./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:10:49,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:10:49,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-14 04:10:49,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:10:49,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:10:49,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:10:49,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:10:49,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:10:49,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:10:49,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:10:49,692 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:10:49,692 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:10:49,692 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:10:49,692 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:10:49,692 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:10:49,692 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:10:49,692 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:10:49,692 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:10:49,693 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:10:49,693 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:10:49,693 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:10:49,693 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:10:49,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 04:10:49,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 04:10:49,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:10:49,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:10:49,695 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:10:49,695 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:10:49,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:10:49,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:10:49,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:10:49,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:10:49,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:10:49,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:10:49,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:10:49,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:10:49,697 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:10:49,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:10:49,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:10:49,698 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:10:49,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:10:49,699 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E 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-memcleanup) ) 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 -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-14 04:10:50,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:10:50,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:10:50,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:10:50,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:10:50,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:10:50,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i Unable to find full path for "g++" [2024-11-14 04:10:51,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:10:52,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:10:52,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i [2024-11-14 04:10:52,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/data/ff7f4af6f/c88d4e5d05b2422e9ee16269a1023f02/FLAG034fde4b0 [2024-11-14 04:10:52,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/data/ff7f4af6f/c88d4e5d05b2422e9ee16269a1023f02 [2024-11-14 04:10:52,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:10:52,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:10:52,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:10:52,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:10:52,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:10:52,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:10:52" (1/1) ... [2024-11-14 04:10:52,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18018b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:52, skipping insertion in model container [2024-11-14 04:10:52,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:10:52" (1/1) ... [2024-11-14 04:10:52,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:10:53,027 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,077 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,085 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,089 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,097 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,112 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,114 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,116 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,119 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,120 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,121 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,126 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:53,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:10:53,147 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) [2024-11-14 04:10:53,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ddf1cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:53, skipping insertion in model container [2024-11-14 04:10:53,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:10:53,148 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-14 04:10:53,150 INFO L158 Benchmark]: Toolchain (without parser) took 637.28ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 72.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:10:53,150 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:10:53,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.41ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 72.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:10:53,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.41ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 72.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 753]: 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:10:55,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:10:55,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2024-11-14 04:10:55,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:10:55,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:10:55,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:10:55,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:10:55,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:10:56,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:10:56,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:10:56,001 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:10:56,001 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:10:56,001 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:10:56,001 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:10:56,002 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:10:56,003 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:10:56,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 04:10:56,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 04:10:56,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:10:56,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:10:56,004 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:10:56,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:10:56,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:10:56,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:10:56,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:10:56,004 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 04:10:56,005 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 04:10:56,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:10:56,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:10:56,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:10:56,005 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:10:56,005 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:10:56,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:10:56,006 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:10:56,006 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:10:56,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:10:56,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:10:56,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:10:56,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:10:56,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:10:56,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:10:56,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:10:56,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:10:56,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:10:56,008 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:10:56,008 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:10:56,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:10:56,008 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:10:56,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E 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-memcleanup) ) 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 -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-14 04:10:56,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:10:56,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:10:56,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:10:56,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:10:56,319 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:10:56,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i Unable to find full path for "g++" [2024-11-14 04:10:58,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:10:58,741 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:10:58,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test1-2.i [2024-11-14 04:10:58,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/data/2cb9e3bf7/f5a8dac8de3c40508e9833140fe560da/FLAGb70fadb5d [2024-11-14 04:10:58,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/data/2cb9e3bf7/f5a8dac8de3c40508e9833140fe560da [2024-11-14 04:10:58,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:10:58,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:10:58,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:10:58,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:10:58,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:10:58,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:10:58" (1/1) ... [2024-11-14 04:10:58,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c407f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:58, skipping insertion in model container [2024-11-14 04:10:58,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:10:58" (1/1) ... [2024-11-14 04:10:58,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:10:59,407 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,468 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,479 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,485 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,502 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,537 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,545 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,555 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,561 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,565 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,567 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,579 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:10:59,627 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-14 04:10:59,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:10:59,693 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,717 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,719 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,726 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,733 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,748 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,749 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,752 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,753 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,754 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,755 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,760 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:10:59,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:10:59,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:10:59,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:10:59,950 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:10:59,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59 WrapperNode [2024-11-14 04:10:59,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:10:59,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:10:59,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:10:59,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:10:59,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:10:59,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,030 INFO L138 Inliner]: procedures = 179, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 724 [2024-11-14 04:11:00,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:11:00,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:11:00,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:11:00,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:11:00,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:11:00,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:11:00,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:11:00,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:11:00,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (1/1) ... [2024-11-14 04:11:00,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:11:00,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:11:00,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:11:00,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:11:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 04:11:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 04:11:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:11:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:11:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:11:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:11:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:11:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:11:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:11:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 04:11:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:11:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:11:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:11:00,423 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:11:00,425 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:11:06,907 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-14 04:11:06,907 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:11:06,923 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:11:06,924 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-14 04:11:06,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:11:06 BoogieIcfgContainer [2024-11-14 04:11:06,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:11:06,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:11:06,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:11:06,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:11:06,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:10:58" (1/3) ... [2024-11-14 04:11:06,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e6ac69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:11:06, skipping insertion in model container [2024-11-14 04:11:06,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:59" (2/3) ... [2024-11-14 04:11:06,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e6ac69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:11:06, skipping insertion in model container [2024-11-14 04:11:06,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:11:06" (3/3) ... [2024-11-14 04:11:06,938 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test1-2.i [2024-11-14 04:11:06,956 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:11:06,957 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_nondet_test1-2.i that has 2 procedures, 138 locations, 1 initial locations, 24 loop locations, and 2 error locations. [2024-11-14 04:11:07,012 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:11:07,029 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;@54261725, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:11:07,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:11:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:11:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:11:07,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:07,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:07,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:07,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:07,050 INFO L85 PathProgramCache]: Analyzing trace with hash -2140965641, now seen corresponding path program 1 times [2024-11-14 04:11:07,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:07,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2101740084] [2024-11-14 04:11:07,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:07,063 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 [2024-11-14 04:11:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:07,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:07,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:07,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:11:07,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:07,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:07,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:11:07,295 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:11:07,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2101740084] [2024-11-14 04:11:07,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2101740084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:07,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:07,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:11:07,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710837294] [2024-11-14 04:11:07,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:07,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:11:07,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:11:07,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:11:07,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:07,330 INFO L87 Difference]: Start difference. First operand has 138 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:07,571 INFO L93 Difference]: Finished difference Result 226 states and 290 transitions. [2024-11-14 04:11:07,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:11:07,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-14 04:11:07,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:07,581 INFO L225 Difference]: With dead ends: 226 [2024-11-14 04:11:07,581 INFO L226 Difference]: Without dead ends: 224 [2024-11-14 04:11:07,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:07,587 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 108 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:07,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 368 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:11:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-14 04:11:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 136. [2024-11-14 04:11:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 130 states have (on average 1.2923076923076924) internal successors, (168), 131 states have internal predecessors, (168), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:11:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 174 transitions. [2024-11-14 04:11:07,642 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 174 transitions. Word has length 9 [2024-11-14 04:11:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:07,642 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 174 transitions. [2024-11-14 04:11:07,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 174 transitions. [2024-11-14 04:11:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 04:11:07,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:07,645 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:07,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:07,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:07,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:07,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:07,848 INFO L85 PathProgramCache]: Analyzing trace with hash -880060569, now seen corresponding path program 1 times [2024-11-14 04:11:07,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:07,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745900286] [2024-11-14 04:11:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:07,851 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 [2024-11-14 04:11:07,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:07,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:07,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:08,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:11:08,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:08,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:11:08,486 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:11:08,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745900286] [2024-11-14 04:11:08,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745900286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:08,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:08,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:11:08,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222466244] [2024-11-14 04:11:08,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:08,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:11:08,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:11:08,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:11:08,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:11:08,489 INFO L87 Difference]: Start difference. First operand 136 states and 174 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-11-14 04:11:08,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:08,667 INFO L93 Difference]: Finished difference Result 139 states and 169 transitions. [2024-11-14 04:11:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:11:08,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 64 [2024-11-14 04:11:08,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:08,673 INFO L225 Difference]: With dead ends: 139 [2024-11-14 04:11:08,673 INFO L226 Difference]: Without dead ends: 139 [2024-11-14 04:11:08,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:11:08,674 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 33 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:08,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 408 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:11:08,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-14 04:11:08,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-14 04:11:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 134 states have internal predecessors, (163), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:11:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 169 transitions. [2024-11-14 04:11:08,693 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 169 transitions. Word has length 64 [2024-11-14 04:11:08,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:08,693 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 169 transitions. [2024-11-14 04:11:08,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-11-14 04:11:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 169 transitions. [2024-11-14 04:11:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 04:11:08,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:08,696 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:08,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:08,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:08,900 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:08,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash -590695, now seen corresponding path program 1 times [2024-11-14 04:11:08,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:08,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433732598] [2024-11-14 04:11:08,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:08,901 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 [2024-11-14 04:11:08,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:08,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:08,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:09,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:11:09,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:09,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:11:09,455 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:11:09,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433732598] [2024-11-14 04:11:09,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433732598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:09,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:09,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:11:09,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6670359] [2024-11-14 04:11:09,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:09,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:11:09,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:11:09,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:11:09,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:11:09,457 INFO L87 Difference]: Start difference. First operand 139 states and 169 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-11-14 04:11:09,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:09,574 INFO L93 Difference]: Finished difference Result 133 states and 159 transitions. [2024-11-14 04:11:09,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:11:09,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 64 [2024-11-14 04:11:09,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:09,575 INFO L225 Difference]: With dead ends: 133 [2024-11-14 04:11:09,575 INFO L226 Difference]: Without dead ends: 133 [2024-11-14 04:11:09,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:11:09,576 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 4 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:09,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 407 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:11:09,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-14 04:11:09,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-14 04:11:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 127 states have (on average 1.204724409448819) internal successors, (153), 128 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:11:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2024-11-14 04:11:09,590 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 64 [2024-11-14 04:11:09,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:09,590 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2024-11-14 04:11:09,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-11-14 04:11:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2024-11-14 04:11:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 04:11:09,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:09,592 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:09,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 04:11:09,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:09,797 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:09,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:09,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1657207907, now seen corresponding path program 1 times [2024-11-14 04:11:09,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:09,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094420687] [2024-11-14 04:11:09,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:09,799 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 [2024-11-14 04:11:09,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:09,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:09,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:10,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:11:10,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:10,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:10,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:11:10,663 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:11:10,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094420687] [2024-11-14 04:11:10,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094420687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:10,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:10,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:11:10,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457339124] [2024-11-14 04:11:10,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:10,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:11:10,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:11:10,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:11:10,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:10,666 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-11-14 04:11:11,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:11,325 INFO L93 Difference]: Finished difference Result 199 states and 234 transitions. [2024-11-14 04:11:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:11:11,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2024-11-14 04:11:11,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:11,331 INFO L225 Difference]: With dead ends: 199 [2024-11-14 04:11:11,331 INFO L226 Difference]: Without dead ends: 199 [2024-11-14 04:11:11,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:11,332 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 37 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:11,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 319 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 04:11:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-14 04:11:11,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 169. [2024-11-14 04:11:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 163 states have (on average 1.1595092024539877) internal successors, (189), 164 states have internal predecessors, (189), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:11:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 195 transitions. [2024-11-14 04:11:11,347 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 195 transitions. Word has length 64 [2024-11-14 04:11:11,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:11,348 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 195 transitions. [2024-11-14 04:11:11,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-11-14 04:11:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 195 transitions. [2024-11-14 04:11:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-14 04:11:11,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:11,354 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:11,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:11:11,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:11,554 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:11,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:11,555 INFO L85 PathProgramCache]: Analyzing trace with hash -108015237, now seen corresponding path program 1 times [2024-11-14 04:11:11,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:11,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128588673] [2024-11-14 04:11:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:11,558 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 [2024-11-14 04:11:11,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:11,560 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:11,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:12,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:11:12,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:12,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:11:12,165 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:11:12,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128588673] [2024-11-14 04:11:12,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128588673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:12,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:12,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:11:12,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866928709] [2024-11-14 04:11:12,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:12,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:11:12,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:11:12,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:11:12,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:11:12,168 INFO L87 Difference]: Start difference. First operand 169 states and 195 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:11:12,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:12,219 INFO L93 Difference]: Finished difference Result 172 states and 199 transitions. [2024-11-14 04:11:12,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:11:12,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 79 [2024-11-14 04:11:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:12,222 INFO L225 Difference]: With dead ends: 172 [2024-11-14 04:11:12,222 INFO L226 Difference]: Without dead ends: 172 [2024-11-14 04:11:12,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:11:12,223 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:12,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 461 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:11:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-14 04:11:12,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-14 04:11:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 165 states have (on average 1.1636363636363636) internal successors, (192), 167 states have internal predecessors, (192), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-14 04:11:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 199 transitions. [2024-11-14 04:11:12,232 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 199 transitions. Word has length 79 [2024-11-14 04:11:12,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:12,232 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 199 transitions. [2024-11-14 04:11:12,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:11:12,232 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 199 transitions. [2024-11-14 04:11:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-14 04:11:12,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:12,234 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:12,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:12,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:12,438 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:12,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:12,438 INFO L85 PathProgramCache]: Analyzing trace with hash -57741671, now seen corresponding path program 1 times [2024-11-14 04:11:12,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:12,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881823185] [2024-11-14 04:11:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:12,439 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 [2024-11-14 04:11:12,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:12,441 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:12,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:11:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:12,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:11:12,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:11:13,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:13,163 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:11:13,164 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:11:13,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881823185] [2024-11-14 04:11:13,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881823185] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:13,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1398935300] [2024-11-14 04:11:13,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:13,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:11:13,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:11:13,170 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:11:13,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 04:11:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:13,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:11:13,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:11:14,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:11:14,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1398935300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:14,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:11:14,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 10 [2024-11-14 04:11:14,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111554390] [2024-11-14 04:11:14,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:14,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:11:14,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:11:14,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:11:14,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:11:14,143 INFO L87 Difference]: Start difference. First operand 172 states and 199 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:11:16,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:11:18,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:11:20,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:20,342 INFO L93 Difference]: Finished difference Result 243 states and 289 transitions. [2024-11-14 04:11:20,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:11:20,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2024-11-14 04:11:20,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:20,346 INFO L225 Difference]: With dead ends: 243 [2024-11-14 04:11:20,346 INFO L226 Difference]: Without dead ends: 243 [2024-11-14 04:11:20,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:11:20,347 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 251 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:20,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 299 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 87 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2024-11-14 04:11:20,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-14 04:11:20,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 174. [2024-11-14 04:11:20,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 167 states have (on average 1.1497005988023952) internal successors, (192), 169 states have internal predecessors, (192), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-14 04:11:20,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 199 transitions. [2024-11-14 04:11:20,364 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 199 transitions. Word has length 81 [2024-11-14 04:11:20,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:20,365 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 199 transitions. [2024-11-14 04:11:20,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:11:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 199 transitions. [2024-11-14 04:11:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-14 04:11:20,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:20,370 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:20,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 04:11:20,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-14 04:11:20,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:11:20,771 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:20,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:20,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1738368443, now seen corresponding path program 1 times [2024-11-14 04:11:20,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:20,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993612532] [2024-11-14 04:11:20,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:20,772 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 [2024-11-14 04:11:20,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:20,774 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:20,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 (9)] Waiting until timeout for monitored process [2024-11-14 04:11:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:21,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:11:21,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:11:21,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:11:21,466 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:11:21,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993612532] [2024-11-14 04:11:21,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993612532] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:21,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1548857318] [2024-11-14 04:11:21,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:21,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:11:21,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:11:21,471 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:11:21,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 04:11:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:22,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:11:22,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:22,371 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:11:22,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:11:22,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1548857318] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:22,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294547979] [2024-11-14 04:11:22,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:22,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:11:22,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:11:22,450 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:11:22,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 04:11:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:22,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:11:22,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 04:11:23,285 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 04:11:23,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294547979] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:23,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:11:23,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 4, 4] total 12 [2024-11-14 04:11:23,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67450628] [2024-11-14 04:11:23,626 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:11:23,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:11:23,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:11:23,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:11:23,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-14 04:11:23,629 INFO L87 Difference]: Start difference. First operand 174 states and 199 transitions. Second operand has 12 states, 12 states have (on average 17.5) internal successors, (210), 12 states have internal predecessors, (210), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-14 04:11:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:24,879 INFO L93 Difference]: Finished difference Result 378 states and 447 transitions. [2024-11-14 04:11:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 04:11:24,880 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 17.5) internal successors, (210), 12 states have internal predecessors, (210), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 82 [2024-11-14 04:11:24,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:24,882 INFO L225 Difference]: With dead ends: 378 [2024-11-14 04:11:24,882 INFO L226 Difference]: Without dead ends: 378 [2024-11-14 04:11:24,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-14 04:11:24,884 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 329 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1508 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:24,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 1508 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 04:11:24,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-14 04:11:24,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 376. [2024-11-14 04:11:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 365 states have (on average 1.167123287671233) internal successors, (426), 367 states have internal predecessors, (426), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-14 04:11:24,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 442 transitions. [2024-11-14 04:11:24,899 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 442 transitions. Word has length 82 [2024-11-14 04:11:24,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:24,899 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 442 transitions. [2024-11-14 04:11:24,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.5) internal successors, (210), 12 states have internal predecessors, (210), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-14 04:11:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 442 transitions. [2024-11-14 04:11:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-14 04:11:24,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:24,904 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:24,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 (9)] Forceful destruction successful, exit code 0 [2024-11-14 04:11:25,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-14 04:11:25,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 04:11:25,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:11:25,505 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:25,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:25,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1344201413, now seen corresponding path program 1 times [2024-11-14 04:11:25,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:25,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665117138] [2024-11-14 04:11:25,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:25,507 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 [2024-11-14 04:11:25,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:25,510 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:25,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 (12)] Waiting until timeout for monitored process [2024-11-14 04:11:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:26,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:11:26,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 130 proven. 10 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-14 04:11:26,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 112 proven. 27 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-14 04:11:27,107 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:11:27,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665117138] [2024-11-14 04:11:27,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1665117138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:27,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2083086855] [2024-11-14 04:11:27,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:27,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:11:27,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:11:27,110 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:11:27,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-14 04:11:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:29,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:11:29,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 130 proven. 10 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-14 04:11:29,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 112 proven. 27 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-14 04:11:29,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2083086855] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:29,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820537] [2024-11-14 04:11:29,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:29,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:11:29,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:11:29,177 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:11:29,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-14 04:11:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:30,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:11:30,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-14 04:11:30,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-14 04:11:30,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820537] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:30,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:11:30,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 6, 6] total 20 [2024-11-14 04:11:30,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882584898] [2024-11-14 04:11:30,682 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:11:30,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-14 04:11:30,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:11:30,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-14 04:11:30,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:11:30,684 INFO L87 Difference]: Start difference. First operand 376 states and 442 transitions. Second operand has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 2 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 04:11:31,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:31,780 INFO L93 Difference]: Finished difference Result 398 states and 479 transitions. [2024-11-14 04:11:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-14 04:11:31,781 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 2 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 251 [2024-11-14 04:11:31,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:31,784 INFO L225 Difference]: With dead ends: 398 [2024-11-14 04:11:31,784 INFO L226 Difference]: Without dead ends: 392 [2024-11-14 04:11:31,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1519 GetRequests, 1482 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=403, Invalid=1079, Unknown=0, NotChecked=0, Total=1482 [2024-11-14 04:11:31,786 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 22 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1949 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:31,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1949 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 04:11:31,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-14 04:11:31,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 388. [2024-11-14 04:11:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 377 states have (on average 1.1724137931034482) internal successors, (442), 379 states have internal predecessors, (442), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-14 04:11:31,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 458 transitions. [2024-11-14 04:11:31,801 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 458 transitions. Word has length 251 [2024-11-14 04:11:31,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:31,801 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 458 transitions. [2024-11-14 04:11:31,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 2 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 04:11:31,802 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 458 transitions. [2024-11-14 04:11:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-14 04:11:31,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:31,806 INFO L215 NwaCegarLoop]: trace histogram [18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:31,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-14 04:11:32,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 (12)] Ended with exit code 0 [2024-11-14 04:11:32,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-14 04:11:32,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:11:32,407 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:32,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:32,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1815817467, now seen corresponding path program 2 times [2024-11-14 04:11:32,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:32,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497179214] [2024-11-14 04:11:32,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:11:32,409 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 [2024-11-14 04:11:32,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:32,413 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:32,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 (15)] Waiting until timeout for monitored process [2024-11-14 04:11:33,633 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:11:33,633 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:11:33,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 04:11:33,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 214 proven. 55 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-14 04:11:34,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 112 proven. 156 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-14 04:11:34,864 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:11:34,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1497179214] [2024-11-14 04:11:34,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1497179214] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:34,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1615015150] [2024-11-14 04:11:34,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:11:34,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:11:34,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:11:34,867 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:11:34,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-14 04:11:36,924 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:11:36,924 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:11:36,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 04:11:36,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 214 proven. 55 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-14 04:11:37,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 112 proven. 156 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-14 04:11:37,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1615015150] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:37,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687995856] [2024-11-14 04:11:37,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:11:37,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:11:37,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:11:37,239 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:11:37,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-14 04:11:38,369 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:11:38,369 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:11:38,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:11:38,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:11:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-14 04:11:39,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:11:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-14 04:11:40,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687995856] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:11:40,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:11:40,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14, 14, 7, 7] total 36 [2024-11-14 04:11:40,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929946860] [2024-11-14 04:11:40,608 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:11:40,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-14 04:11:40,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:11:40,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-14 04:11:40,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1022, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 04:11:40,613 INFO L87 Difference]: Start difference. First operand 388 states and 458 transitions. Second operand has 36 states, 36 states have (on average 16.583333333333332) internal successors, (597), 36 states have internal predecessors, (597), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-14 04:11:50,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:50,251 INFO L93 Difference]: Finished difference Result 871 states and 1035 transitions. [2024-11-14 04:11:50,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-14 04:11:50,252 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 16.583333333333332) internal successors, (597), 36 states have internal predecessors, (597), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 263 [2024-11-14 04:11:50,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:50,259 INFO L225 Difference]: With dead ends: 871 [2024-11-14 04:11:50,259 INFO L226 Difference]: Without dead ends: 867 [2024-11-14 04:11:50,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1601 GetRequests, 1542 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=821, Invalid=2839, Unknown=0, NotChecked=0, Total=3660 [2024-11-14 04:11:50,261 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 1011 mSDsluCounter, 8297 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 8781 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:50,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 8781 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-11-14 04:11:50,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2024-11-14 04:11:50,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 865. [2024-11-14 04:11:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 848 states have (on average 1.150943396226415) internal successors, (976), 850 states have internal predecessors, (976), 12 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (22), 12 states have call predecessors, (22), 12 states have call successors, (22) [2024-11-14 04:11:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1010 transitions. [2024-11-14 04:11:50,295 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1010 transitions. Word has length 263 [2024-11-14 04:11:50,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:50,295 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1010 transitions. [2024-11-14 04:11:50,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 16.583333333333332) internal successors, (597), 36 states have internal predecessors, (597), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-14 04:11:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1010 transitions. [2024-11-14 04:11:50,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2024-11-14 04:11:50,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:50,311 INFO L215 NwaCegarLoop]: trace histogram [33, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:50,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 (15)] Ended with exit code 0 [2024-11-14 04:11:50,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-14 04:11:50,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-14 04:11:50,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:11:50,912 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:11:50,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:50,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1182449535, now seen corresponding path program 3 times [2024-11-14 04:11:50,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:11:50,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355465607] [2024-11-14 04:11:50,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:11:50,914 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 [2024-11-14 04:11:50,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:11:50,916 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:11:50,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7b9680-6cee-44cd-bbd6-787d9f711568/bin/utaipan-verify-sOmjnqqW8E/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 (18)] Waiting until timeout for monitored process