./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:32,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:32,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-19 08:01:32,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:32,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:32,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:32,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:32,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:32,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:32,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:32,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:32,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:32,420 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:32,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:32,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:32,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:32,423 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:01:32,424 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:01:32,424 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:01:32,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:32,425 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:01:32,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:01:32,427 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:32,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:32,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:32,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:32,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:32,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:32,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:32,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:01:32,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:01:32,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:32,433 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:32,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:32,433 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:32,434 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 [2023-11-19 08:01:32,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:32,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:32,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:32,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:32,843 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:32,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 08:01:36,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:36,713 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:36,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 08:01:36,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/data/6e4509cb6/689f8f87d55e4d61b7e02f187508899d/FLAG9e54be228 [2023-11-19 08:01:36,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/data/6e4509cb6/689f8f87d55e4d61b7e02f187508899d [2023-11-19 08:01:36,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:36,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:36,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:36,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:36,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:36,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:36" (1/1) ... [2023-11-19 08:01:36,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fedb666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:36, skipping insertion in model container [2023-11-19 08:01:36,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:36" (1/1) ... [2023-11-19 08:01:36,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:38,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:38,267 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) [2023-11-19 08:01:38,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a184ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:38, skipping insertion in model container [2023-11-19 08:01:38,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:38,269 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 08:01:38,273 INFO L158 Benchmark]: Toolchain (without parser) took 1485.10ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 97.1MB in the end (delta: 20.9MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-19 08:01:38,273 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:38,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1479.08ms. Allocated memory is still 161.5MB. Free memory was 117.6MB in the beginning and 97.1MB in the end (delta: 20.5MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-19 08:01:38,276 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1479.08ms. Allocated memory is still 161.5MB. Free memory was 117.6MB in the beginning and 97.1MB in the end (delta: 20.5MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2843]: 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_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:40,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:41,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-19 08:01:41,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:41,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:41,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:41,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:41,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:41,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:41,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:41,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:41,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:41,127 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:41,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:41,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:41,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:41,131 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:01:41,131 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:01:41,132 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:01:41,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:41,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:01:41,134 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:01:41,134 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:01:41,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:01:41,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:41,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:41,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:41,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:41,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:41,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:41,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:41,139 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:01:41,140 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:01:41,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:41,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:41,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:41,141 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:01:41,141 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:41,141 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 [2023-11-19 08:01:41,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:41,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:41,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:41,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:41,575 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:41,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 08:01:44,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:45,407 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:45,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 08:01:45,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/data/6a8fd41f6/fb7dd10e9b174b03b0af2d24b8a19119/FLAG3f6628278 [2023-11-19 08:01:45,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/data/6a8fd41f6/fb7dd10e9b174b03b0af2d24b8a19119 [2023-11-19 08:01:45,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:45,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:45,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:45,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:45,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:45,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:45" (1/1) ... [2023-11-19 08:01:45,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1b25ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:45, skipping insertion in model container [2023-11-19 08:01:45,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:45" (1/1) ... [2023-11-19 08:01:45,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:46,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:47,087 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 08:01:47,129 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:47,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:47,522 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:47,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2595] [2023-11-19 08:01:47,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2603] [2023-11-19 08:01:47,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:47,968 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:47,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47 WrapperNode [2023-11-19 08:01:47,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:47,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:47,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:47,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:47,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,379 INFO L138 Inliner]: procedures = 119, calls = 3248, calls flagged for inlining = 28, calls inlined = 27, statements flattened = 4068 [2023-11-19 08:01:48,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:48,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:48,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:48,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:48,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:48,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:48,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:48,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:48,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (1/1) ... [2023-11-19 08:01:48,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:48,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:48,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2023-11-19 08:01:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2023-11-19 08:01:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2023-11-19 08:01:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2023-11-19 08:01:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 08:01:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 08:01:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 08:01:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2023-11-19 08:01:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2023-11-19 08:01:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 08:01:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 08:01:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:01:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 08:01:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:01:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2023-11-19 08:01:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2023-11-19 08:01:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:01:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:01:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2023-11-19 08:01:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2023-11-19 08:01:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:01:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:01:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:01:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:01:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-11-19 08:01:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-11-19 08:01:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 08:01:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 08:01:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2023-11-19 08:01:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2023-11-19 08:01:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 08:01:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 08:01:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2023-11-19 08:01:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2023-11-19 08:01:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2023-11-19 08:01:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2023-11-19 08:01:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2023-11-19 08:01:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2023-11-19 08:01:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:01:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:01:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-19 08:01:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2023-11-19 08:01:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2023-11-19 08:01:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-11-19 08:01:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-11-19 08:01:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-19 08:01:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 08:01:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-19 08:01:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:01:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:01:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:01:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:01:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:01:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2023-11-19 08:01:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2023-11-19 08:01:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2023-11-19 08:01:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2023-11-19 08:01:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2023-11-19 08:01:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2023-11-19 08:01:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:01:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:01:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:01:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:01:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-19 08:01:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-19 08:01:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-19 08:01:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:01:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2023-11-19 08:01:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2023-11-19 08:01:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2023-11-19 08:01:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2023-11-19 08:01:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2023-11-19 08:01:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2023-11-19 08:01:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 08:01:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 08:01:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 08:01:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2023-11-19 08:01:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2023-11-19 08:01:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:01:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 08:01:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:01:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 08:01:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 08:01:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:01:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:01:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 08:01:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:01:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-11-19 08:01:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-11-19 08:01:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 08:01:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2023-11-19 08:01:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2023-11-19 08:01:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 08:01:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 08:01:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 08:01:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 08:01:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2023-11-19 08:01:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2023-11-19 08:01:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-19 08:01:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2023-11-19 08:01:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2023-11-19 08:01:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 08:01:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 08:01:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 08:01:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 08:01:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2023-11-19 08:01:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2023-11-19 08:01:49,407 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:49,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:54,907 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:01:55,963 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 08:02:09,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:09,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:09,554 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 08:02:09,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:09 BoogieIcfgContainer [2023-11-19 08:02:09,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:09,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:09,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:09,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:09,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:45" (1/3) ... [2023-11-19 08:02:09,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2529f2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:09, skipping insertion in model container [2023-11-19 08:02:09,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:47" (2/3) ... [2023-11-19 08:02:09,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2529f2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:09, skipping insertion in model container [2023-11-19 08:02:09,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:09" (3/3) ... [2023-11-19 08:02:09,581 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2023-11-19 08:02:09,602 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:09,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 795 error locations. [2023-11-19 08:02:09,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:09,693 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=PETRI_NET, 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;@36fcad97, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:09,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 795 error locations. [2023-11-19 08:02:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 2027 states, 1012 states have (on average 2.010869565217391) internal successors, (2035), 1821 states have internal predecessors, (2035), 182 states have call successors, (182), 40 states have call predecessors, (182), 39 states have return successors, (179), 175 states have call predecessors, (179), 179 states have call successors, (179) [2023-11-19 08:02:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 08:02:09,716 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:09,717 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:09,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 08:02:09,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash -921709571, now seen corresponding path program 1 times [2023-11-19 08:02:09,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:09,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815048213] [2023-11-19 08:02:09,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:09,754 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 [2023-11-19 08:02:09,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:09,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:02:09,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:11,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 3066 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:02:11,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 08:02:11,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:11,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:11,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815048213] [2023-11-19 08:02:11,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815048213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:11,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:11,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:11,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350009130] [2023-11-19 08:02:11,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:11,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:11,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:11,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:11,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:11,706 INFO L87 Difference]: Start difference. First operand has 2027 states, 1012 states have (on average 2.010869565217391) internal successors, (2035), 1821 states have internal predecessors, (2035), 182 states have call successors, (182), 40 states have call predecessors, (182), 39 states have return successors, (179), 175 states have call predecessors, (179), 179 states have call successors, (179) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 08:02:12,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:12,384 INFO L93 Difference]: Finished difference Result 3734 states and 4385 transitions. [2023-11-19 08:02:12,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:12,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2023-11-19 08:02:12,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:12,441 INFO L225 Difference]: With dead ends: 3734 [2023-11-19 08:02:12,441 INFO L226 Difference]: Without dead ends: 3724 [2023-11-19 08:02:12,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:12,455 INFO L413 NwaCegarLoop]: 2520 mSDtfsCounter, 2320 mSDsluCounter, 2048 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:12,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 4568 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:02:12,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2023-11-19 08:02:12,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3028. [2023-11-19 08:02:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 1855 states have (on average 2.019407008086253) internal successors, (3746), 2666 states have internal predecessors, (3746), 310 states have call successors, (310), 73 states have call predecessors, (310), 72 states have return successors, (309), 301 states have call predecessors, (309), 309 states have call successors, (309) [2023-11-19 08:02:12,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 4365 transitions. [2023-11-19 08:02:12,761 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 4365 transitions. Word has length 35 [2023-11-19 08:02:12,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:12,762 INFO L495 AbstractCegarLoop]: Abstraction has 3028 states and 4365 transitions. [2023-11-19 08:02:12,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 08:02:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 4365 transitions. [2023-11-19 08:02:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 08:02:12,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:12,766 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:12,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:12,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:12,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 08:02:12,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:12,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1036153603, now seen corresponding path program 1 times [2023-11-19 08:02:12,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:12,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263031108] [2023-11-19 08:02:12,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:12,985 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 [2023-11-19 08:02:12,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:12,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:02:12,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:14,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 3076 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:02:14,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 08:02:14,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:14,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:14,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263031108] [2023-11-19 08:02:14,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263031108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:14,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:14,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:14,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114344669] [2023-11-19 08:02:14,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:14,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:14,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:14,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:14,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:14,769 INFO L87 Difference]: Start difference. First operand 3028 states and 4365 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 08:02:15,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:15,509 INFO L93 Difference]: Finished difference Result 3407 states and 4826 transitions. [2023-11-19 08:02:15,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:15,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2023-11-19 08:02:15,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:15,533 INFO L225 Difference]: With dead ends: 3407 [2023-11-19 08:02:15,534 INFO L226 Difference]: Without dead ends: 3407 [2023-11-19 08:02:15,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:15,535 INFO L413 NwaCegarLoop]: 2455 mSDtfsCounter, 452 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 4717 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:15,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 4717 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 08:02:15,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2023-11-19 08:02:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 3270. [2023-11-19 08:02:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3270 states, 2041 states have (on average 1.9965703086722195) internal successors, (4075), 2857 states have internal predecessors, (4075), 355 states have call successors, (355), 84 states have call predecessors, (355), 83 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2023-11-19 08:02:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 4784 transitions. [2023-11-19 08:02:15,761 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 4784 transitions. Word has length 36 [2023-11-19 08:02:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:15,762 INFO L495 AbstractCegarLoop]: Abstraction has 3270 states and 4784 transitions. [2023-11-19 08:02:15,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 08:02:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 4784 transitions. [2023-11-19 08:02:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 08:02:15,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:15,772 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:15,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:15,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:15,991 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr142ASSERT_VIOLATIONMEMORY_LEAK === [opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 08:02:15,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:15,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2133557286, now seen corresponding path program 1 times [2023-11-19 08:02:16,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:16,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813646467] [2023-11-19 08:02:16,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:16,002 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 [2023-11-19 08:02:16,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:16,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:02:16,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:17,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:02:17,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 08:02:17,753 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:17,753 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:17,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813646467] [2023-11-19 08:02:17,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1813646467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:17,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:17,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:02:17,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150764730] [2023-11-19 08:02:17,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:17,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:17,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:17,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:17,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:17,758 INFO L87 Difference]: Start difference. First operand 3270 states and 4784 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 08:02:18,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:18,588 INFO L93 Difference]: Finished difference Result 3522 states and 5134 transitions. [2023-11-19 08:02:18,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:18,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2023-11-19 08:02:18,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:18,618 INFO L225 Difference]: With dead ends: 3522 [2023-11-19 08:02:18,618 INFO L226 Difference]: Without dead ends: 3522 [2023-11-19 08:02:18,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:18,621 INFO L413 NwaCegarLoop]: 2359 mSDtfsCounter, 2906 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2906 SdHoareTripleChecker+Valid, 4739 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:18,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2906 Valid, 4739 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 08:02:18,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3522 states. [2023-11-19 08:02:18,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3522 to 3251. [2023-11-19 08:02:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 2022 states have (on average 1.9975272007912956) internal successors, (4039), 2842 states have internal predecessors, (4039), 355 states have call successors, (355), 84 states have call predecessors, (355), 83 states have return successors, (354), 342 states have call predecessors, (354), 354 states have call successors, (354) [2023-11-19 08:02:18,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 4748 transitions. [2023-11-19 08:02:18,769 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 4748 transitions. Word has length 47 [2023-11-19 08:02:18,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:18,769 INFO L495 AbstractCegarLoop]: Abstraction has 3251 states and 4748 transitions. [2023-11-19 08:02:18,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 08:02:18,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 4748 transitions. [2023-11-19 08:02:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 08:02:18,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:18,773 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:18,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:18,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:18,991 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 08:02:18,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:18,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1460807703, now seen corresponding path program 1 times [2023-11-19 08:02:18,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:18,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933147849] [2023-11-19 08:02:18,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:18,998 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 [2023-11-19 08:02:18,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:19,028 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:02:19,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 08:02:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:20,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 3098 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:02:20,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 08:02:20,774 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:20,774 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:20,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933147849] [2023-11-19 08:02:20,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933147849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:20,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:20,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:20,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198041904] [2023-11-19 08:02:20,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:20,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:20,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:20,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:20,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:20,776 INFO L87 Difference]: Start difference. First operand 3251 states and 4748 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 08:02:20,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:20,819 INFO L93 Difference]: Finished difference Result 1759 states and 2063 transitions. [2023-11-19 08:02:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:20,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2023-11-19 08:02:20,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:20,831 INFO L225 Difference]: With dead ends: 1759 [2023-11-19 08:02:20,831 INFO L226 Difference]: Without dead ends: 1759 [2023-11-19 08:02:20,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:20,832 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 1988 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:20,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 2016 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:20,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2023-11-19 08:02:20,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1753. [2023-11-19 08:02:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 893 states have (on average 1.9955207166853304) internal successors, (1782), 1589 states have internal predecessors, (1782), 138 states have call successors, (138), 35 states have call predecessors, (138), 34 states have return successors, (137), 133 states have call predecessors, (137), 137 states have call successors, (137) [2023-11-19 08:02:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2057 transitions. [2023-11-19 08:02:20,884 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2057 transitions. Word has length 52 [2023-11-19 08:02:20,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:20,885 INFO L495 AbstractCegarLoop]: Abstraction has 1753 states and 2057 transitions. [2023-11-19 08:02:20,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 08:02:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2057 transitions. [2023-11-19 08:02:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 08:02:20,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:20,887 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:20,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:21,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:21,108 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [opl3_alloc_voiceErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, opl3_alloc_voiceErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 792 more)] === [2023-11-19 08:02:21,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:21,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1838355143, now seen corresponding path program 1 times [2023-11-19 08:02:21,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:21,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730508151] [2023-11-19 08:02:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:21,115 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 [2023-11-19 08:02:21,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:21,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:02:21,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220c06dc-d2f3-4d19-96e9-7e0c48d4c84b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process