./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:26,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:26,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-02 12:33:26,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:26,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:26,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:26,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:26,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:26,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:26,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:26,289 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:26,289 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:26,290 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:26,290 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:26,290 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:26,291 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:26,291 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:26,295 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:26,295 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:26,296 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:26,296 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:26,296 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:26,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:33:26,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:33:26,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:26,298 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:26,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:26,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:26,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:26,299 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:33:26,299 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:33:26,300 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:33:26,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:26,302 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:33:26,302 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:26,302 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:33:26,302 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:26,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:26,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:26,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:26,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:26,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:26,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:26,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:26,305 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:26,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:26,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:26,306 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:26,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:26,306 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_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2024-11-02 12:33:26,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:26,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:26,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:26,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:26,646 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:26,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i Unable to find full path for "g++" [2024-11-02 12:33:28,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:29,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:29,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2024-11-02 12:33:29,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/data/21fb23d90/6911ca4b83924ce885b8ba965d004d8b/FLAGd6acf60bc [2024-11-02 12:33:29,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/data/21fb23d90/6911ca4b83924ce885b8ba965d004d8b [2024-11-02 12:33:29,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:29,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:29,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:29,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:29,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:29,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:29" (1/1) ... [2024-11-02 12:33:29,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd67064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:29, skipping insertion in model container [2024-11-02 12:33:29,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:29" (1/1) ... [2024-11-02 12:33:29,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:29,973 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 12:33:30,018 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 12:33:30,023 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 12:33:30,030 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 12:33:30,041 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 12:33:30,082 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 12:33:30,083 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 12:33:30,086 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 12:33:30,087 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 12:33:30,090 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 12:33:30,092 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 12:33:30,094 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 12:33:30,095 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 12:33:30,119 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 12:33:30,121 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 12:33:30,125 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 12:33:30,132 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 12:33:30,133 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 12:33:30,134 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 12:33:30,142 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 12:33:30,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:30,180 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 12:33:30,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5607d0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30, skipping insertion in model container [2024-11-02 12:33:30,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:30,181 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-02 12:33:30,183 INFO L158 Benchmark]: Toolchain (without parser) took 885.23ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 79.4MB in the beginning and 126.1MB in the end (delta: -46.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-02 12:33:30,184 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:33:30,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 882.58ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 79.4MB in the beginning and 126.1MB in the end (delta: -46.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-02 12:33:30,204 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 882.58ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 79.4MB in the beginning and 126.1MB in the end (delta: -46.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 747]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:32,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:32,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-02 12:33:32,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:32,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:32,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:32,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:32,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:32,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:32,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:32,630 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:32,631 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:32,631 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:32,631 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:32,632 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:32,632 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:32,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:33:32,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:33:32,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:32,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:32,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:32,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:32,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:32,638 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:33:32,639 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:33:32,639 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:33:32,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:32,639 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:33:32,639 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:33:32,640 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:32,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:33:32,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:33:32,640 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:32,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:32,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:32,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:33:32,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:32,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:32,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:32,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:32,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:32,648 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:33:32,649 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:33:32,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:32,649 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:32,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:32,649 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_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2024-11-02 12:33:33,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:33,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:33,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:33,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:33,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:33,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i Unable to find full path for "g++" [2024-11-02 12:33:35,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:35,791 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:35,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2024-11-02 12:33:35,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/data/457cd6b78/b7d73f0329834cb895b5ed98c2c7a2b1/FLAG6c665aab5 [2024-11-02 12:33:35,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/data/457cd6b78/b7d73f0329834cb895b5ed98c2c7a2b1 [2024-11-02 12:33:35,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:35,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:35,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:35,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:35,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:35,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:35,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c638d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:35, skipping insertion in model container [2024-11-02 12:33:35,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:35" (1/1) ... [2024-11-02 12:33:36,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:36,663 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 12:33:36,707 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 12:33:36,717 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 12:33:36,728 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 12:33:36,739 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 12:33:36,779 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 12:33:36,780 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 12:33:36,784 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 12:33:36,784 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 12:33:36,788 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 12:33:36,790 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 12:33:36,791 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 12:33:36,792 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 12:33:36,798 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 12:33:36,801 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 12:33:36,807 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 12:33:36,809 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 12:33:36,810 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 12:33:36,824 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 12:33:36,828 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 12:33:36,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:36,858 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-02 12:33:36,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:36,922 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 12:33:36,936 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 12:33:36,938 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 12:33:36,941 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 12:33:36,945 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 12:33:36,965 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 12:33:36,966 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 12:33:36,968 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 12:33:36,969 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 12:33:36,971 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 12:33:36,972 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 12:33:36,973 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 12:33:36,974 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 12:33:36,978 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 12:33:36,979 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 12:33:36,980 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 12:33:36,981 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 12:33:36,982 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 12:33:36,983 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 12:33:36,986 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 12:33:36,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:36,997 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:37,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:37,206 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:37,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37 WrapperNode [2024-11-02 12:33:37,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:37,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:37,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:37,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:37,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,378 INFO L138 Inliner]: procedures = 180, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1236 [2024-11-02 12:33:37,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:37,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:37,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:37,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:37,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:37,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:37,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:37,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:37,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (1/1) ... [2024-11-02 12:33:37,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:37,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:37,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:37,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-02 12:33:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-02 12:33:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:33:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:33:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:33:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:33:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:33:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:33:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:33:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:33:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:33:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:33:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:33:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:33:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:33:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:37,873 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:37,876 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:37,907 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-02 12:33:44,078 INFO L? ?]: Removed 1307 outVars from TransFormulas that were not future-live. [2024-11-02 12:33:44,078 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:44,114 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:33:44,114 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-02 12:33:44,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:44 BoogieIcfgContainer [2024-11-02 12:33:44,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:33:44,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:33:44,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:33:44,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:33:44,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:35" (1/3) ... [2024-11-02 12:33:44,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba27fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:44, skipping insertion in model container [2024-11-02 12:33:44,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:37" (2/3) ... [2024-11-02 12:33:44,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba27fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:44, skipping insertion in model container [2024-11-02 12:33:44,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:44" (3/3) ... [2024-11-02 12:33:44,144 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i [2024-11-02 12:33:44,168 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:33:44,168 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 632 error locations. [2024-11-02 12:33:44,239 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:33:44,246 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;@248fa0f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:33:44,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 632 error locations. [2024-11-02 12:33:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 1275 states, 632 states have (on average 2.231012658227848) internal successors, (1410), 1268 states have internal predecessors, (1410), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:33:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-02 12:33:44,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:44,261 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-02 12:33:44,261 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] === [2024-11-02 12:33:44,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:44,267 INFO L85 PathProgramCache]: Analyzing trace with hash 47731, now seen corresponding path program 1 times [2024-11-02 12:33:44,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:33:44,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872806220] [2024-11-02 12:33:44,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:44,280 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 12:33:44,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:33:44,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:44,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:44,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:33:44,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:33:44,516 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 12:33:44,536 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 12:33:44,536 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:33:44,537 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:33:44,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872806220] [2024-11-02 12:33:44,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872806220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:44,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:44,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:44,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027921657] [2024-11-02 12:33:44,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:44,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:44,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:33:44,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:44,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:44,588 INFO L87 Difference]: Start difference. First operand has 1275 states, 632 states have (on average 2.231012658227848) internal successors, (1410), 1268 states have internal predecessors, (1410), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) 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 12:33:47,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:47,718 INFO L93 Difference]: Finished difference Result 1449 states and 1535 transitions. [2024-11-02 12:33:47,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:47,721 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 12:33:47,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:47,743 INFO L225 Difference]: With dead ends: 1449 [2024-11-02 12:33:47,743 INFO L226 Difference]: Without dead ends: 1447 [2024-11-02 12:33:47,745 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 12:33:47,749 INFO L432 NwaCegarLoop]: 776 mSDtfsCounter, 1172 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:47,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 943 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-02 12:33:47,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2024-11-02 12:33:47,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1260. [2024-11-02 12:33:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 634 states have (on average 2.080441640378549) internal successors, (1319), 1253 states have internal predecessors, (1319), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-02 12:33:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1337 transitions. [2024-11-02 12:33:47,855 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1337 transitions. Word has length 3 [2024-11-02 12:33:47,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:47,855 INFO L471 AbstractCegarLoop]: Abstraction has 1260 states and 1337 transitions. [2024-11-02 12:33:47,856 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 12:33:47,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1337 transitions. [2024-11-02 12:33:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-02 12:33:47,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:47,857 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-02 12:33:47,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:48,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:48,059 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] === [2024-11-02 12:33:48,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:48,060 INFO L85 PathProgramCache]: Analyzing trace with hash 47732, now seen corresponding path program 1 times [2024-11-02 12:33:48,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:33:48,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705289973] [2024-11-02 12:33:48,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:48,061 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 12:33:48,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:33:48,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:48,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:48,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:33:48,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:33:48,201 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 12:33:48,221 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 12:33:48,222 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:33:48,222 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:33:48,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705289973] [2024-11-02 12:33:48,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705289973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:48,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:48,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:48,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398634272] [2024-11-02 12:33:48,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:48,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:48,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:33:48,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:48,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:48,267 INFO L87 Difference]: Start difference. First operand 1260 states and 1337 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 12:33:52,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:52,772 INFO L93 Difference]: Finished difference Result 1879 states and 2009 transitions. [2024-11-02 12:33:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:33:52,772 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 12:33:52,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:52,779 INFO L225 Difference]: With dead ends: 1879 [2024-11-02 12:33:52,779 INFO L226 Difference]: Without dead ends: 1879 [2024-11-02 12:33:52,780 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 12:33:52,781 INFO L432 NwaCegarLoop]: 1041 mSDtfsCounter, 660 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:52,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 1750 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-02 12:33:52,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2024-11-02 12:33:52,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1468. [2024-11-02 12:33:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 843 states have (on average 2.0652431791221826) internal successors, (1741), 1461 states have internal predecessors, (1741), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-02 12:33:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1759 transitions. [2024-11-02 12:33:52,821 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1759 transitions. Word has length 3 [2024-11-02 12:33:52,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:52,821 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 1759 transitions. [2024-11-02 12:33:52,822 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 12:33:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1759 transitions. [2024-11-02 12:33:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-02 12:33:52,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:52,822 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:52,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:53,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:53,023 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] === [2024-11-02 12:33:53,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:53,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1130822653, now seen corresponding path program 1 times [2024-11-02 12:33:53,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:33:53,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781634923] [2024-11-02 12:33:53,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:53,025 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 12:33:53,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:33:53,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:53,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd4dcc0-d6a7-4dcf-9747-f88a2b32630e/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 12:33:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:53,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:33:53,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:33:53,228 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 12:33:53,239 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 12:33:53,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 12:33:53,352 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 12:33:53,380 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-02 12:33:53,381 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 12:33:53,421 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 12:33:53,421 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:33:53,421 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:33:53,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781634923] [2024-11-02 12:33:53,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781634923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:53,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:53,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:33:53,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944057066] [2024-11-02 12:33:53,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:53,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:33:53,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:33:53,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:33:53,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:33:53,427 INFO L87 Difference]: Start difference. First operand 1468 states and 1759 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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)