./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl --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 f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:09,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:09,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-12 02:03:09,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:09,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:09,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:09,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:09,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:09,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:09,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:09,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:09,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:09,270 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:09,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:09,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:09,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:09,274 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:03:09,274 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:03:09,275 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:03:09,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:09,276 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:03:09,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:03:09,277 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:09,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:09,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:09,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:09,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:09,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:09,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:09,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:09,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:03:09,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:09,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:09,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:09,284 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:09,284 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_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2023-11-12 02:03:09,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:09,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:09,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:09,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:09,548 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:09,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-12 02:03:12,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:13,140 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:13,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-12 02:03:13,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/data/e44d98226/e3a20ccc14b04e4683c9617658301e51/FLAG000e344c3 [2023-11-12 02:03:13,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/data/e44d98226/e3a20ccc14b04e4683c9617658301e51 [2023-11-12 02:03:13,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:13,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:13,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:13,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:13,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:13,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6edd0d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13, skipping insertion in model container [2023-11-12 02:03:13,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:14,260 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:14,791 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:14,861 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:14,875 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:14,881 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:14,935 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:14,938 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,016 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,129 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,173 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,179 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,183 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,189 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,190 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,196 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,215 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,216 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,224 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,230 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,231 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,232 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,233 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,234 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,239 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,240 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,241 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 02:03:15,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:15,368 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) [2023-11-12 02:03:15,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50d01f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:15, skipping insertion in model container [2023-11-12 02:03:15,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:15,369 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:03:15,371 INFO L158 Benchmark]: Toolchain (without parser) took 2158.62ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 78.9MB in the beginning and 141.7MB in the end (delta: -62.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2023-11-12 02:03:15,372 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:15,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2152.12ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 78.9MB in the beginning and 141.7MB in the end (delta: -62.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2023-11-12 02:03:15,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2152.12ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 78.9MB in the beginning and 141.7MB in the end (delta: -62.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3767]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl --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 f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:17,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:17,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-12 02:03:17,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:17,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:17,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:17,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:18,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:18,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:18,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:18,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:18,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:18,004 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:18,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:18,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:18,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:18,006 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:03:18,007 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:03:18,007 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:03:18,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:18,008 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:03:18,009 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:03:18,010 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:03:18,010 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:03:18,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:18,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:18,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:18,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:18,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:18,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:18,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:18,014 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:03:18,014 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:03:18,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:18,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:18,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:18,016 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:03:18,016 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:18,016 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_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2023-11-12 02:03:18,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:18,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:18,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:18,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:18,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:18,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-12 02:03:21,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:22,351 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:22,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-12 02:03:22,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/data/9b94a3167/1819b759284744f29deec6250a469968/FLAG0bb9c4ade [2023-11-12 02:03:22,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/data/9b94a3167/1819b759284744f29deec6250a469968 [2023-11-12 02:03:22,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:22,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:22,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:22,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:22,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:22,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:22" (1/1) ... [2023-11-12 02:03:22,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5a5406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:22, skipping insertion in model container [2023-11-12 02:03:22,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:22" (1/1) ... [2023-11-12 02:03:22,630 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:24,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:24,485 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 02:03:24,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:24,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:24,926 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:03:25,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3641-3642] [2023-11-12 02:03:25,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0\n\tcmovzl %2,%0": "=&r" (r): "rm" (x), "rm" (-1)); [3649] [2023-11-12 02:03:25,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3668] [2023-11-12 02:03:25,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3670] [2023-11-12 02:03:25,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3672] [2023-11-12 02:03:25,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3675] [2023-11-12 02:03:25,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3742] [2023-11-12 02:03:25,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3744] [2023-11-12 02:03:25,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3746] [2023-11-12 02:03:25,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3749] [2023-11-12 02:03:25,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4027] [2023-11-12 02:03:25,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4036] [2023-11-12 02:03:25,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4039] [2023-11-12 02:03:25,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/loop.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/loop.c.p"), "i" (533), "i" (12UL)); [4827-4828] [2023-11-12 02:03:25,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/loop.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/loop.c.p"), "i" (600), "i" (12UL)); [4989-4990] [2023-11-12 02:03:25,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:25,433 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:03:25,433 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:03:25,441 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:03:25,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25 WrapperNode [2023-11-12 02:03:25,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:25,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:25,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:03:25,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:03:25,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,766 INFO L138 Inliner]: procedures = 251, calls = 1214, calls flagged for inlining = 129, calls inlined = 118, statements flattened = 3465 [2023-11-12 02:03:25,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:25,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:03:25,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:03:25,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:03:25,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:26,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:03:26,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:03:26,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:03:26,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:03:26,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:26,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:26,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:26,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:26,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:03:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-12 02:03:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-12 02:03:26,103 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2023-11-12 02:03:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-12 02:03:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:03:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:03:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-12 02:03:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:03:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2023-11-12 02:03:26,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2023-11-12 02:03:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-12 02:03:26,104 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-12 02:03:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 02:03:26,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 02:03:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:03:26,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:03:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2023-11-12 02:03:26,105 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2023-11-12 02:03:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2023-11-12 02:03:26,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2023-11-12 02:03:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-12 02:03:26,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-12 02:03:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2023-11-12 02:03:26,106 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2023-11-12 02:03:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2023-11-12 02:03:26,106 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2023-11-12 02:03:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-12 02:03:26,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-12 02:03:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:03:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:03:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2023-11-12 02:03:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2023-11-12 02:03:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2023-11-12 02:03:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2023-11-12 02:03:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2023-11-12 02:03:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2023-11-12 02:03:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-11-12 02:03:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-11-12 02:03:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2023-11-12 02:03:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2023-11-12 02:03:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:03:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:03:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2023-11-12 02:03:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2023-11-12 02:03:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2023-11-12 02:03:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2023-11-12 02:03:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2023-11-12 02:03:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2023-11-12 02:03:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2023-11-12 02:03:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2023-11-12 02:03:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2023-11-12 02:03:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2023-11-12 02:03:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:03:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:03:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2023-11-12 02:03:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2023-11-12 02:03:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2023-11-12 02:03:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2023-11-12 02:03:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:03:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-12 02:03:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-12 02:03:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-12 02:03:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-12 02:03:26,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-12 02:03:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:03:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:03:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:03:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 02:03:26,111 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 02:03:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:03:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:03:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:03:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 02:03:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 02:03:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 02:03:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-12 02:03:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-12 02:03:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-12 02:03:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:03:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:03:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2023-11-12 02:03:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2023-11-12 02:03:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2023-11-12 02:03:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2023-11-12 02:03:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 02:03:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 02:03:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2023-11-12 02:03:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2023-11-12 02:03:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2023-11-12 02:03:26,114 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2023-11-12 02:03:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2023-11-12 02:03:26,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2023-11-12 02:03:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-12 02:03:26,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-12 02:03:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2023-11-12 02:03:26,114 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2023-11-12 02:03:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2023-11-12 02:03:26,114 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2023-11-12 02:03:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2023-11-12 02:03:26,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2023-11-12 02:03:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:03:26,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:03:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:03:26,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:03:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-11-12 02:03:26,115 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-11-12 02:03:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 02:03:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 02:03:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 02:03:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 02:03:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-12 02:03:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-12 02:03:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-12 02:03:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-12 02:03:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2023-11-12 02:03:26,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2023-11-12 02:03:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 02:03:26,117 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 02:03:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:03:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 02:03:26,117 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 02:03:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:03:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2023-11-12 02:03:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2023-11-12 02:03:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:03:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-11-12 02:03:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2023-11-12 02:03:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2023-11-12 02:03:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2023-11-12 02:03:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:03:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-12 02:03:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2023-11-12 02:03:26,119 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2023-11-12 02:03:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-12 02:03:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-12 02:03:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 02:03:26,119 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 02:03:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-11-12 02:03:26,119 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-11-12 02:03:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2023-11-12 02:03:26,120 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2023-11-12 02:03:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-11-12 02:03:26,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-11-12 02:03:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2023-11-12 02:03:26,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2023-11-12 02:03:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 02:03:26,120 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 02:03:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2023-11-12 02:03:26,121 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2023-11-12 02:03:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2023-11-12 02:03:26,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2023-11-12 02:03:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-12 02:03:26,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-12 02:03:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-12 02:03:26,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-12 02:03:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-12 02:03:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:03:26,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:03:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:03:26,122 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:03:26,811 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:03:26,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:03:31,459 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:03:35,644 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2023-11-12 02:03:35,644 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2023-11-12 02:03:35,709 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-12 02:03:35,709 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-12 02:03:38,448 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:03:40,628 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-12 02:03:40,628 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-12 02:03:41,458 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:03:42,433 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:03:42,435 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:03:45,919 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2023-11-12 02:03:45,919 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2023-11-12 02:03:45,919 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2023-11-12 02:03:45,919 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2023-11-12 02:03:46,115 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:03:46,137 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:03:46,138 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:03:46,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:46 BoogieIcfgContainer [2023-11-12 02:03:46,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:03:46,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:03:46,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:03:46,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:03:46,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:03:22" (1/3) ... [2023-11-12 02:03:46,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d3795c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:46, skipping insertion in model container [2023-11-12 02:03:46,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (2/3) ... [2023-11-12 02:03:46,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d3795c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:03:46, skipping insertion in model container [2023-11-12 02:03:46,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:46" (3/3) ... [2023-11-12 02:03:46,154 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2023-11-12 02:03:46,174 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:03:46,174 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1063 error locations. [2023-11-12 02:03:46,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:03:46,337 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;@24eaac83, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:03:46,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1063 error locations. [2023-11-12 02:03:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 2725 states, 1418 states have (on average 1.8921015514809592) internal successors, (2683), 2449 states have internal predecessors, (2683), 223 states have call successors, (223), 64 states have call predecessors, (223), 64 states have return successors, (223), 222 states have call predecessors, (223), 223 states have call successors, (223) [2023-11-12 02:03:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 02:03:46,360 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:46,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:46,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2023-11-12 02:03:46,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:46,372 INFO L85 PathProgramCache]: Analyzing trace with hash -713982073, now seen corresponding path program 1 times [2023-11-12 02:03:46,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:03:46,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392859884] [2023-11-12 02:03:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:46,397 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 [2023-11-12 02:03:46,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:03:46,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:03:46,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:47,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:47,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:47,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:47,363 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:03:47,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392859884] [2023-11-12 02:03:47,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392859884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:47,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:47,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:47,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497390076] [2023-11-12 02:03:47,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:47,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:47,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:03:47,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:47,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:47,420 INFO L87 Difference]: Start difference. First operand has 2725 states, 1418 states have (on average 1.8921015514809592) internal successors, (2683), 2449 states have internal predecessors, (2683), 223 states have call successors, (223), 64 states have call predecessors, (223), 64 states have return successors, (223), 222 states have call predecessors, (223), 223 states have call successors, (223) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:47,945 INFO L93 Difference]: Finished difference Result 5435 states and 6229 transitions. [2023-11-12 02:03:47,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:47,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-12 02:03:47,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:47,999 INFO L225 Difference]: With dead ends: 5435 [2023-11-12 02:03:47,999 INFO L226 Difference]: Without dead ends: 5427 [2023-11-12 02:03:48,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:48,004 INFO L413 NwaCegarLoop]: 3111 mSDtfsCounter, 3113 mSDsluCounter, 3104 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 6215 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:48,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3113 Valid, 6215 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:03:48,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5427 states. [2023-11-12 02:03:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5427 to 2717. [2023-11-12 02:03:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 1412 states have (on average 1.8895184135977336) internal successors, (2668), 2441 states have internal predecessors, (2668), 223 states have call successors, (223), 64 states have call predecessors, (223), 63 states have return successors, (221), 220 states have call predecessors, (221), 221 states have call successors, (221) [2023-11-12 02:03:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3112 transitions. [2023-11-12 02:03:48,225 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3112 transitions. Word has length 11 [2023-11-12 02:03:48,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:48,225 INFO L495 AbstractCegarLoop]: Abstraction has 2717 states and 3112 transitions. [2023-11-12 02:03:48,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3112 transitions. [2023-11-12 02:03:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 02:03:48,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:48,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:48,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 02:03:48,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:48,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2023-11-12 02:03:48,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:48,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1328505432, now seen corresponding path program 1 times [2023-11-12 02:03:48,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:03:48,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433747747] [2023-11-12 02:03:48,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:48,443 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 [2023-11-12 02:03:48,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:03:48,444 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:03:48,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:49,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:49,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:49,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:49,329 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:03:49,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433747747] [2023-11-12 02:03:49,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433747747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:49,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:49,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:03:49,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306093135] [2023-11-12 02:03:49,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:49,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:49,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:03:49,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:49,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:49,333 INFO L87 Difference]: Start difference. First operand 2717 states and 3112 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:49,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:49,443 INFO L93 Difference]: Finished difference Result 2717 states and 3109 transitions. [2023-11-12 02:03:49,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:49,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-12 02:03:49,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:49,461 INFO L225 Difference]: With dead ends: 2717 [2023-11-12 02:03:49,462 INFO L226 Difference]: Without dead ends: 2717 [2023-11-12 02:03:49,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:49,463 INFO L413 NwaCegarLoop]: 3105 mSDtfsCounter, 3103 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 3105 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:49,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3103 Valid, 3105 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:03:49,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2023-11-12 02:03:49,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2717. [2023-11-12 02:03:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 1412 states have (on average 1.8873937677053825) internal successors, (2665), 2441 states have internal predecessors, (2665), 223 states have call successors, (223), 64 states have call predecessors, (223), 63 states have return successors, (221), 220 states have call predecessors, (221), 221 states have call successors, (221) [2023-11-12 02:03:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3109 transitions. [2023-11-12 02:03:49,567 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3109 transitions. Word has length 12 [2023-11-12 02:03:49,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:49,568 INFO L495 AbstractCegarLoop]: Abstraction has 2717 states and 3109 transitions. [2023-11-12 02:03:49,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3109 transitions. [2023-11-12 02:03:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 02:03:49,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:49,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:49,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:49,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:49,788 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2023-11-12 02:03:49,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:49,789 INFO L85 PathProgramCache]: Analyzing trace with hash 685641913, now seen corresponding path program 1 times [2023-11-12 02:03:49,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:03:49,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172355757] [2023-11-12 02:03:49,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:49,790 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 [2023-11-12 02:03:49,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:03:49,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:03:49,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:50,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:03:50,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:50,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:50,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:03:50,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172355757] [2023-11-12 02:03:50,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172355757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:50,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:50,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:03:50,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423524895] [2023-11-12 02:03:50,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:50,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:03:50,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:03:50,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:03:50,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:03:50,595 INFO L87 Difference]: Start difference. First operand 2717 states and 3109 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:50,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:50,770 INFO L93 Difference]: Finished difference Result 2744 states and 3143 transitions. [2023-11-12 02:03:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:03:50,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-12 02:03:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:50,787 INFO L225 Difference]: With dead ends: 2744 [2023-11-12 02:03:50,788 INFO L226 Difference]: Without dead ends: 2744 [2023-11-12 02:03:50,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:03:50,793 INFO L413 NwaCegarLoop]: 3107 mSDtfsCounter, 84 mSDsluCounter, 3094 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 6201 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:50,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 6201 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:03:50,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2744 states. [2023-11-12 02:03:50,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2744 to 2718. [2023-11-12 02:03:50,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 1413 states have (on average 1.886765746638358) internal successors, (2666), 2442 states have internal predecessors, (2666), 223 states have call successors, (223), 64 states have call predecessors, (223), 63 states have return successors, (221), 220 states have call predecessors, (221), 221 states have call successors, (221) [2023-11-12 02:03:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3110 transitions. [2023-11-12 02:03:50,888 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3110 transitions. Word has length 12 [2023-11-12 02:03:50,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:50,888 INFO L495 AbstractCegarLoop]: Abstraction has 2718 states and 3110 transitions. [2023-11-12 02:03:50,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3110 transitions. [2023-11-12 02:03:50,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 02:03:50,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:50,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:50,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:51,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:51,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2023-11-12 02:03:51,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:51,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1231743209, now seen corresponding path program 1 times [2023-11-12 02:03:51,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:03:51,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464460891] [2023-11-12 02:03:51,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:51,110 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 [2023-11-12 02:03:51,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:03:51,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:03:51,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:51,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:51,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:51,808 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:51,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:03:51,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464460891] [2023-11-12 02:03:51,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464460891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:51,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:51,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:03:51,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057979516] [2023-11-12 02:03:51,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:51,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:51,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:03:51,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:51,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:51,815 INFO L87 Difference]: Start difference. First operand 2718 states and 3110 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:51,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:51,905 INFO L93 Difference]: Finished difference Result 2706 states and 3090 transitions. [2023-11-12 02:03:51,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:51,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-12 02:03:51,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:03:51,922 INFO L225 Difference]: With dead ends: 2706 [2023-11-12 02:03:51,922 INFO L226 Difference]: Without dead ends: 2706 [2023-11-12 02:03:51,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:51,925 INFO L413 NwaCegarLoop]: 3085 mSDtfsCounter, 3086 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 3085 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:03:51,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 3085 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:03:51,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2023-11-12 02:03:51,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2706. [2023-11-12 02:03:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 1405 states have (on average 1.8875444839857651) internal successors, (2652), 2434 states have internal predecessors, (2652), 220 states have call successors, (220), 63 states have call predecessors, (220), 62 states have return successors, (218), 217 states have call predecessors, (218), 218 states have call successors, (218) [2023-11-12 02:03:52,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3090 transitions. [2023-11-12 02:03:52,007 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3090 transitions. Word has length 12 [2023-11-12 02:03:52,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:03:52,007 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3090 transitions. [2023-11-12 02:03:52,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3090 transitions. [2023-11-12 02:03:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 02:03:52,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:03:52,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:03:52,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:52,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:52,225 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONMEMORY_LEAK === [__do_lo_send_writeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __do_lo_send_writeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1060 more)] === [2023-11-12 02:03:52,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:52,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1971998239, now seen corresponding path program 1 times [2023-11-12 02:03:52,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:03:52,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121129032] [2023-11-12 02:03:52,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:52,226 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 [2023-11-12 02:03:52,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:03:52,228 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:03:52,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca6cdfca-a202-4b39-87a6-581537cf1628/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:03:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:53,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:53,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:53,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:03:53,075 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:03:53,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121129032] [2023-11-12 02:03:53,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121129032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:53,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:53,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:03:53,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391478322] [2023-11-12 02:03:53,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:53,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:03:53,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:03:53,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:53,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:53,078 INFO L87 Difference]: Start difference. First operand 2706 states and 3090 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)