid, 1804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1792 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-02 11:24:11,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2024-11-02 11:24:11,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1468. [2024-11-02 11:24:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 937 states have (on average 2.024546424759872) internal successors, (1897), 1448 states have internal predecessors, (1897), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-02 11:24:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1931 transitions. [2024-11-02 11:24:11,737 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1931 transitions. Word has length 8 [2024-11-02 11:24:11,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:24:11,738 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 1931 transitions. [2024-11-02 11:24:11,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-02 11:24:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1931 transitions. [2024-11-02 11:24:11,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-02 11:24:11,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:11,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:24:11,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 11:24:11,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:24:11,943 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 519 more)] === [2024-11-02 11:24:11,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1873150296, now seen corresponding path program 1 times [2024-11-02 11:24:11,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:11,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828596043] [2024-11-02 11:24:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:11,945 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 [2024-11-02 11:24:11,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:11,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:24:11,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2af7f2-1ba9-4975-aa58-6a744d8305d8/bin/utaipan-verify-DbMuA5NWw2/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 (5)] Waiting until timeout for monitored process [2024-11-02 11:24:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:12,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 11:24:12,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:12,171 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 [2024-11-02 11:24:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:24:12,204 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:24:12,205 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:12,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828596043] [2024-11-02 11:24:12,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828596043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:24:12,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:24:12,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:24:12,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023594578] [2024-11-02 11:24:12,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:24:12,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:24:12,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:24:12,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:24:12,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:24:12,208 INFO L87 Difference]: Start difference. First operand 1468 states and 1931 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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)