./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:14,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:14,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-25 00:10:14,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:14,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:14,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:14,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:14,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:14,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:14,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:14,285 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:14,286 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:14,286 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:14,288 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:10:14,288 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:14,289 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:14,289 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:10:14,290 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:10:14,290 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:14,290 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:10:14,291 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:10:14,291 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:10:14,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-25 00:10:14,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-25 00:10:14,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:14,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:10:14,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:10:14,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:10:14,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:14,296 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-25 00:10:14,297 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-25 00:10:14,298 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-25 00:10:14,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:14,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:10:14,298 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:10:14,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:10:14,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:14,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:14,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:14,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:14,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:14,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:14,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:14,301 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:10:14,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:10:14,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:14,302 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:14,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:14,303 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2023-11-25 00:10:14,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:14,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:14,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:14,671 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:14,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:14,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-11-25 00:10:17,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:18,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:18,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-11-25 00:10:18,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/data/18f5b10e5/036f0c7ce8e045bcb22fb646984d2718/FLAG4b2cc4a0c [2023-11-25 00:10:18,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/data/18f5b10e5/036f0c7ce8e045bcb22fb646984d2718 [2023-11-25 00:10:18,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:18,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:18,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:18,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:18,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:18,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:18" (1/1) ... [2023-11-25 00:10:18,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b8d0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:18, skipping insertion in model container [2023-11-25 00:10:18,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:18" (1/1) ... [2023-11-25 00:10:18,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:19,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:19,681 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-25 00:10:19,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@666f919d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:19, skipping insertion in model container [2023-11-25 00:10:19,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:19,682 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:10:19,685 INFO L158 Benchmark]: Toolchain (without parser) took 1246.32ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 78.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-25 00:10:19,686 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory was 108.2MB in the beginning and 108.1MB in the end (delta: 92.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:10:19,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1241.28ms. Allocated memory is still 140.5MB. Free memory was 98.2MB in the beginning and 78.1MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-25 00:10:19,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory was 108.2MB in the beginning and 108.1MB in the end (delta: 92.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1241.28ms. Allocated memory is still 140.5MB. Free memory was 98.2MB in the beginning and 78.1MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1514]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:22,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:22,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-25 00:10:22,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:22,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:22,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:22,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:22,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:22,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:22,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:22,736 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:22,736 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:22,737 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:22,739 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:22,740 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:22,740 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:22,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-25 00:10:22,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-25 00:10:22,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:22,743 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:10:22,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:10:22,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:10:22,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:22,745 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-25 00:10:22,746 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-25 00:10:22,746 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-25 00:10:22,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:22,747 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:10:22,748 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:10:22,748 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:10:22,750 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:10:22,751 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:10:22,751 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:22,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:22,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:10:22,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:22,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:22,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:22,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:22,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:22,754 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:10:22,755 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:10:22,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:22,755 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:22,756 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:22,756 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2023-11-25 00:10:23,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:23,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:23,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:23,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:23,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:23,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-11-25 00:10:26,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:27,367 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:27,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-11-25 00:10:27,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/data/1086c5cb9/9a8e1a11dfe54d78821af839cf4cb560/FLAG2506287b4 [2023-11-25 00:10:27,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/data/1086c5cb9/9a8e1a11dfe54d78821af839cf4cb560 [2023-11-25 00:10:27,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:27,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:27,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:27,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:27,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:27,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:27" (1/1) ... [2023-11-25 00:10:27,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b36965f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:27, skipping insertion in model container [2023-11-25 00:10:27,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:27" (1/1) ... [2023-11-25 00:10:27,552 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:28,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:28,556 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-25 00:10:28,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:28,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:28,681 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:10:28,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:28,949 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:10:28,958 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:10:28,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28 WrapperNode [2023-11-25 00:10:28,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:28,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:28,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:10:28,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:10:28,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,153 INFO L138 Inliner]: procedures = 432, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 485 [2023-11-25 00:10:29,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:29,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:10:29,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:10:29,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:10:29,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:10:29,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:10:29,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:10:29,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:10:29,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (1/1) ... [2023-11-25 00:10:29,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:29,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:29,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:10:29,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:10:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2023-11-25 00:10:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2023-11-25 00:10:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:10:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:10:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-25 00:10:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:10:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-25 00:10:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:10:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:10:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:10:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:10:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-25 00:10:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:10:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:10:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2023-11-25 00:10:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2023-11-25 00:10:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-25 00:10:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-25 00:10:29,395 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-25 00:10:29,670 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:10:29,673 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:10:32,141 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:10:32,636 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:10:32,637 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-25 00:10:32,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:32 BoogieIcfgContainer [2023-11-25 00:10:32,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:10:32,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:10:32,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:10:32,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:10:32,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:10:27" (1/3) ... [2023-11-25 00:10:32,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537ee8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:32, skipping insertion in model container [2023-11-25 00:10:32,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:28" (2/3) ... [2023-11-25 00:10:32,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537ee8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:32, skipping insertion in model container [2023-11-25 00:10:32,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:32" (3/3) ... [2023-11-25 00:10:32,654 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2023-11-25 00:10:32,681 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:10:32,682 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2023-11-25 00:10:32,682 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-25 00:10:33,013 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-25 00:10:33,079 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 338 places, 374 transitions, 768 flow [2023-11-25 00:10:59,635 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 792825 states, 686533 states have (on average 3.7965749643498565) internal successors, (2606474), 792824 states have internal predecessors, (2606474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:10:59,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:10:59,697 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b415e4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:10:59,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 247 error locations. [2023-11-25 00:11:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 792825 states, 686533 states have (on average 3.7965749643498565) internal successors, (2606474), 792824 states have internal predecessors, (2606474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:11:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-25 00:11:01,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:01,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-25 00:11:01,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [consumer_routineErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, consumer_routineErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, consumer_routineErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 244 more)] === [2023-11-25 00:11:01,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:01,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1424561, now seen corresponding path program 1 times [2023-11-25 00:11:01,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:01,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887442072] [2023-11-25 00:11:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:01,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:11:01,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:01,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:11:01,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b092a47-f99d-4db0-bade-b01d816fc668/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:11:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:01,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:11:01,431 INFO L285 TraceCheckSpWp]: Computing forward predicates...