./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.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_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 9a08b66a27502bd32ab373960778294a6ce88841aa5560ae4bca712e152c143f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:33,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:33,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-02 12:23:33,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:33,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:33,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:33,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:33,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:33,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:33,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:33,437 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:33,437 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:33,438 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:33,438 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:23:33,438 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:33,439 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:33,439 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:23:33,440 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:23:33,440 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:33,440 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:23:33,441 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:23:33,441 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:23:33,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:23:33,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:23:33,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:33,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:33,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:33,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:33,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:33,445 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:23:33,445 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:23:33,446 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:23:33,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:33,447 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:23:33,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:33,447 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:23:33,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:33,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:33,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:33,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:33,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:33,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:33,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:33,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:33,450 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:23:33,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:23:33,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:33,451 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:33,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:33,451 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_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a08b66a27502bd32ab373960778294a6ce88841aa5560ae4bca712e152c143f [2024-11-02 12:23:33,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:33,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:33,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:33,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:33,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:33,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i Unable to find full path for "g++" [2024-11-02 12:23:36,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:36,410 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:36,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i [2024-11-02 12:23:36,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/data/a2911d4c8/6b16a44981104b10adf78719b2b60b73/FLAGfff9cd970 [2024-11-02 12:23:36,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/data/a2911d4c8/6b16a44981104b10adf78719b2b60b73 [2024-11-02 12:23:36,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:36,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:36,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:36,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:36,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:36,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab9d79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:36, skipping insertion in model container [2024-11-02 12:23:36,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:36" (1/1) ... [2024-11-02 12:23:36,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:37,155 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 12:23:37,207 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 12:23:37,214 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 12:23:37,223 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 12:23:37,231 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 12:23:37,287 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 12:23:37,293 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 12:23:37,297 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 12:23:37,307 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 12:23:37,352 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 12:23:37,354 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 12:23:37,359 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 12:23:37,362 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 12:23:37,364 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 12:23:37,368 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 12:23:37,370 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 12:23:37,372 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 12:23:37,373 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 12:23:37,378 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 12:23:37,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:37,410 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 12:23:37,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f4bb0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:37, skipping insertion in model container [2024-11-02 12:23:37,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:37,412 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-02 12:23:37,414 INFO L158 Benchmark]: Toolchain (without parser) took 948.03ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 69.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 12:23:37,415 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:37,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 945.62ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 69.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 12:23:37,418 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 945.62ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 69.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 757]: 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_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 9a08b66a27502bd32ab373960778294a6ce88841aa5560ae4bca712e152c143f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:39,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:39,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-02 12:23:39,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:39,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:40,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:40,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:40,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:40,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:40,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:40,042 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:40,043 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:40,043 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:40,044 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:40,044 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:40,045 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:40,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:23:40,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:23:40,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:40,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:40,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:40,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:40,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:40,049 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:23:40,050 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:23:40,050 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:23:40,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:40,051 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:23:40,055 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:23:40,056 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:40,056 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:23:40,056 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:23:40,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:40,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:40,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:40,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:23:40,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:40,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:40,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:40,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:40,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:40,061 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:23:40,062 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:23:40,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:40,063 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:40,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:40,063 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_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a08b66a27502bd32ab373960778294a6ce88841aa5560ae4bca712e152c143f [2024-11-02 12:23:40,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:40,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:40,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:40,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:40,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:40,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i Unable to find full path for "g++" [2024-11-02 12:23:42,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:43,101 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:43,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i [2024-11-02 12:23:43,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/data/e797295ec/26d8fd31cfc842adb2f7d2e3f588c6ee/FLAGbdc4893d0 [2024-11-02 12:23:43,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/data/e797295ec/26d8fd31cfc842adb2f7d2e3f588c6ee [2024-11-02 12:23:43,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:43,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:43,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:43,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:43,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:43,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:43" (1/1) ... [2024-11-02 12:23:43,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7805e952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:43, skipping insertion in model container [2024-11-02 12:23:43,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:43" (1/1) ... [2024-11-02 12:23:43,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:43,974 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 12:23:44,025 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 12:23:44,032 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 12:23:44,039 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 12:23:44,051 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 12:23:44,098 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 12:23:44,100 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 12:23:44,103 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 12:23:44,108 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 12:23:44,131 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 12:23:44,132 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 12:23:44,166 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 12:23:44,166 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 12:23:44,171 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 12:23:44,179 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 12:23:44,181 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 12:23:44,182 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 12:23:44,183 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 12:23:44,192 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 12:23:44,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:44,254 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-02 12:23:44,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:44,341 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 12:23:44,368 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 12:23:44,374 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 12:23:44,377 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 12:23:44,389 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 12:23:44,425 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 12:23:44,427 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 12:23:44,433 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 12:23:44,440 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 12:23:44,469 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 12:23:44,474 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 12:23:44,477 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 12:23:44,481 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 12:23:44,483 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 12:23:44,488 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 12:23:44,489 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 12:23:44,489 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 12:23:44,490 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 12:23:44,497 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 12:23:44,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:44,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:44,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:44,711 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:44,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44 WrapperNode [2024-11-02 12:23:44,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:44,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:44,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:44,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:44,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:44,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:44,889 INFO L138 Inliner]: procedures = 180, calls = 426, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1612 [2024-11-02 12:23:44,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:44,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:44,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:44,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:44,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:44,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:44,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:44,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:45,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:45,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:45,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:45,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:45,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:45,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:45,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:45,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:45,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (1/1) ... [2024-11-02 12:23:45,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:45,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:45,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:45,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-02 12:23:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-02 12:23:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:23:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:23:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:23:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:23:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:23:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:23:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:23:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:23:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:23:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:23:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:23:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:23:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:23:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:45,484 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:45,487 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:45,521 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-02 12:23:53,238 INFO L? ?]: Removed 1699 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:53,238 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:53,299 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:53,300 INFO L316 CfgBuilder]: Removed 92 assume(true) statements. [2024-11-02 12:23:53,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:53 BoogieIcfgContainer [2024-11-02 12:23:53,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:53,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:53,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:53,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:53,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:43" (1/3) ... [2024-11-02 12:23:53,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e32c61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:53, skipping insertion in model container [2024-11-02 12:23:53,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:44" (2/3) ... [2024-11-02 12:23:53,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e32c61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:53, skipping insertion in model container [2024-11-02 12:23:53,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:53" (3/3) ... [2024-11-02 12:23:53,312 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-2.i [2024-11-02 12:23:53,332 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:53,332 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 817 error locations. [2024-11-02 12:23:53,437 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:53,445 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;@1cfb918b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:53,447 INFO L334 AbstractCegarLoop]: Starting to check reachability of 817 error locations. [2024-11-02 12:23:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 1644 states, 816 states have (on average 2.221813725490196) internal successors, (1813), 1634 states have internal predecessors, (1813), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:23:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-02 12:23:53,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:53,487 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-02 12:23:53,488 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-02 12:23:53,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:53,493 INFO L85 PathProgramCache]: Analyzing trace with hash 45876316, now seen corresponding path program 1 times [2024-11-02 12:23:53,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:53,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143183373] [2024-11-02 12:23:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:53,508 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 12:23:53,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:53,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:23:53,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:23:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:53,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:23:53,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:53,811 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 12:23:53,832 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 12:23:53,832 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:23:53,833 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:53,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143183373] [2024-11-02 12:23:53,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143183373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:53,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:53,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:23:53,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788347855] [2024-11-02 12:23:53,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:53,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:23:53,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:23:53,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:23:53,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:23:53,885 INFO L87 Difference]: Start difference. First operand has 1644 states, 816 states have (on average 2.221813725490196) internal successors, (1813), 1634 states have internal predecessors, (1813), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 12:23:57,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:57,678 INFO L93 Difference]: Finished difference Result 1760 states and 1885 transitions. [2024-11-02 12:23:57,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:23:57,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-02 12:23:57,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:57,705 INFO L225 Difference]: With dead ends: 1760 [2024-11-02 12:23:57,706 INFO L226 Difference]: Without dead ends: 1758 [2024-11-02 12:23:57,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 12:23:57,711 INFO L432 NwaCegarLoop]: 1185 mSDtfsCounter, 1264 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:57,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 1468 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-02 12:23:57,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2024-11-02 12:23:57,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1530. [2024-11-02 12:23:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1530 states, 806 states have (on average 1.9838709677419355) internal successors, (1599), 1520 states have internal predecessors, (1599), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:23:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 1623 transitions. [2024-11-02 12:23:57,861 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 1623 transitions. Word has length 5 [2024-11-02 12:23:57,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:57,862 INFO L471 AbstractCegarLoop]: Abstraction has 1530 states and 1623 transitions. [2024-11-02 12:23:57,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 12:23:57,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1623 transitions. [2024-11-02 12:23:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-02 12:23:57,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:57,863 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-02 12:23:57,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:23:58,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:23:58,066 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-02 12:23:58,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:58,067 INFO L85 PathProgramCache]: Analyzing trace with hash 45876317, now seen corresponding path program 1 times [2024-11-02 12:23:58,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:58,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772493477] [2024-11-02 12:23:58,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:58,068 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 12:23:58,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:58,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:23:58,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:23:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:58,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:23:58,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:58,273 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 12:23:58,296 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 12:23:58,296 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:23:58,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:58,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772493477] [2024-11-02 12:23:58,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772493477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:58,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:58,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:23:58,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552106604] [2024-11-02 12:23:58,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:58,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:23:58,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:23:58,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:23:58,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:23:58,301 INFO L87 Difference]: Start difference. First operand 1530 states and 1623 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 12:24:03,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:03,852 INFO L93 Difference]: Finished difference Result 2076 states and 2220 transitions. [2024-11-02 12:24:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:24:03,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-02 12:24:03,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:03,861 INFO L225 Difference]: With dead ends: 2076 [2024-11-02 12:24:03,862 INFO L226 Difference]: Without dead ends: 2076 [2024-11-02 12:24:03,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 12:24:03,866 INFO L432 NwaCegarLoop]: 1545 mSDtfsCounter, 768 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:03,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 2256 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-02 12:24:03,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2024-11-02 12:24:03,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1697. [2024-11-02 12:24:03,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 983 states have (on average 1.9521871820956256) internal successors, (1919), 1687 states have internal predecessors, (1919), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:24:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 1943 transitions. [2024-11-02 12:24:03,976 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 1943 transitions. Word has length 5 [2024-11-02 12:24:03,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:03,977 INFO L471 AbstractCegarLoop]: Abstraction has 1697 states and 1943 transitions. [2024-11-02 12:24:03,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 12:24:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 1943 transitions. [2024-11-02 12:24:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-02 12:24:03,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:03,984 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-02 12:24:03,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:04,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:04,187 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr620REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-02 12:24:04,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:04,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1423825295, now seen corresponding path program 1 times [2024-11-02 12:24:04,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:04,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087274026] [2024-11-02 12:24:04,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:04,188 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 12:24:04,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:04,207 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:04,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:04,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 12:24:04,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:04,446 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 12:24:04,446 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:24:04,447 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:04,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087274026] [2024-11-02 12:24:04,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087274026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:04,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:04,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:24:04,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899804391] [2024-11-02 12:24:04,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:04,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:24:04,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:24:04,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:24:04,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:24:04,451 INFO L87 Difference]: Start difference. First operand 1697 states and 1943 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:24:04,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:04,613 INFO L93 Difference]: Finished difference Result 3174 states and 3655 transitions. [2024-11-02 12:24:04,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:24:04,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-02 12:24:04,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:04,628 INFO L225 Difference]: With dead ends: 3174 [2024-11-02 12:24:04,628 INFO L226 Difference]: Without dead ends: 3174 [2024-11-02 12:24:04,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 12:24:04,630 INFO L432 NwaCegarLoop]: 1879 mSDtfsCounter, 1357 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 3482 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:04,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 3482 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:24:04,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2024-11-02 12:24:04,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 1699. [2024-11-02 12:24:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 985 states have (on average 1.950253807106599) internal successors, (1921), 1689 states have internal predecessors, (1921), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:24:04,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 1945 transitions. [2024-11-02 12:24:04,685 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 1945 transitions. Word has length 6 [2024-11-02 12:24:04,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:04,685 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 1945 transitions. [2024-11-02 12:24:04,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:24:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 1945 transitions. [2024-11-02 12:24:04,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-02 12:24:04,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:04,686 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:04,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:24:04,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:04,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-02 12:24:04,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:04,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1344610650, now seen corresponding path program 1 times [2024-11-02 12:24:04,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:04,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201029891] [2024-11-02 12:24:04,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:04,893 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 12:24:04,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:04,897 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:04,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:05,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 12:24:05,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:05,149 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 12:24:05,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:24:05,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:05,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201029891] [2024-11-02 12:24:05,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201029891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:05,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:05,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:24:05,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726030902] [2024-11-02 12:24:05,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:05,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:24:05,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:24:05,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:24:05,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:24:05,155 INFO L87 Difference]: Start difference. First operand 1699 states and 1945 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12:24:05,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:05,214 INFO L93 Difference]: Finished difference Result 1657 states and 1902 transitions. [2024-11-02 12:24:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:24:05,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2024-11-02 12:24:05,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:05,220 INFO L225 Difference]: With dead ends: 1657 [2024-11-02 12:24:05,220 INFO L226 Difference]: Without dead ends: 1657 [2024-11-02 12:24:05,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 12:24:05,222 INFO L432 NwaCegarLoop]: 1558 mSDtfsCounter, 71 mSDsluCounter, 1495 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:05,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 3053 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:24:05,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2024-11-02 12:24:05,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1657. [2024-11-02 12:24:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1657 states, 967 states have (on average 1.9420889348500516) internal successors, (1878), 1647 states have internal predecessors, (1878), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:24:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 1902 transitions. [2024-11-02 12:24:05,258 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 1902 transitions. Word has length 11 [2024-11-02 12:24:05,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:05,259 INFO L471 AbstractCegarLoop]: Abstraction has 1657 states and 1902 transitions. [2024-11-02 12:24:05,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12:24:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1902 transitions. [2024-11-02 12:24:05,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 12:24:05,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:05,260 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:05,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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)] Ended with exit code 0 [2024-11-02 12:24:05,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:05,461 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-02 12:24:05,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:05,462 INFO L85 PathProgramCache]: Analyzing trace with hash 614317568, now seen corresponding path program 1 times [2024-11-02 12:24:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:05,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687027369] [2024-11-02 12:24:05,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:05,462 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 12:24:05,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:05,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:05,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 (6)] Waiting until timeout for monitored process [2024-11-02 12:24:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:05,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:24:05,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:05,734 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 12:24:05,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:24:05,735 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:05,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687027369] [2024-11-02 12:24:05,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687027369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:05,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:05,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:24:05,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420647349] [2024-11-02 12:24:05,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:05,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:24:05,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:24:05,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:24:05,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:24:05,737 INFO L87 Difference]: Start difference. First operand 1657 states and 1902 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 12:24:05,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:05,884 INFO L93 Difference]: Finished difference Result 1635 states and 1873 transitions. [2024-11-02 12:24:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:24:05,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-02 12:24:05,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:05,892 INFO L225 Difference]: With dead ends: 1635 [2024-11-02 12:24:05,892 INFO L226 Difference]: Without dead ends: 1635 [2024-11-02 12:24:05,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:24:05,894 INFO L432 NwaCegarLoop]: 1513 mSDtfsCounter, 48 mSDsluCounter, 3000 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4513 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:05,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4513 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:24:05,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2024-11-02 12:24:05,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1635. [2024-11-02 12:24:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 959 states have (on average 1.9280500521376434) internal successors, (1849), 1625 states have internal predecessors, (1849), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:24:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1873 transitions. [2024-11-02 12:24:05,933 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1873 transitions. Word has length 13 [2024-11-02 12:24:05,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:05,934 INFO L471 AbstractCegarLoop]: Abstraction has 1635 states and 1873 transitions. [2024-11-02 12:24:05,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 12:24:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1873 transitions. [2024-11-02 12:24:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-02 12:24:05,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:05,936 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:05,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 (6)] Ended with exit code 0 [2024-11-02 12:24:06,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:06,140 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 814 more)] === [2024-11-02 12:24:06,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:06,140 INFO L85 PathProgramCache]: Analyzing trace with hash -957630610, now seen corresponding path program 1 times [2024-11-02 12:24:06,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:06,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916385267] [2024-11-02 12:24:06,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:06,141 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 12:24:06,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:06,142 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 12:24:06,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7baf117-7a8e-48e3-a0e2-ef11c1eea859/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 (7)] Waiting until timeout for monitored process [2024-11-02 12:24:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:06,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:24:06,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:06,359 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 12:24:06,510 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 12:24:06,511 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:24:06,511 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916385267] [2024-11-02 12:24:06,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1916385267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:06,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:06,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:24:06,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163239770] [2024-11-02 12:24:06,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:06,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:24:06,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:24:06,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:24:06,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:24:06,514 INFO L87 Difference]: Start difference. First operand 1635 states and 1873 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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)