./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire --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 64bit --witnessprinter.graph.data.programhash eaacc86bd1623a3c57f572e3bcbe9368038e14a886e3ea41553bd1a4d24d89fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:11,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:11,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-23 21:09:11,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:11,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:11,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:11,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:11,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:11,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:11,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:11,271 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:11,272 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:11,272 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:11,274 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:11,275 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:11,275 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:11,276 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:11,276 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:11,277 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:11,277 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:11,278 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:11,278 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:11,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:09:11,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:09:11,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:11,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:11,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:11,283 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:09:11,283 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:09:11,284 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:09:11,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:11,285 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:09:11,286 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:09:11,286 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:11,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:11,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:11,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:11,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:11,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:11,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:11,288 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:11,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:11,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:11,289 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:11,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:11,290 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_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaacc86bd1623a3c57f572e3bcbe9368038e14a886e3ea41553bd1a4d24d89fa [2023-11-23 21:09:11,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:11,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:11,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:11,633 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:11,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:11,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i [2023-11-23 21:09:14,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:15,171 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:15,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i [2023-11-23 21:09:15,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/data/4cb91d484/d77a83f598d449d7acd0d602a01328ee/FLAG6ad647aaf [2023-11-23 21:09:15,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/data/4cb91d484/d77a83f598d449d7acd0d602a01328ee [2023-11-23 21:09:15,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:15,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:15,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:15,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:15,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:15,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:15" (1/1) ... [2023-11-23 21:09:15,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20043da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:15, skipping insertion in model container [2023-11-23 21:09:15,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:15" (1/1) ... [2023-11-23 21:09:15,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:16,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:16,608 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) [2023-11-23 21:09:16,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73752131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:16, skipping insertion in model container [2023-11-23 21:09:16,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:16,609 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:09:16,611 INFO L158 Benchmark]: Toolchain (without parser) took 1368.82ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 71.4MB in the beginning and 90.2MB in the end (delta: -18.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-23 21:09:16,612 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 97.8MB in the beginning and 97.7MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:16,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1364.20ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 71.4MB in the beginning and 90.2MB in the end (delta: -18.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-23 21:09:16,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 97.8MB in the beginning and 97.7MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1364.20ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 71.4MB in the beginning and 90.2MB in the end (delta: -18.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2772]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire --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 64bit --witnessprinter.graph.data.programhash eaacc86bd1623a3c57f572e3bcbe9368038e14a886e3ea41553bd1a4d24d89fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:19,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:19,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-23 21:09:19,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:19,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:19,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:19,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:19,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:19,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:19,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:19,396 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:19,397 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:19,397 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:19,399 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:19,399 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:19,399 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:19,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:09:19,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:09:19,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:19,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:19,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:19,404 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:09:19,404 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:09:19,405 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:09:19,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:19,405 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:09:19,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:09:19,406 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:09:19,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:09:19,407 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:19,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:19,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:09:19,409 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:19,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:19,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:19,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:19,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:19,411 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:09:19,412 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:09:19,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:19,412 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:19,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:19,413 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_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaacc86bd1623a3c57f572e3bcbe9368038e14a886e3ea41553bd1a4d24d89fa [2023-11-23 21:09:19,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:19,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:19,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:19,838 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:19,838 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:19,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i [2023-11-23 21:09:22,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:23,529 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:23,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d.i [2023-11-23 21:09:23,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/data/d44a76d31/76c83fc1383b4aabadba004c63732064/FLAG6537093e9 [2023-11-23 21:09:23,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/data/d44a76d31/76c83fc1383b4aabadba004c63732064 [2023-11-23 21:09:23,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:23,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:23,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:23,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:23,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:23,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:23" (1/1) ... [2023-11-23 21:09:23,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6910f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:23, skipping insertion in model container [2023-11-23 21:09:23,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:23" (1/1) ... [2023-11-23 21:09:23,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:24,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:25,087 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 21:09:25,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:25,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:25,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:25,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2524] [2023-11-23 21:09:25,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2532] [2023-11-23 21:09:25,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:26,134 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:26,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26 WrapperNode [2023-11-23 21:09:26,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:26,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:26,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:26,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:26,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:26,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:26,575 INFO L138 Inliner]: procedures = 115, calls = 3241, calls flagged for inlining = 42, calls inlined = 41, statements flattened = 4154 [2023-11-23 21:09:26,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:26,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:26,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:26,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:26,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:26,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:26,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:26,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:26,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:26,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:27,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:27,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:27,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:27,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:27,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:27,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:27,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (1/1) ... [2023-11-23 21:09:27,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:27,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:27,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:27,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2023-11-23 21:09:27,254 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2023-11-23 21:09:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:09:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:09:27,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:09:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2023-11-23 21:09:27,255 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2023-11-23 21:09:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-23 21:09:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:09:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:09:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:09:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:09:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2023-11-23 21:09:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2023-11-23 21:09:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:09:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:09:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:09:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:09:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-11-23 21:09:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-11-23 21:09:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:09:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:09:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:09:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:09:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2023-11-23 21:09:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2023-11-23 21:09:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-23 21:09:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2023-11-23 21:09:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2023-11-23 21:09:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-11-23 21:09:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-11-23 21:09:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-23 21:09:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 21:09:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-23 21:09:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:09:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:09:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:09:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2023-11-23 21:09:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2023-11-23 21:09:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:09:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:09:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:09:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:09:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-23 21:09:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-23 21:09:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-23 21:09:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:09:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2023-11-23 21:09:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2023-11-23 21:09:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-23 21:09:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:09:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:09:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:09:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:09:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:09:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:09:27,284 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:09:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:09:27,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:09:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:09:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:09:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-11-23 21:09:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-11-23 21:09:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 21:09:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2023-11-23 21:09:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2023-11-23 21:09:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:09:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:09:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:09:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:09:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-23 21:09:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-23 21:09:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-23 21:09:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2023-11-23 21:09:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2023-11-23 21:09:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:09:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 21:09:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2023-11-23 21:09:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2023-11-23 21:09:27,733 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:27,736 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:09:29,727 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:09:47,603 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:48,341 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:48,342 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:09:48,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:48 BoogieIcfgContainer [2023-11-23 21:09:48,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:48,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:48,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:48,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:48,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:23" (1/3) ... [2023-11-23 21:09:48,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50db4e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:48, skipping insertion in model container [2023-11-23 21:09:48,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:26" (2/3) ... [2023-11-23 21:09:48,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50db4e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:48, skipping insertion in model container [2023-11-23 21:09:48,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:48" (3/3) ... [2023-11-23 21:09:48,352 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d.i [2023-11-23 21:09:48,373 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:48,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 795 error locations. [2023-11-23 21:09:48,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:48,470 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;@17d6b06d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:48,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 795 error locations. [2023-11-23 21:09:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 1775 states, 790 states have (on average 2.2455696202531645) internal successors, (1774), 1596 states have internal predecessors, (1774), 165 states have call successors, (165), 26 states have call predecessors, (165), 26 states have return successors, (165), 161 states have call predecessors, (165), 165 states have call successors, (165) [2023-11-23 21:09:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 21:09:48,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:48,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:48,497 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr556ASSERT_VIOLATIONMEMORY_LEAK === [opl3_set_instrErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-23 21:09:48,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1549061814, now seen corresponding path program 1 times [2023-11-23 21:09:48,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:09:48,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81784196] [2023-11-23 21:09:48,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:48,531 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 [2023-11-23 21:09:48,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:09:48,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:09:48,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:09:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:50,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 2950 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:09:50,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:09:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:09:50,197 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:09:50,198 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:09:50,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81784196] [2023-11-23 21:09:50,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81784196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:09:50,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:09:50,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:09:50,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249450558] [2023-11-23 21:09:50,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:09:50,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:09:50,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:09:50,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:09:50,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:09:50,246 INFO L87 Difference]: Start difference. First operand has 1775 states, 790 states have (on average 2.2455696202531645) internal successors, (1774), 1596 states have internal predecessors, (1774), 165 states have call successors, (165), 26 states have call predecessors, (165), 26 states have return successors, (165), 161 states have call predecessors, (165), 165 states have call successors, (165) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-23 21:09:54,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:09:54,793 INFO L93 Difference]: Finished difference Result 2770 states and 3283 transitions. [2023-11-23 21:09:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:09:54,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 15 [2023-11-23 21:09:54,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:09:54,829 INFO L225 Difference]: With dead ends: 2770 [2023-11-23 21:09:54,829 INFO L226 Difference]: Without dead ends: 2768 [2023-11-23 21:09:54,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:09:54,834 INFO L413 NwaCegarLoop]: 1954 mSDtfsCounter, 3058 mSDsluCounter, 2884 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3139 SdHoareTripleChecker+Valid, 4838 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:09:54,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3139 Valid, 4838 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-23 21:09:54,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2023-11-23 21:09:54,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 1775. [2023-11-23 21:09:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1775 states, 791 states have (on average 2.2351453855878636) internal successors, (1768), 1596 states have internal predecessors, (1768), 165 states have call successors, (165), 26 states have call predecessors, (165), 26 states have return successors, (165), 161 states have call predecessors, (165), 165 states have call successors, (165) [2023-11-23 21:09:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2098 transitions. [2023-11-23 21:09:55,012 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2098 transitions. Word has length 15 [2023-11-23 21:09:55,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:09:55,014 INFO L495 AbstractCegarLoop]: Abstraction has 1775 states and 2098 transitions. [2023-11-23 21:09:55,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-23 21:09:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2098 transitions. [2023-11-23 21:09:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:09:55,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:55,024 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:55,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:09:55,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:09:55,237 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [opl3_set_instrErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-23 21:09:55,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:55,237 INFO L85 PathProgramCache]: Analyzing trace with hash -442693969, now seen corresponding path program 1 times [2023-11-23 21:09:55,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:09:55,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41562168] [2023-11-23 21:09:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:55,245 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 [2023-11-23 21:09:55,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:09:55,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:09:55,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:09:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:56,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:09:56,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:09:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:09:56,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:09:56,778 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:09:56,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41562168] [2023-11-23 21:09:56,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41562168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:09:56,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:09:56,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:09:56,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618934384] [2023-11-23 21:09:56,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:09:56,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:09:56,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:09:56,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:09:56,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:09:56,782 INFO L87 Difference]: Start difference. First operand 1775 states and 2098 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:09:58,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:09:58,904 INFO L93 Difference]: Finished difference Result 1499 states and 1758 transitions. [2023-11-23 21:09:58,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:09:58,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2023-11-23 21:09:58,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:09:58,915 INFO L225 Difference]: With dead ends: 1499 [2023-11-23 21:09:58,915 INFO L226 Difference]: Without dead ends: 1499 [2023-11-23 21:09:58,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:09:58,917 INFO L413 NwaCegarLoop]: 1634 mSDtfsCounter, 1749 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:09:58,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 1634 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:09:58,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2023-11-23 21:09:58,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1499. [2023-11-23 21:09:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 665 states have (on average 2.267669172932331) internal successors, (1508), 1362 states have internal predecessors, (1508), 125 states have call successors, (125), 21 states have call predecessors, (125), 21 states have return successors, (125), 121 states have call predecessors, (125), 125 states have call successors, (125) [2023-11-23 21:09:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 1758 transitions. [2023-11-23 21:09:58,983 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 1758 transitions. Word has length 20 [2023-11-23 21:09:58,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:09:58,984 INFO L495 AbstractCegarLoop]: Abstraction has 1499 states and 1758 transitions. [2023-11-23 21:09:58,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:09:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1758 transitions. [2023-11-23 21:09:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:09:58,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:58,986 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:09:59,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:09:59,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:09:59,212 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr88REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [opl3_set_instrErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_set_instrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-23 21:09:59,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash 359166204, now seen corresponding path program 1 times [2023-11-23 21:09:59,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:09:59,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609784814] [2023-11-23 21:09:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:59,216 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:09:59,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:09:59,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:09:59,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfb57bf-6cf1-4757-80f4-95a7e7e8b348/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:03,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.