./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/verifythis/tree_del_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version e7bb482b 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_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/tree_del_rec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 448d6e9f7f0c094a8335d652a2766ae983308e33ec1a543ceaed97ae79744722 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:54,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:20:54,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2023-11-06 22:20:54,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:20:54,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:20:54,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:20:54,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:20:54,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:20:54,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:20:54,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:20:54,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:20:54,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:20:54,218 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:20:54,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:20:54,220 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:20:54,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:20:54,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:20:54,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:20:54,222 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:20:54,223 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:20:54,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:20:54,224 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:20:54,225 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:20:54,225 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:20:54,226 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:20:54,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:20:54,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:20:54,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:20:54,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:54,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:20:54,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:20:54,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:20:54,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:20:54,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:20:54,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:20:54,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:20:54,232 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:20:54,232 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_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 448d6e9f7f0c094a8335d652a2766ae983308e33ec1a543ceaed97ae79744722 [2023-11-06 22:20:54,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:20:54,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:20:54,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:20:54,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:20:54,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:20:54,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/verifythis/tree_del_rec.c [2023-11-06 22:20:57,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:20:57,944 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:20:57,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/sv-benchmarks/c/verifythis/tree_del_rec.c [2023-11-06 22:20:57,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/data/fcd8e4fdb/fb95d10ba35d43329d1e99f652381cf6/FLAG5047db297 [2023-11-06 22:20:57,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/data/fcd8e4fdb/fb95d10ba35d43329d1e99f652381cf6 [2023-11-06 22:20:57,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:20:57,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:20:57,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:57,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:20:58,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:20:58,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:57" (1/1) ... [2023-11-06 22:20:58,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c73c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:58, skipping insertion in model container [2023-11-06 22:20:58,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:57" (1/1) ... [2023-11-06 22:20:58,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:20:58,303 WARN L1577 CHandler]: Possible shadowing of function min [2023-11-06 22:20:58,306 WARN L1577 CHandler]: Possible shadowing of function min [2023-11-06 22:20:58,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:58,367 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) [2023-11-06 22:20:58,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@159eced6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:58, skipping insertion in model container [2023-11-06 22:20:58,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:58,369 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 22:20:58,371 INFO L158 Benchmark]: Toolchain (without parser) took 380.79ms. Allocated memory is still 148.9MB. Free memory was 107.2MB in the beginning and 96.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:20:58,372 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:58,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.12ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 96.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:20:58,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.12ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 96.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 28]: 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_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/tree_del_rec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 448d6e9f7f0c094a8335d652a2766ae983308e33ec1a543ceaed97ae79744722 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:21:01,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:21:01,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2023-11-06 22:21:01,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:21:01,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:21:01,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:21:01,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:21:01,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:21:01,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:21:01,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:21:01,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:21:01,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:21:01,305 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:21:01,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:21:01,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:21:01,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:21:01,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:21:01,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:21:01,309 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 22:21:01,310 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 22:21:01,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:21:01,311 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:21:01,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:21:01,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:21:01,313 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:21:01,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:21:01,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:21:01,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:21:01,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:21:01,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:21:01,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:01,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:21:01,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:21:01,318 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:21:01,318 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:01,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:21:01,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:21:01,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:21:01,320 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:21:01,321 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:21:01,321 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_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 448d6e9f7f0c094a8335d652a2766ae983308e33ec1a543ceaed97ae79744722 [2023-11-06 22:21:01,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:21:01,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:21:01,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:21:01,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:21:01,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:21:01,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/verifythis/tree_del_rec.c [2023-11-06 22:21:05,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:21:05,516 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:21:05,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/sv-benchmarks/c/verifythis/tree_del_rec.c [2023-11-06 22:21:05,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/data/abec33a22/77ead4e6cfa3439abfe14621965b169d/FLAGfaf020669 [2023-11-06 22:21:05,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/data/abec33a22/77ead4e6cfa3439abfe14621965b169d [2023-11-06 22:21:05,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:21:05,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:21:05,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:05,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:21:05,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:21:05,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a0a5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05, skipping insertion in model container [2023-11-06 22:21:05,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:21:05,800 WARN L1577 CHandler]: Possible shadowing of function min [2023-11-06 22:21:05,804 WARN L1577 CHandler]: Possible shadowing of function min [2023-11-06 22:21:05,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:05,856 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 22:21:05,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:21:05,882 WARN L1577 CHandler]: Possible shadowing of function min [2023-11-06 22:21:05,885 WARN L1577 CHandler]: Possible shadowing of function min [2023-11-06 22:21:05,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:05,936 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:21:05,982 WARN L1577 CHandler]: Possible shadowing of function min [2023-11-06 22:21:05,984 WARN L1577 CHandler]: Possible shadowing of function min [2023-11-06 22:21:06,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:06,041 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:21:06,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06 WrapperNode [2023-11-06 22:21:06,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:06,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:06,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:21:06,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:21:06,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,124 INFO L138 Inliner]: procedures = 31, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-06 22:21:06,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:06,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:21:06,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:21:06,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:21:06,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:21:06,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:21:06,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:21:06,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:21:06,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:06,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:06,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:21:06,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:21:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:21:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:21:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:21:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:21:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2023-11-06 22:21:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2023-11-06 22:21:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure min [2023-11-06 22:21:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2023-11-06 22:21:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:21:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:21:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:21:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:21:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2023-11-06 22:21:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2023-11-06 22:21:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:21:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure size [2023-11-06 22:21:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2023-11-06 22:21:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:21:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:21:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:21:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:21:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2023-11-06 22:21:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2023-11-06 22:21:06,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:21:06,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:21:06,508 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:21:06,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:21:07,334 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:21:07,346 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:21:07,346 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:21:07,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:07 BoogieIcfgContainer [2023-11-06 22:21:07,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:21:07,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:21:07,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:21:07,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:21:07,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:21:05" (1/3) ... [2023-11-06 22:21:07,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638ed1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:07, skipping insertion in model container [2023-11-06 22:21:07,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (2/3) ... [2023-11-06 22:21:07,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638ed1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:07, skipping insertion in model container [2023-11-06 22:21:07,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:07" (3/3) ... [2023-11-06 22:21:07,361 INFO L112 eAbstractionObserver]: Analyzing ICFG tree_del_rec.c [2023-11-06 22:21:07,384 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:21:07,384 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2023-11-06 22:21:07,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:21:07,468 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;@2e35cd97, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:21:07,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2023-11-06 22:21:07,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 91 states have (on average 1.7472527472527473) internal successors, (159), 146 states have internal predecessors, (159), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:21:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 22:21:07,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:07,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:21:07,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:07,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:07,495 INFO L85 PathProgramCache]: Analyzing trace with hash -531887210, now seen corresponding path program 1 times [2023-11-06 22:21:07,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:07,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253785776] [2023-11-06 22:21:07,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:07,516 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 [2023-11-06 22:21:07,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:07,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:07,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:07,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:21:07,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:07,746 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:07,760 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:07,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:07,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253785776] [2023-11-06 22:21:07,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253785776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:07,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:07,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:21:07,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410684321] [2023-11-06 22:21:07,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:07,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:21:07,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:07,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:21:07,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:07,838 INFO L87 Difference]: Start difference. First operand has 176 states, 91 states have (on average 1.7472527472527473) internal successors, (159), 146 states have internal predecessors, (159), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:08,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:08,130 INFO L93 Difference]: Finished difference Result 176 states and 201 transitions. [2023-11-06 22:21:08,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:21:08,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-06 22:21:08,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:08,144 INFO L225 Difference]: With dead ends: 176 [2023-11-06 22:21:08,145 INFO L226 Difference]: Without dead ends: 173 [2023-11-06 22:21:08,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:08,150 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 6 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:08,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 328 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:21:08,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-06 22:21:08,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2023-11-06 22:21:08,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 88 states have (on average 1.6931818181818181) internal successors, (149), 141 states have internal predecessors, (149), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:21:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 193 transitions. [2023-11-06 22:21:08,211 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 193 transitions. Word has length 6 [2023-11-06 22:21:08,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:08,211 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 193 transitions. [2023-11-06 22:21:08,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 193 transitions. [2023-11-06 22:21:08,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 22:21:08,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:08,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:21:08,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:08,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:08,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:08,426 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash -531887209, now seen corresponding path program 1 times [2023-11-06 22:21:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:08,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658065568] [2023-11-06 22:21:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:08,427 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 [2023-11-06 22:21:08,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:08,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:08,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:08,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:21:08,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:08,526 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:21:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:08,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:08,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:08,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658065568] [2023-11-06 22:21:08,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658065568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:08,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:08,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:21:08,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581451828] [2023-11-06 22:21:08,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:08,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:21:08,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:08,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:21:08,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:08,549 INFO L87 Difference]: Start difference. First operand 171 states and 193 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:08,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:08,891 INFO L93 Difference]: Finished difference Result 170 states and 192 transitions. [2023-11-06 22:21:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:21:08,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-06 22:21:08,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:08,899 INFO L225 Difference]: With dead ends: 170 [2023-11-06 22:21:08,899 INFO L226 Difference]: Without dead ends: 170 [2023-11-06 22:21:08,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:08,901 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 2 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:08,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 329 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:21:08,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-06 22:21:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2023-11-06 22:21:08,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 88 states have (on average 1.6818181818181819) internal successors, (148), 140 states have internal predecessors, (148), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:21:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 192 transitions. [2023-11-06 22:21:08,927 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 192 transitions. Word has length 6 [2023-11-06 22:21:08,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:08,928 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 192 transitions. [2023-11-06 22:21:08,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:08,928 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 192 transitions. [2023-11-06 22:21:08,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:21:08,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:08,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:08,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:09,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:09,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting minErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:09,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1108808416, now seen corresponding path program 1 times [2023-11-06 22:21:09,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:09,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814040386] [2023-11-06 22:21:09,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:09,132 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 [2023-11-06 22:21:09,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:09,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:09,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:21:09,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:09,325 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:09,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:09,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814040386] [2023-11-06 22:21:09,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814040386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:09,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:09,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:09,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712365020] [2023-11-06 22:21:09,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:09,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:21:09,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:09,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:21:09,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:21:09,329 INFO L87 Difference]: Start difference. First operand 170 states and 192 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:21:09,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:09,576 INFO L93 Difference]: Finished difference Result 232 states and 270 transitions. [2023-11-06 22:21:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:09,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-06 22:21:09,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:09,582 INFO L225 Difference]: With dead ends: 232 [2023-11-06 22:21:09,583 INFO L226 Difference]: Without dead ends: 232 [2023-11-06 22:21:09,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:09,590 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 89 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:09,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 1113 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:21:09,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-06 22:21:09,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 178. [2023-11-06 22:21:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 146 states have internal predecessors, (153), 23 states have call successors, (23), 8 states have call predecessors, (23), 9 states have return successors, (26), 23 states have call predecessors, (26), 23 states have call successors, (26) [2023-11-06 22:21:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 202 transitions. [2023-11-06 22:21:09,633 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 202 transitions. Word has length 12 [2023-11-06 22:21:09,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:09,634 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 202 transitions. [2023-11-06 22:21:09,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:21:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 202 transitions. [2023-11-06 22:21:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 22:21:09,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:09,635 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:09,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:09,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:09,848 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:09,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:09,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1135169429, now seen corresponding path program 1 times [2023-11-06 22:21:09,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:09,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118158518] [2023-11-06 22:21:09,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:09,850 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 [2023-11-06 22:21:09,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:09,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:09,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:21:09,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:09,980 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:10,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:10,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:10,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118158518] [2023-11-06 22:21:10,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118158518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:10,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:10,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:21:10,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130135920] [2023-11-06 22:21:10,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:10,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:21:10,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:10,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:21:10,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:21:10,020 INFO L87 Difference]: Start difference. First operand 178 states and 202 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:21:10,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:10,678 INFO L93 Difference]: Finished difference Result 182 states and 206 transitions. [2023-11-06 22:21:10,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:21:10,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-06 22:21:10,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:10,681 INFO L225 Difference]: With dead ends: 182 [2023-11-06 22:21:10,681 INFO L226 Difference]: Without dead ends: 182 [2023-11-06 22:21:10,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:21:10,682 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 95 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:10,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 204 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:21:10,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-06 22:21:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 180. [2023-11-06 22:21:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 95 states have (on average 1.6526315789473685) internal successors, (157), 146 states have internal predecessors, (157), 23 states have call successors, (23), 8 states have call predecessors, (23), 9 states have return successors, (26), 25 states have call predecessors, (26), 23 states have call successors, (26) [2023-11-06 22:21:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 206 transitions. [2023-11-06 22:21:10,695 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 206 transitions. Word has length 13 [2023-11-06 22:21:10,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:10,696 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 206 transitions. [2023-11-06 22:21:10,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:21:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 206 transitions. [2023-11-06 22:21:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 22:21:10,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:10,697 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:10,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:10,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:10,910 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting nondet_treeErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:10,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:10,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1135169428, now seen corresponding path program 1 times [2023-11-06 22:21:10,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:10,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920164884] [2023-11-06 22:21:10,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:10,911 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 [2023-11-06 22:21:10,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:10,913 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:10,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:10,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:21:11,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:11,016 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:21:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:11,085 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:11,085 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920164884] [2023-11-06 22:21:11,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920164884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:11,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:11,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:21:11,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518034014] [2023-11-06 22:21:11,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:11,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:21:11,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:11,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:21:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:21:11,088 INFO L87 Difference]: Start difference. First operand 180 states and 206 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:21:11,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:11,829 INFO L93 Difference]: Finished difference Result 186 states and 216 transitions. [2023-11-06 22:21:11,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:21:11,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-06 22:21:11,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:11,832 INFO L225 Difference]: With dead ends: 186 [2023-11-06 22:21:11,832 INFO L226 Difference]: Without dead ends: 186 [2023-11-06 22:21:11,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:21:11,833 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 100 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:11,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 177 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:21:11,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-06 22:21:11,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2023-11-06 22:21:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 97 states have (on average 1.6288659793814433) internal successors, (158), 148 states have internal predecessors, (158), 24 states have call successors, (24), 8 states have call predecessors, (24), 9 states have return successors, (28), 26 states have call predecessors, (28), 24 states have call successors, (28) [2023-11-06 22:21:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 210 transitions. [2023-11-06 22:21:11,846 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 210 transitions. Word has length 13 [2023-11-06 22:21:11,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:11,847 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 210 transitions. [2023-11-06 22:21:11,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:21:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 210 transitions. [2023-11-06 22:21:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-06 22:21:11,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:11,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:11,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:12,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:12,061 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting sizeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:12,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:12,062 INFO L85 PathProgramCache]: Analyzing trace with hash 545720908, now seen corresponding path program 1 times [2023-11-06 22:21:12,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:12,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303291728] [2023-11-06 22:21:12,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:12,062 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 [2023-11-06 22:21:12,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:12,063 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:12,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-06 22:21:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:21:12,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:12,256 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:12,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:12,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303291728] [2023-11-06 22:21:12,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303291728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:12,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:12,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:12,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840973804] [2023-11-06 22:21:12,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:12,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:21:12,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:12,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:21:12,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:21:12,259 INFO L87 Difference]: Start difference. First operand 183 states and 210 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:21:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:12,424 INFO L93 Difference]: Finished difference Result 241 states and 282 transitions. [2023-11-06 22:21:12,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:12,424 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-11-06 22:21:12,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:12,427 INFO L225 Difference]: With dead ends: 241 [2023-11-06 22:21:12,427 INFO L226 Difference]: Without dead ends: 241 [2023-11-06 22:21:12,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:12,428 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 88 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:12,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 1111 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:21:12,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-06 22:21:12,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 205. [2023-11-06 22:21:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 111 states have (on average 1.5855855855855856) internal successors, (176), 162 states have internal predecessors, (176), 31 states have call successors, (31), 9 states have call predecessors, (31), 10 states have return successors, (35), 33 states have call predecessors, (35), 31 states have call successors, (35) [2023-11-06 22:21:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 242 transitions. [2023-11-06 22:21:12,442 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 242 transitions. Word has length 18 [2023-11-06 22:21:12,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:12,443 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 242 transitions. [2023-11-06 22:21:12,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:21:12,443 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 242 transitions. [2023-11-06 22:21:12,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-06 22:21:12,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:12,445 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:12,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:12,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:12,657 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:12,658 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:12,658 INFO L85 PathProgramCache]: Analyzing trace with hash 118724131, now seen corresponding path program 1 times [2023-11-06 22:21:12,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:12,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316756587] [2023-11-06 22:21:12,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:12,658 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 [2023-11-06 22:21:12,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:12,660 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:12,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-06 22:21:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:21:12,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:12,870 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:12,922 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (and (= |c_#valid| (store |c_old(#valid)| nondet_tree_~n~0.base (select |c_#valid| nondet_tree_~n~0.base))) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) is different from true [2023-11-06 22:21:13,075 INFO L322 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-06 22:21:13,076 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-11-06 22:21:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 8 not checked. [2023-11-06 22:21:13,088 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:13,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:13,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316756587] [2023-11-06 22:21:13,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316756587] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:13,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [498127675] [2023-11-06 22:21:13,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:13,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:13,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:21:13,325 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:21:13,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-06 22:21:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:13,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:21:13,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:13,595 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:13,618 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (= (store |c_old(#valid)| nondet_tree_~n~0.base (_ bv1 1)) |c_#valid|)) is different from true [2023-11-06 22:21:13,691 INFO L322 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-06 22:21:13,692 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-06 22:21:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 8 not checked. [2023-11-06 22:21:13,703 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:13,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [498127675] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:13,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:21:13,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2023-11-06 22:21:13,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625403654] [2023-11-06 22:21:13,847 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:21:13,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:21:13,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:13,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:21:13,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=14, Unknown=2, NotChecked=14, Total=42 [2023-11-06 22:21:13,849 INFO L87 Difference]: Start difference. First operand 205 states and 242 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:21:14,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:14,554 INFO L93 Difference]: Finished difference Result 212 states and 252 transitions. [2023-11-06 22:21:14,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:21:14,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 29 [2023-11-06 22:21:14,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:14,556 INFO L225 Difference]: With dead ends: 212 [2023-11-06 22:21:14,557 INFO L226 Difference]: Without dead ends: 212 [2023-11-06 22:21:14,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=19, Unknown=3, NotChecked=18, Total=56 [2023-11-06 22:21:14,558 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 100 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 404 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:14,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 203 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 264 Invalid, 0 Unknown, 404 Unchecked, 0.7s Time] [2023-11-06 22:21:14,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-11-06 22:21:14,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 209. [2023-11-06 22:21:14,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 114 states have (on average 1.5789473684210527) internal successors, (180), 165 states have internal predecessors, (180), 31 states have call successors, (31), 9 states have call predecessors, (31), 11 states have return successors, (39), 34 states have call predecessors, (39), 31 states have call successors, (39) [2023-11-06 22:21:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2023-11-06 22:21:14,576 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 29 [2023-11-06 22:21:14,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:14,577 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2023-11-06 22:21:14,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:21:14,578 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2023-11-06 22:21:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:21:14,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:14,587 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:14,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:14,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:15,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:15,001 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting nondet_treeErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:15,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:15,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1352622104, now seen corresponding path program 1 times [2023-11-06 22:21:15,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:15,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735499121] [2023-11-06 22:21:15,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:15,003 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 [2023-11-06 22:21:15,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:15,004 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:15,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-06 22:21:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:15,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:21:15,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:15,276 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:21:15,293 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:15,393 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (and (= (store |c_old(#length)| nondet_tree_~n~0.base (select |c_#length| nondet_tree_~n~0.base)) |c_#length|) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) is different from true [2023-11-06 22:21:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:21:15,560 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-06 22:21:15,588 INFO L322 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-06 22:21:15,588 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-06 22:21:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 8 not checked. [2023-11-06 22:21:15,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:15,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:15,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735499121] [2023-11-06 22:21:15,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735499121] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:15,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [121708750] [2023-11-06 22:21:15,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:15,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:15,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:21:15,875 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:21:15,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-06 22:21:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:16,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:21:16,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:16,239 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:21:16,246 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:21:16,432 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-06 22:21:16,447 INFO L322 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-06 22:21:16,447 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-06 22:21:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 8 not checked. [2023-11-06 22:21:16,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:16,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [121708750] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:16,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:21:16,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2023-11-06 22:21:16,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645230584] [2023-11-06 22:21:16,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:21:16,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:21:16,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:16,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:21:16,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2023-11-06 22:21:16,675 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:21:17,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:17,777 INFO L93 Difference]: Finished difference Result 216 states and 263 transitions. [2023-11-06 22:21:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:21:17,778 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2023-11-06 22:21:17,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:17,781 INFO L225 Difference]: With dead ends: 216 [2023-11-06 22:21:17,781 INFO L226 Difference]: Without dead ends: 216 [2023-11-06 22:21:17,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=49, Unknown=1, NotChecked=14, Total=90 [2023-11-06 22:21:17,782 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 187 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 213 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:17,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 217 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 448 Invalid, 0 Unknown, 213 Unchecked, 1.0s Time] [2023-11-06 22:21:17,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-06 22:21:17,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 212. [2023-11-06 22:21:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 116 states have (on average 1.5603448275862069) internal successors, (181), 167 states have internal predecessors, (181), 32 states have call successors, (32), 9 states have call predecessors, (32), 11 states have return successors, (42), 35 states have call predecessors, (42), 32 states have call successors, (42) [2023-11-06 22:21:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 255 transitions. [2023-11-06 22:21:17,801 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 255 transitions. Word has length 41 [2023-11-06 22:21:17,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:17,804 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 255 transitions. [2023-11-06 22:21:17,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:21:17,804 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 255 transitions. [2023-11-06 22:21:17,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 22:21:17,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:17,808 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:17,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:18,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:18,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:18,209 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting minErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:18,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:18,210 INFO L85 PathProgramCache]: Analyzing trace with hash 328538264, now seen corresponding path program 1 times [2023-11-06 22:21:18,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:18,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302237871] [2023-11-06 22:21:18,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:18,210 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 [2023-11-06 22:21:18,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:18,211 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:18,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-06 22:21:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:18,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:21:18,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:18,335 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:21:18,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:21:18,722 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:18,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302237871] [2023-11-06 22:21:18,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302237871] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:21:18,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:21:18,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2023-11-06 22:21:18,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285129190] [2023-11-06 22:21:18,724 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:21:18,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:21:18,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:18,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:21:18,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:21:18,725 INFO L87 Difference]: Start difference. First operand 212 states and 255 transitions. Second operand has 10 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 3 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:21:20,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:20,627 INFO L93 Difference]: Finished difference Result 229 states and 277 transitions. [2023-11-06 22:21:20,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:21:20,628 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 3 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2023-11-06 22:21:20,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:20,630 INFO L225 Difference]: With dead ends: 229 [2023-11-06 22:21:20,631 INFO L226 Difference]: Without dead ends: 229 [2023-11-06 22:21:20,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:21:20,633 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 171 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:20,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 610 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-06 22:21:20,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-11-06 22:21:20,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 221. [2023-11-06 22:21:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 126 states have (on average 1.5238095238095237) internal successors, (192), 174 states have internal predecessors, (192), 34 states have call successors, (34), 10 states have call predecessors, (34), 12 states have return successors, (44), 36 states have call predecessors, (44), 34 states have call successors, (44) [2023-11-06 22:21:20,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 270 transitions. [2023-11-06 22:21:20,649 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 270 transitions. Word has length 28 [2023-11-06 22:21:20,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:20,649 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 270 transitions. [2023-11-06 22:21:20,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 3 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:21:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 270 transitions. [2023-11-06 22:21:20,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 22:21:20,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:20,651 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:20,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:20,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:20,852 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting minErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:20,852 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:20,852 INFO L85 PathProgramCache]: Analyzing trace with hash 328538265, now seen corresponding path program 1 times [2023-11-06 22:21:20,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:20,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661551972] [2023-11-06 22:21:20,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:20,853 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 [2023-11-06 22:21:20,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:20,854 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:20,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-06 22:21:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:20,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:21:21,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:21,005 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:21:21,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:21:21,271 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:21:22,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:22,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661551972] [2023-11-06 22:21:22,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661551972] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:21:22,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:21:22,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-11-06 22:21:22,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337261051] [2023-11-06 22:21:22,412 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:21:22,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 22:21:22,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:22,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 22:21:22,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:21:22,414 INFO L87 Difference]: Start difference. First operand 221 states and 270 transitions. Second operand has 16 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 12 states have internal predecessors, (33), 5 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:21:27,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:27,917 INFO L93 Difference]: Finished difference Result 246 states and 306 transitions. [2023-11-06 22:21:27,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:21:27,919 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 12 states have internal predecessors, (33), 5 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 28 [2023-11-06 22:21:27,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:27,922 INFO L225 Difference]: With dead ends: 246 [2023-11-06 22:21:27,922 INFO L226 Difference]: Without dead ends: 246 [2023-11-06 22:21:27,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:21:27,923 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 245 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 1644 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:27,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 663 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1644 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-06 22:21:27,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-11-06 22:21:27,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 237. [2023-11-06 22:21:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 138 states have (on average 1.5) internal successors, (207), 186 states have internal predecessors, (207), 37 states have call successors, (37), 11 states have call predecessors, (37), 13 states have return successors, (47), 39 states have call predecessors, (47), 37 states have call successors, (47) [2023-11-06 22:21:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 291 transitions. [2023-11-06 22:21:27,937 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 291 transitions. Word has length 28 [2023-11-06 22:21:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:27,937 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 291 transitions. [2023-11-06 22:21:27,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 12 states have internal predecessors, (33), 5 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:21:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 291 transitions. [2023-11-06 22:21:27,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:21:27,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:27,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:27,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:28,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:28,154 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting tree_inorderErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:28,155 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:28,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1290991239, now seen corresponding path program 1 times [2023-11-06 22:21:28,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:28,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642884217] [2023-11-06 22:21:28,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:28,155 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 [2023-11-06 22:21:28,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:28,156 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:28,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 (14)] Waiting until timeout for monitored process [2023-11-06 22:21:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:28,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:21:28,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:28,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:28,302 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:28,302 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:28,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642884217] [2023-11-06 22:21:28,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642884217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:28,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:28,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:21:28,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178116548] [2023-11-06 22:21:28,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:28,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:21:28,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:28,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:21:28,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:21:28,306 INFO L87 Difference]: Start difference. First operand 237 states and 291 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:21:28,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:28,342 INFO L93 Difference]: Finished difference Result 227 states and 272 transitions. [2023-11-06 22:21:28,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:21:28,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2023-11-06 22:21:28,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:28,350 INFO L225 Difference]: With dead ends: 227 [2023-11-06 22:21:28,350 INFO L226 Difference]: Without dead ends: 211 [2023-11-06 22:21:28,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:21:28,352 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 0 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:28,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 742 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:21:28,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-11-06 22:21:28,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2023-11-06 22:21:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 121 states have (on average 1.537190082644628) internal successors, (186), 170 states have internal predecessors, (186), 29 states have call successors, (29), 9 states have call predecessors, (29), 12 states have return successors, (41), 31 states have call predecessors, (41), 29 states have call successors, (41) [2023-11-06 22:21:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 256 transitions. [2023-11-06 22:21:28,376 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 256 transitions. Word has length 31 [2023-11-06 22:21:28,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:28,377 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 256 transitions. [2023-11-06 22:21:28,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:21:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 256 transitions. [2023-11-06 22:21:28,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 22:21:28,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:28,400 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:28,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:28,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:28,612 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting sizeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:28,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:28,614 INFO L85 PathProgramCache]: Analyzing trace with hash -534256124, now seen corresponding path program 1 times [2023-11-06 22:21:28,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:28,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720791226] [2023-11-06 22:21:28,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:28,615 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 [2023-11-06 22:21:28,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:28,617 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:28,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-06 22:21:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:28,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:21:28,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:21:28,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:28,849 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:28,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720791226] [2023-11-06 22:21:28,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720791226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:28,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:28,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:21:28,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16031172] [2023-11-06 22:21:28,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:28,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:21:28,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:28,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:21:28,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:21:28,852 INFO L87 Difference]: Start difference. First operand 211 states and 256 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:21:29,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:29,154 INFO L93 Difference]: Finished difference Result 217 states and 265 transitions. [2023-11-06 22:21:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:29,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2023-11-06 22:21:29,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:29,156 INFO L225 Difference]: With dead ends: 217 [2023-11-06 22:21:29,156 INFO L226 Difference]: Without dead ends: 213 [2023-11-06 22:21:29,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:21:29,157 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 105 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:29,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 1062 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:21:29,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-06 22:21:29,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2023-11-06 22:21:29,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 121 states have (on average 1.5206611570247934) internal successors, (184), 170 states have internal predecessors, (184), 29 states have call successors, (29), 9 states have call predecessors, (29), 12 states have return successors, (41), 31 states have call predecessors, (41), 29 states have call successors, (41) [2023-11-06 22:21:29,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 254 transitions. [2023-11-06 22:21:29,168 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 254 transitions. Word has length 34 [2023-11-06 22:21:29,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:29,169 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 254 transitions. [2023-11-06 22:21:29,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:21:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 254 transitions. [2023-11-06 22:21:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 22:21:29,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:29,170 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:29,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-06 22:21:29,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:29,382 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting minErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:29,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:29,382 INFO L85 PathProgramCache]: Analyzing trace with hash -2032263607, now seen corresponding path program 1 times [2023-11-06 22:21:29,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:29,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906909399] [2023-11-06 22:21:29,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:29,383 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 [2023-11-06 22:21:29,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:29,384 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:29,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-06 22:21:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:29,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-06 22:21:29,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:29,607 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-06 22:21:29,615 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-06 22:21:29,702 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-06 22:21:29,712 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-06 22:21:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:21:30,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:21:31,254 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:31,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906909399] [2023-11-06 22:21:31,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906909399] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:21:31,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:21:31,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2023-11-06 22:21:31,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905979891] [2023-11-06 22:21:31,255 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:21:31,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:21:31,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:31,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:21:31,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:21:31,257 INFO L87 Difference]: Start difference. First operand 211 states and 254 transitions. Second operand has 15 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:21:33,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:33,836 INFO L93 Difference]: Finished difference Result 241 states and 296 transitions. [2023-11-06 22:21:33,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:21:33,837 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2023-11-06 22:21:33,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:33,839 INFO L225 Difference]: With dead ends: 241 [2023-11-06 22:21:33,839 INFO L226 Difference]: Without dead ends: 241 [2023-11-06 22:21:33,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:21:33,840 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 137 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:33,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1533 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:21:33,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-06 22:21:33,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 215. [2023-11-06 22:21:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 124 states have (on average 1.5080645161290323) internal successors, (187), 173 states have internal predecessors, (187), 29 states have call successors, (29), 10 states have call predecessors, (29), 13 states have return successors, (41), 31 states have call predecessors, (41), 29 states have call successors, (41) [2023-11-06 22:21:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 257 transitions. [2023-11-06 22:21:33,872 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 257 transitions. Word has length 34 [2023-11-06 22:21:33,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:33,873 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 257 transitions. [2023-11-06 22:21:33,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:21:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 257 transitions. [2023-11-06 22:21:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-06 22:21:33,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:33,876 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:21:33,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:34,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:21:34,089 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting nondet_treeErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:34,090 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:34,090 INFO L85 PathProgramCache]: Analyzing trace with hash 705617593, now seen corresponding path program 1 times [2023-11-06 22:21:34,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:34,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332613903] [2023-11-06 22:21:34,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:34,091 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 [2023-11-06 22:21:34,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:34,093 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:34,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 (17)] Waiting until timeout for monitored process [2023-11-06 22:21:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:34,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:21:34,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:34,496 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:34,502 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:21:34,626 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (and (= (store |c_old(#length)| nondet_tree_~n~0.base (select |c_#length| nondet_tree_~n~0.base)) |c_#length|) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) is different from true [2023-11-06 22:21:34,699 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (= (store |c_old(#length)| nondet_tree_~n~0.base (_ bv12 32)) |c_#length|)) is different from true [2023-11-06 22:21:35,041 INFO L322 Elim1Store]: treesize reduction 56, result has 28.2 percent of original size [2023-11-06 22:21:35,041 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 76 [2023-11-06 22:21:35,128 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:21:35,128 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 55 [2023-11-06 22:21:35,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:35,547 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:35,560 INFO L322 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2023-11-06 22:21:35,560 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 7 [2023-11-06 22:21:35,619 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:21:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 66 proven. 31 refuted. 0 times theorem prover too weak. 26 trivial. 31 not checked. [2023-11-06 22:21:36,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:38,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:38,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332613903] [2023-11-06 22:21:38,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332613903] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:38,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [933754298] [2023-11-06 22:21:38,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:38,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:38,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:21:38,833 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:21:38,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-11-06 22:21:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:39,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:21:39,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:39,324 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:21:39,330 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:39,799 INFO L322 Elim1Store]: treesize reduction 56, result has 28.2 percent of original size [2023-11-06 22:21:39,800 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 76 [2023-11-06 22:21:39,888 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:21:39,888 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 55 [2023-11-06 22:21:40,310 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:40,312 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:40,326 INFO L322 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2023-11-06 22:21:40,326 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 7 [2023-11-06 22:21:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 66 proven. 31 refuted. 0 times theorem prover too weak. 26 trivial. 31 not checked. [2023-11-06 22:21:40,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:42,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [933754298] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:42,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:21:42,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2023-11-06 22:21:42,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799234904] [2023-11-06 22:21:42,170 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:21:42,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:21:42,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:42,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:21:42,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=53, Unknown=3, NotChecked=30, Total=110 [2023-11-06 22:21:42,172 INFO L87 Difference]: Start difference. First operand 215 states and 257 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-06 22:21:44,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:46,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:46,684 WARN L861 $PredicateComparison]: unable to prove that (and (or (exists ((v_nondet_tree_~n~0.base_39 (_ BitVec 32))) (and (= (select |c_old(#valid)| v_nondet_tree_~n~0.base_39) (_ bv0 1)) (= |c_#length| (store |c_old(#length)| v_nondet_tree_~n~0.base_39 (_ bv12 32))))) (exists ((v_nondet_tree_~n~0.base_39 (_ BitVec 32)) (nondet_tree_~n~0.base (_ BitVec 32))) (and (= (select |c_old(#valid)| v_nondet_tree_~n~0.base_39) (_ bv0 1)) (= |c_#length| (store (store |c_old(#length)| v_nondet_tree_~n~0.base_39 (select |c_#length| v_nondet_tree_~n~0.base_39)) nondet_tree_~n~0.base (_ bv12 32))) (not (= v_nondet_tree_~n~0.base_39 nondet_tree_~n~0.base))))) (= (_ bv0 32) c_nondet_tree_~n~0.offset) (let ((.cse2 (= (select |c_#length| c_nondet_tree_~n~0.base) (_ bv12 32)))) (or (and (exists ((v_DerPreprocessor_5 (_ BitVec 32)) (v_nondet_tree_~n~0.base_39 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_prenex_4 (_ BitVec 32)) (v_prenex_3 (_ BitVec 32))) (let ((.cse1 (store (store (store |c_#length| v_nondet_tree_~n~0.base_39 v_DerPreprocessor_4) v_prenex_3 v_DerPreprocessor_5) v_prenex_4 (_ bv12 32)))) (let ((.cse0 (select .cse1 v_prenex_3))) (and (= (select |c_#length| v_prenex_3) .cse0) (not (= v_nondet_tree_~n~0.base_39 v_prenex_3)) (not (= v_nondet_tree_~n~0.base_39 c_nondet_tree_~n~0.base)) (= v_DerPreprocessor_4 (select .cse1 v_nondet_tree_~n~0.base_39)) (= v_DerPreprocessor_5 .cse0) (= (select |c_#length| v_nondet_tree_~n~0.base_39) (_ bv12 32)))))) .cse2) (and (exists ((v_prenex_4 (_ BitVec 32))) (= (select |c_#length| v_prenex_4) (_ bv12 32))) .cse2) (and .cse2 (exists ((v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_nondet_tree_~n~0.base_39 (_ BitVec 32)) (v_prenex_4 (_ BitVec 32)) (v_prenex_3 (_ BitVec 32))) (let ((.cse4 (store (store (store |c_#length| v_nondet_tree_~n~0.base_39 v_DerPreprocessor_6) v_prenex_3 v_DerPreprocessor_7) v_prenex_4 (_ bv12 32)))) (let ((.cse3 (select .cse4 v_prenex_3))) (and (= v_DerPreprocessor_7 .cse3) (not (= v_prenex_3 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_3) .cse3) (not (= v_nondet_tree_~n~0.base_39 c_nondet_tree_~n~0.base)) (= v_DerPreprocessor_6 (select .cse4 v_nondet_tree_~n~0.base_39)) (= (select |c_#length| v_nondet_tree_~n~0.base_39) (_ bv12 32))))))) (and (exists ((v_nondet_tree_~n~0.base_39 (_ BitVec 32)) (v_prenex_4 (_ BitVec 32))) (and (not (= v_nondet_tree_~n~0.base_39 c_nondet_tree_~n~0.base)) (not (= v_nondet_tree_~n~0.base_39 v_prenex_4)) (= (select |c_#length| v_nondet_tree_~n~0.base_39) (_ bv12 32)))) .cse2) (and .cse2 (exists ((v_nondet_tree_~n~0.base_39 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_prenex_4 (_ BitVec 32))) (and (not (= v_prenex_4 c_nondet_tree_~n~0.base)) (not (= v_nondet_tree_~n~0.base_39 c_nondet_tree_~n~0.base)) (= (select (store (store |c_#length| v_nondet_tree_~n~0.base_39 v_DerPreprocessor_3) v_prenex_4 (_ bv12 32)) v_nondet_tree_~n~0.base_39) v_DerPreprocessor_3) (= (select |c_#length| v_nondet_tree_~n~0.base_39) (_ bv12 32)))))))) is different from true [2023-11-06 22:21:49,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:52,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:54,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:55,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:55,094 INFO L93 Difference]: Finished difference Result 227 states and 282 transitions. [2023-11-06 22:21:55,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:21:55,095 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) Word has length 64 [2023-11-06 22:21:55,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:55,097 INFO L225 Difference]: With dead ends: 227 [2023-11-06 22:21:55,097 INFO L226 Difference]: Without dead ends: 227 [2023-11-06 22:21:55,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 120 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=41, Invalid=77, Unknown=4, NotChecked=60, Total=182 [2023-11-06 22:21:55,098 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 181 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 54 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 449 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:55,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 254 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 580 Invalid, 22 Unknown, 449 Unchecked, 12.8s Time] [2023-11-06 22:21:55,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-11-06 22:21:55,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 222. [2023-11-06 22:21:55,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 129 states have (on average 1.4883720930232558) internal successors, (192), 178 states have internal predecessors, (192), 30 states have call successors, (30), 10 states have call predecessors, (30), 14 states have return successors, (50), 33 states have call predecessors, (50), 30 states have call successors, (50) [2023-11-06 22:21:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 272 transitions. [2023-11-06 22:21:55,110 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 272 transitions. Word has length 64 [2023-11-06 22:21:55,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:55,111 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 272 transitions. [2023-11-06 22:21:55,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-06 22:21:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 272 transitions. [2023-11-06 22:21:55,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:21:55,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:55,113 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-11-06 22:21:55,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:55,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:55,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:55,527 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting nondet_treeErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:21:55,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:55,528 INFO L85 PathProgramCache]: Analyzing trace with hash 504607084, now seen corresponding path program 2 times [2023-11-06 22:21:55,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:55,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094744133] [2023-11-06 22:21:55,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:21:55,528 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 [2023-11-06 22:21:55,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:55,529 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:21:55,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 (19)] Waiting until timeout for monitored process [2023-11-06 22:21:55,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:21:55,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:21:55,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:21:55,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:55,784 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:21:55,792 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:55,876 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (and (= (store |c_old(#length)| nondet_tree_~n~0.base (select |c_#length| nondet_tree_~n~0.base)) |c_#length|) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) is different from true [2023-11-06 22:21:55,919 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (= (store |c_old(#length)| nondet_tree_~n~0.base (_ bv12 32)) |c_#length|)) is different from true [2023-11-06 22:21:56,359 INFO L322 Elim1Store]: treesize reduction 56, result has 28.2 percent of original size [2023-11-06 22:21:56,359 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 76 [2023-11-06 22:21:56,471 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:21:56,471 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 55 [2023-11-06 22:21:57,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:57,375 INFO L322 Elim1Store]: treesize reduction 65, result has 11.0 percent of original size [2023-11-06 22:21:57,376 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 34 treesize of output 25 [2023-11-06 22:21:57,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:57,471 INFO L322 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-06 22:21:57,472 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 17 [2023-11-06 22:21:57,491 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:57,539 INFO L322 Elim1Store]: treesize reduction 91, result has 8.1 percent of original size [2023-11-06 22:21:57,539 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 25 [2023-11-06 22:21:57,561 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:57,572 INFO L322 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2023-11-06 22:21:57,572 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 12 [2023-11-06 22:21:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 23 not checked. [2023-11-06 22:21:57,727 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:58,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:58,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094744133] [2023-11-06 22:21:58,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094744133] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:58,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2096430186] [2023-11-06 22:21:58,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:21:58,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:58,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:21:58,111 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:21:58,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-11-06 22:21:58,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:21:58,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:21:58,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:21:58,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:58,471 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:21:58,478 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:21:59,017 INFO L322 Elim1Store]: treesize reduction 56, result has 28.2 percent of original size [2023-11-06 22:21:59,018 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 76 [2023-11-06 22:21:59,110 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:21:59,111 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 55 [2023-11-06 22:21:59,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:21:59,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:21:59,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:21:59,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:59,593 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:21:59,597 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:21:59,598 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 7 [2023-11-06 22:21:59,958 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 23 not checked. [2023-11-06 22:21:59,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:02,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2096430186] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:02,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:22:02,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2023-11-06 22:22:02,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669859514] [2023-11-06 22:22:02,453 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:02,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:22:02,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:22:02,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:22:02,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=54, Unknown=2, NotChecked=30, Total=110 [2023-11-06 22:22:02,455 INFO L87 Difference]: Start difference. First operand 222 states and 272 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:22:04,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:06,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:09,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:12,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:15,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:16,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:16,151 INFO L93 Difference]: Finished difference Result 235 states and 301 transitions. [2023-11-06 22:22:16,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:22:16,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 45 [2023-11-06 22:22:16,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:16,154 INFO L225 Difference]: With dead ends: 235 [2023-11-06 22:22:16,154 INFO L226 Difference]: Without dead ends: 235 [2023-11-06 22:22:16,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=56, Invalid=106, Unknown=2, NotChecked=46, Total=210 [2023-11-06 22:22:16,155 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 188 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 60 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 455 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:16,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 250 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 570 Invalid, 21 Unknown, 455 Unchecked, 13.2s Time] [2023-11-06 22:22:16,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-06 22:22:16,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 229. [2023-11-06 22:22:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 134 states have (on average 1.4701492537313432) internal successors, (197), 183 states have internal predecessors, (197), 31 states have call successors, (31), 10 states have call predecessors, (31), 15 states have return successors, (61), 35 states have call predecessors, (61), 31 states have call successors, (61) [2023-11-06 22:22:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 289 transitions. [2023-11-06 22:22:16,168 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 289 transitions. Word has length 45 [2023-11-06 22:22:16,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:16,168 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 289 transitions. [2023-11-06 22:22:16,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:22:16,169 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 289 transitions. [2023-11-06 22:22:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:22:16,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:16,170 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:16,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-11-06 22:22:16,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:16,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:22:16,574 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting minErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:22:16,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:16,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2084366929, now seen corresponding path program 2 times [2023-11-06 22:22:16,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:16,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025562686] [2023-11-06 22:22:16,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:22:16,575 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 [2023-11-06 22:22:16,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:16,577 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:22:16,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 (21)] Waiting until timeout for monitored process [2023-11-06 22:22:16,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:22:16,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:22:16,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:22:16,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-06 22:22:16,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:17,547 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-06 22:22:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-06 22:22:17,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:17,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025562686] [2023-11-06 22:22:17,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1025562686] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:22:17,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:22:17,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-11-06 22:22:17,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351436403] [2023-11-06 22:22:17,733 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:17,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 22:22:17,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:22:17,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 22:22:17,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:22:17,734 INFO L87 Difference]: Start difference. First operand 229 states and 289 transitions. Second operand has 16 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-06 22:22:20,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:20,449 INFO L93 Difference]: Finished difference Result 231 states and 292 transitions. [2023-11-06 22:22:20,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:22:20,450 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 44 [2023-11-06 22:22:20,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:20,451 INFO L225 Difference]: With dead ends: 231 [2023-11-06 22:22:20,452 INFO L226 Difference]: Without dead ends: 231 [2023-11-06 22:22:20,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:22:20,453 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 55 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:20,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1339 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 22:22:20,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-06 22:22:20,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2023-11-06 22:22:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 134 states have (on average 1.4477611940298507) internal successors, (194), 183 states have internal predecessors, (194), 31 states have call successors, (31), 10 states have call predecessors, (31), 15 states have return successors, (61), 35 states have call predecessors, (61), 31 states have call successors, (61) [2023-11-06 22:22:20,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 286 transitions. [2023-11-06 22:22:20,465 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 286 transitions. Word has length 44 [2023-11-06 22:22:20,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:20,465 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 286 transitions. [2023-11-06 22:22:20,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-06 22:22:20,466 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 286 transitions. [2023-11-06 22:22:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-06 22:22:20,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:20,467 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2023-11-06 22:22:20,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:20,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:22:20,680 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting nondet_treeErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [nondet_treeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, nondet_treeErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 52 more)] === [2023-11-06 22:22:20,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:20,680 INFO L85 PathProgramCache]: Analyzing trace with hash 45008276, now seen corresponding path program 3 times [2023-11-06 22:22:20,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:20,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159210368] [2023-11-06 22:22:20,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:22:20,681 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 [2023-11-06 22:22:20,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:20,681 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:22:20,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/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 (22)] Waiting until timeout for monitored process [2023-11-06 22:22:21,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-06 22:22:21,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:22:21,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:22:21,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:21,120 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:22:21,236 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (= (store |c_old(#length)| nondet_tree_~n~0.base (_ bv12 32)) |c_#length|)) is different from true [2023-11-06 22:22:21,355 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (= (store (store |c_old(#length)| nondet_tree_~n~0.base (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32)) |c_#length|)) is different from true [2023-11-06 22:22:23,757 INFO L322 Elim1Store]: treesize reduction 172, result has 22.2 percent of original size [2023-11-06 22:22:23,757 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 65 treesize of output 182 [2023-11-06 22:22:26,195 INFO L217 Elim1Store]: Index analysis took 108 ms [2023-11-06 22:22:26,204 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:26,206 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:26,207 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:26,208 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:26,209 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:26,210 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:26,989 INFO L322 Elim1Store]: treesize reduction 355, result has 0.3 percent of original size [2023-11-06 22:22:26,989 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 14 case distinctions, treesize of input 59 treesize of output 48 [2023-11-06 22:22:27,277 INFO L217 Elim1Store]: Index analysis took 161 ms [2023-11-06 22:22:27,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:27,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:27,304 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:27,305 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:27,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:28,222 INFO L322 Elim1Store]: treesize reduction 355, result has 0.3 percent of original size [2023-11-06 22:22:28,222 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 13 case distinctions, treesize of input 59 treesize of output 48 [2023-11-06 22:22:35,619 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:35,688 INFO L322 Elim1Store]: treesize reduction 160, result has 3.0 percent of original size [2023-11-06 22:22:35,689 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 22:22:35,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:35,955 INFO L322 Elim1Store]: treesize reduction 256, result has 7.9 percent of original size [2023-11-06 22:22:35,956 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 47 treesize of output 41 [2023-11-06 22:22:37,530 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:37,597 INFO L322 Elim1Store]: treesize reduction 160, result has 3.0 percent of original size [2023-11-06 22:22:37,597 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 22:22:38,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:38,083 INFO L322 Elim1Store]: treesize reduction 62, result has 7.5 percent of original size [2023-11-06 22:22:38,083 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 17 [2023-11-06 22:22:38,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:38,687 INFO L322 Elim1Store]: treesize reduction 64, result has 7.2 percent of original size [2023-11-06 22:22:38,687 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 28 treesize of output 17 [2023-11-06 22:22:38,715 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:22:38,793 INFO L322 Elim1Store]: treesize reduction 142, result has 3.4 percent of original size [2023-11-06 22:22:38,793 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 38 treesize of output 20 [2023-11-06 22:22:41,287 WARN L839 $PredicateComparison]: unable to prove that (and (= (_ bv0 32) c_nondet_tree_~n~0.offset) (let ((.cse22 (select |c_#length| c_nondet_tree_~n~0.base))) (let ((.cse3 (= .cse22 (_ bv12 32)))) (or (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_31 (_ BitVec 32)) (v_DerPreprocessor_32 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse2 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_31) v_prenex_56 v_DerPreprocessor_32))) (let ((.cse1 (store (store .cse2 v_prenex_53 (_ bv12 32)) v_prenex_54 (_ bv12 32))) (.cse0 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (_ bv12 32) (select .cse0 c_nondet_tree_~n~0.base)) (= (select .cse1 v_prenex_56) v_DerPreprocessor_32) (= (select .cse1 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse1 v_prenex_55) v_DerPreprocessor_31) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse0 v_prenex_56) v_DerPreprocessor_27) (= .cse0 (store (store (store (store .cse2 v_prenex_53 (select .cse0 v_prenex_53)) v_prenex_54 (select .cse0 v_prenex_54)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32))) (= (select .cse0 v_prenex_55) v_DerPreprocessor_26))))) .cse3) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_DerPreprocessor_33 (_ BitVec 32)) (v_DerPreprocessor_34 (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse6 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_33) v_prenex_56 v_DerPreprocessor_34))) (let ((.cse4 (store (store .cse6 v_prenex_54 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32))) (.cse5 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (select .cse4 v_prenex_56) v_DerPreprocessor_34) (= (select .cse4 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (_ bv12 32) (select .cse5 c_nondet_tree_~n~0.base)) (= (store (store (store (store .cse6 v_prenex_54 (select .cse5 v_prenex_54)) v_nondet_tree_~n~0.base_89 (select .cse5 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse5) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse5 v_prenex_56) v_DerPreprocessor_27) (= (select .cse4 v_prenex_55) v_DerPreprocessor_33) (= (select .cse5 v_prenex_55) v_DerPreprocessor_26))))) .cse3) (and .cse3 (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_40 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_DerPreprocessor_39 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse9 (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_39) v_prenex_56 v_DerPreprocessor_40) c_nondet_tree_~n~0.base (_ bv12 32)))) (let ((.cse8 (store (store .cse9 v_prenex_53 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32))) (.cse7 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (_ bv12 32) (select .cse7 c_nondet_tree_~n~0.base)) (= (select .cse8 v_prenex_56) v_DerPreprocessor_40) (= (store (store (store (store .cse9 v_prenex_53 (select .cse7 v_prenex_53)) v_nondet_tree_~n~0.base_89 (select .cse7 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse7) (= (select .cse8 v_prenex_55) v_DerPreprocessor_39) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse7 v_prenex_56) v_DerPreprocessor_27) (= (select .cse7 v_prenex_55) v_DerPreprocessor_26)))))) (and .cse3 (exists ((|nondet_tree_#res.base| (_ BitVec 32))) (= (select |c_#length| |nondet_tree_#res.base|) (_ bv12 32))) (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32))) (= (select |c_#length| v_nondet_tree_~n~0.base_90) (_ bv12 32)))) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_37 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32)) (v_DerPreprocessor_38 (_ BitVec 32))) (let ((.cse10 (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_37) v_prenex_56 v_DerPreprocessor_38) c_nondet_tree_~n~0.base (_ bv12 32)))) (let ((.cse12 (store .cse10 v_nondet_tree_~n~0.base_89 (_ bv12 32))) (.cse11 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (store (store (store .cse10 v_nondet_tree_~n~0.base_89 (select .cse11 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse11) (= (select .cse12 v_prenex_55) v_DerPreprocessor_37) (= (_ bv12 32) (select .cse11 c_nondet_tree_~n~0.base)) (= (select .cse12 v_prenex_56) v_DerPreprocessor_38) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse11 v_prenex_56) v_DerPreprocessor_27) (= (select .cse11 v_prenex_55) v_DerPreprocessor_26))))) .cse3) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_35 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_DerPreprocessor_36 (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse14 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_35) v_prenex_56 v_DerPreprocessor_36))) (let ((.cse13 (store (store .cse14 v_prenex_53 (_ bv12 32)) c_nondet_tree_~n~0.base (_ bv12 32))) (.cse15 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (select .cse13 v_prenex_56) v_DerPreprocessor_36) (= (select .cse13 v_prenex_55) v_DerPreprocessor_35) (= (store (store (store (store .cse14 v_prenex_53 (select .cse15 v_prenex_53)) c_nondet_tree_~n~0.base (_ bv12 32)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse15) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse15 v_prenex_56) v_DerPreprocessor_27) (= (select .cse15 v_prenex_55) v_DerPreprocessor_26))))) .cse3) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (let ((.cse16 (store (store (store (store (store |c_#length| v_prenex_54 v_DerPreprocessor_23) v_prenex_53 v_DerPreprocessor_24) v_nondet_tree_~n~0.base_89 v_DerPreprocessor_25) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select .cse16 v_prenex_53) v_DerPreprocessor_24) (bvule (_ bv12 32) (select |c_#length| v_prenex_54)) (not (= v_prenex_53 v_prenex_54)) (= (select .cse16 v_nondet_tree_~n~0.base_89) v_DerPreprocessor_25) (= (select |c_#length| v_nondet_tree_~n~0.base_89) (_ bv12 32)) (= (select |c_#length| v_prenex_53) (_ bv12 32)) (not (= v_nondet_tree_~n~0.base_89 v_prenex_54)) (= (select .cse16 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse16 v_prenex_54) v_DerPreprocessor_23)))) .cse3) (and .cse3 (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_30 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse20 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_28) v_prenex_56 v_DerPreprocessor_29))) (let ((.cse17 (store (store (store .cse20 v_prenex_54 v_DerPreprocessor_30) v_prenex_53 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32)))) (let ((.cse18 (select .cse17 v_prenex_54)) (.cse19 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (select .cse17 v_prenex_56) v_DerPreprocessor_29) (= .cse18 (select |c_#length| v_prenex_54)) (= (select .cse17 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse17 v_prenex_55) v_DerPreprocessor_28) (= (_ bv12 32) (select .cse19 c_nondet_tree_~n~0.base)) (= .cse19 (store (store (store (store (store .cse20 v_prenex_54 (select .cse19 v_prenex_54)) v_prenex_53 (select .cse19 v_prenex_53)) v_nondet_tree_~n~0.base_89 (select .cse19 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32))) (= .cse18 v_DerPreprocessor_30) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse19 v_prenex_56) v_DerPreprocessor_27) (= (select .cse19 v_prenex_55) v_DerPreprocessor_26))))))) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (let ((.cse21 (store (store (store (store (store |c_#length| c_nondet_tree_~n~0.base (_ bv12 32)) v_prenex_53 v_DerPreprocessor_24) v_nondet_tree_~n~0.base_89 v_DerPreprocessor_25) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_nondet_tree_~n~0.base_89) (_ bv12 32)) (not (= v_prenex_53 c_nondet_tree_~n~0.base)) (not (= v_nondet_tree_~n~0.base_89 c_nondet_tree_~n~0.base)) (= (select .cse21 v_nondet_tree_~n~0.base_89) v_DerPreprocessor_25) (= (select |c_#length| v_prenex_53) (_ bv12 32)) (= (select .cse21 v_prenex_53) v_DerPreprocessor_24)))) (bvule (_ bv12 32) .cse22)))))) is different from false [2023-11-06 22:22:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 49 not checked. [2023-11-06 22:22:41,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:46,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:46,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159210368] [2023-11-06 22:22:46,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159210368] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:46,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [107483862] [2023-11-06 22:22:46,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:22:46,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:22:46,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:22:46,628 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:22:46,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5115ed-8b64-4ee2-950a-37c21dbea0e5/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-11-06 22:22:47,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-06 22:22:47,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:22:47,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:22:47,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:47,626 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 22:22:47,644 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 22:22:47,997 WARN L861 $PredicateComparison]: unable to prove that (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (and (= (store |c_old(#length)| nondet_tree_~n~0.base (select |c_#length| nondet_tree_~n~0.base)) |c_#length|) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) is different from true [2023-11-06 22:22:48,641 WARN L861 $PredicateComparison]: unable to prove that (exists ((|nondet_tree_#t~ret9.base| (_ BitVec 32))) (= (store (store |c_old(#length)| c_nondet_tree_~n~0.base (_ bv12 32)) |nondet_tree_#t~ret9.base| (_ bv12 32)) |c_#length|)) is different from true [2023-11-06 22:22:48,671 WARN L861 $PredicateComparison]: unable to prove that (exists ((|nondet_tree_#t~ret9.base| (_ BitVec 32))) (= (store (store |c_old(#length)| |c_nondet_tree_#res.base| (_ bv12 32)) |nondet_tree_#t~ret9.base| (_ bv12 32)) |c_#length|)) is different from true [2023-11-06 22:22:58,010 INFO L322 Elim1Store]: treesize reduction 176, result has 20.4 percent of original size [2023-11-06 22:22:58,011 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 65 treesize of output 178 [2023-11-06 22:22:58,431 INFO L217 Elim1Store]: Index analysis took 244 ms [2023-11-06 22:22:59,298 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:22:59,298 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 96 [2023-11-06 22:23:15,407 INFO L217 Elim1Store]: Index analysis took 343 ms [2023-11-06 22:23:15,423 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:15,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:15,425 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:15,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:15,455 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:15,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:16,335 INFO L322 Elim1Store]: treesize reduction 249, result has 0.4 percent of original size [2023-11-06 22:23:16,336 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 59 treesize of output 48 [2023-11-06 22:23:16,714 INFO L217 Elim1Store]: Index analysis took 191 ms [2023-11-06 22:23:16,716 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:16,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:16,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:16,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:16,734 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:16,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:17,587 INFO L322 Elim1Store]: treesize reduction 305, result has 0.3 percent of original size [2023-11-06 22:23:17,588 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 13 case distinctions, treesize of input 59 treesize of output 48 [2023-11-06 22:23:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:23:18,769 INFO L217 Elim1Store]: Index analysis took 564 ms [2023-11-06 22:23:18,793 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:18,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:18,795 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:18,849 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:18,850 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:18,851 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:19,742 INFO L322 Elim1Store]: treesize reduction 269, result has 0.4 percent of original size [2023-11-06 22:23:19,743 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 13 case distinctions, treesize of input 59 treesize of output 48 [2023-11-06 22:23:20,517 INFO L217 Elim1Store]: Index analysis took 521 ms [2023-11-06 22:23:20,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:20,561 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:20,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:20,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:20,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:20,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:21,651 INFO L322 Elim1Store]: treesize reduction 290, result has 0.3 percent of original size [2023-11-06 22:23:21,651 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 13 case distinctions, treesize of input 59 treesize of output 48 [2023-11-06 22:23:22,102 INFO L217 Elim1Store]: Index analysis took 268 ms [2023-11-06 22:23:22,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:22,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:22,106 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:22,145 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:22,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:22,147 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:23,305 INFO L322 Elim1Store]: treesize reduction 346, result has 0.3 percent of original size [2023-11-06 22:23:23,305 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 14 case distinctions, treesize of input 59 treesize of output 48 [2023-11-06 22:23:25,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:25,432 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:25,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:23:25,582 INFO L322 Elim1Store]: treesize reduction 184, result has 0.5 percent of original size [2023-11-06 22:23:25,582 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 10 [2023-11-06 22:24:19,574 WARN L839 $PredicateComparison]: unable to prove that (and (= (_ bv0 32) c_nondet_tree_~n~0.offset) (let ((.cse1 (= (select |c_#length| c_nondet_tree_~n~0.base) (_ bv12 32)))) (or (and (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_44 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_45 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse0 (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_44) v_prenex_173 v_DerPreprocessor_45) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (not (= v_prenex_173 c_nondet_tree_~n~0.base)) (= (select .cse0 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse0 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_44) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse0 v_prenex_173) v_DerPreprocessor_45)))) .cse1) (and (exists ((v_prenex_174 (_ BitVec 32))) (= (select |c_#length| v_prenex_174) (_ bv12 32))) .cse1 (exists ((v_prenex_176 (_ BitVec 32))) (= (select |c_#length| v_prenex_176) (_ bv12 32)))) (and (or (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_114 (_ BitVec 32)) (v_DerPreprocessor_115 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse2 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_114) v_prenex_173 v_DerPreprocessor_115) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= v_DerPreprocessor_115 (select .cse2 v_prenex_173)) (= (select .cse2 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse2 v_prenex_177) v_DerPreprocessor_114) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_121 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse3 (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse3 v_prenex_174) v_DerPreprocessor_43) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_121) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_121) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse3 c_nondet_tree_~n~0.base) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_119 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (and (= (select (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_119) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) |v_nondet_tree_#t~ret9.base_127|) v_DerPreprocessor_119) (not (= c_nondet_tree_~n~0.base |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_127 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse4 (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_127) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_127) (= (select .cse4 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse4 v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_113 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse5 (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_113) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse5 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select .cse5 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_126 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse6 (store (store (store (store |c_#length| v_prenex_177 (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_126) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177)) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse6 v_prenex_174) v_DerPreprocessor_43) (not (= v_prenex_177 v_prenex_173)) (= (select .cse6 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_106 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse7 (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse7 v_prenex_176) v_DerPreprocessor_43) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_106) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_106) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse7 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_104 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse8 (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_104) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse8 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (= (_ bv12 32) (select .cse8 c_nondet_tree_~n~0.base)) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_105 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_105) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_105) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_128 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse9 (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse9 v_prenex_174) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (= (select .cse9 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_128) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_128) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (and (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_43))) (exists ((v_DerPreprocessor_110 (_ BitVec 32)) (v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_111 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_110) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_111) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32)) (v_DerPreprocessor_120 (_ BitVec 32))) (let ((.cse10 (store (store (store (store |c_#length| v_prenex_177 (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_120) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177)) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse10 v_prenex_176) v_DerPreprocessor_43) (not (= v_prenex_177 v_prenex_173)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse10 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_107 (_ BitVec 32)) (v_DerPreprocessor_108 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse11 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_107) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_108) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (= v_DerPreprocessor_108 (select .cse11 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse11 c_nondet_tree_~n~0.base) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_112 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse12 (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_112) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select .cse12 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_112) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select .cse12 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_123 (_ BitVec 32)) (v_DerPreprocessor_124 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse13 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_123) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_124) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (= (select .cse13 v_prenex_177) v_DerPreprocessor_123) (= (select .cse13 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_109 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse14 (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_109) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select .cse14 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse14 v_prenex_173) v_DerPreprocessor_109) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse15 (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select .cse15 v_prenex_174) v_DerPreprocessor_43) (= (select .cse15 v_prenex_176) v_DerPreprocessor_42) (= (select .cse15 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select |c_#length| v_prenex_174) (_ bv12 32))))) (exists ((v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_176) (_ bv12 32)))) (exists ((v_prenex_174 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_117 (_ BitVec 32)) (v_DerPreprocessor_118 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse16 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_117) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_118) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select .cse16 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse16 v_prenex_177) v_DerPreprocessor_117) (= v_DerPreprocessor_118 (select .cse16 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_116 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse17 (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_116) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select .cse17 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse17 v_prenex_173) v_DerPreprocessor_116) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse18 (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse18 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse18 v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse18 v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_122 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse19 (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_122) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (_ bv12 32) (select .cse19 c_nondet_tree_~n~0.base)) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select .cse19 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_122) (= (select |c_#length| v_prenex_176) (_ bv12 32)))))) .cse1) (and (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_46 (_ BitVec 32)) (v_DerPreprocessor_47 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_48 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse21 (store (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_46) v_prenex_173 v_DerPreprocessor_47) v_prenex_175 v_DerPreprocessor_48) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse20 (select .cse21 v_prenex_175))) (and (= .cse20 (select |c_#length| v_prenex_175)) (= .cse20 v_DerPreprocessor_48) (not (= v_prenex_173 c_nondet_tree_~n~0.base)) (= (select .cse21 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_46) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select .cse21 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse21 v_prenex_173) v_DerPreprocessor_47))))) .cse1) (and (or (exists ((v_DerPreprocessor_60 (_ BitVec 32)) (v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_61 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse22 (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_60) v_prenex_175 v_DerPreprocessor_61) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse22 v_DerPreprocessor_61) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) .cse22)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_100 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_101 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse24 (store (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_100) v_prenex_175 v_DerPreprocessor_101) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse23 (select .cse24 v_prenex_175))) (and (= .cse23 (select |c_#length| v_prenex_175)) (= (select .cse24 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse24 v_prenex_173) v_DerPreprocessor_100) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= .cse23 v_DerPreprocessor_101) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)))))) (exists ((v_DerPreprocessor_71 (_ BitVec 32)) (v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_70 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_69 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse26 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_69) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_70) v_prenex_175 v_DerPreprocessor_71) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse25 (select .cse26 v_prenex_175))) (and (= .cse25 v_DerPreprocessor_71) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 v_prenex_177)) (= (select .cse26 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 v_prenex_174)) (= (select |c_#length| v_prenex_175) .cse25) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_77 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_78 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse27 (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_77) v_prenex_175 v_DerPreprocessor_78) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse28 (select .cse27 v_prenex_175))) (and (= (select .cse27 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_77) (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= .cse28 v_DerPreprocessor_78) (= (select .cse27 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= .cse28 (select |c_#length| v_prenex_175)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_62 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse29 (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_62) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select .cse29 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse29 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_62) (= (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_175) v_DerPreprocessor_42) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select |c_#length| v_prenex_175) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_97 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_95 (_ BitVec 32)) (v_DerPreprocessor_96 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse30 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_95) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_96) v_prenex_175 v_DerPreprocessor_97) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse31 (select .cse30 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse30 v_prenex_177) v_DerPreprocessor_95) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= .cse31 (select |c_#length| v_prenex_175)) (= (select .cse30 |v_nondet_tree_#t~ret9.base_127|) v_DerPreprocessor_96) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse30 c_nondet_tree_~n~0.base) (_ bv12 32)) (= .cse31 v_DerPreprocessor_97))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_58 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_59 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse34 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_58) v_prenex_175 v_DerPreprocessor_59) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse33 (store (store (store (store |c_#length| v_prenex_177 (select .cse34 v_prenex_177)) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32))) (.cse32 (select .cse34 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse32 (select |c_#length| v_prenex_175)) (not (= v_prenex_177 v_prenex_173)) (= (select .cse33 v_prenex_174) v_DerPreprocessor_43) (= (select .cse33 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (= .cse32 v_DerPreprocessor_59) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (let ((.cse35 (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse35 v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse35 v_prenex_175) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (= (select .cse35 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_53 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_52 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse38 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_52) v_prenex_175 v_DerPreprocessor_53) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse36 (select .cse38 v_prenex_175)) (.cse37 (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse36 v_DerPreprocessor_53) (= (select .cse37 v_prenex_176) v_DerPreprocessor_43) (= (select .cse38 v_prenex_177) v_DerPreprocessor_52) (= .cse36 (select |c_#length| v_prenex_175)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse37 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_72 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_73 (_ BitVec 32)) (v_DerPreprocessor_74 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse40 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_72) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_73) v_prenex_175 v_DerPreprocessor_74) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse39 (select .cse40 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse39 v_DerPreprocessor_74) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select .cse40 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= .cse39 (select |c_#length| v_prenex_175)) (= (select .cse40 |v_nondet_tree_#t~ret9.base_127|) v_DerPreprocessor_73))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_65 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_66 (_ BitVec 32)) (v_DerPreprocessor_67 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse41 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_65) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_66) v_prenex_175 v_DerPreprocessor_67) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse42 (select .cse41 v_prenex_175))) (and (= (select .cse41 v_prenex_177) v_DerPreprocessor_65) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (= (select .cse41 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= .cse42 v_DerPreprocessor_67) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= .cse42 (select |c_#length| v_prenex_175)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_75 (_ BitVec 32)) (v_DerPreprocessor_76 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse44 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_75) v_prenex_175 v_DerPreprocessor_76) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse43 (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32))) (.cse45 (select .cse44 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse43 v_prenex_174) v_DerPreprocessor_43) (= (select .cse44 v_prenex_177) v_DerPreprocessor_75) (= (select |c_#length| v_prenex_175) .cse45) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse43 c_nondet_tree_~n~0.base) (_ bv12 32)) (= .cse45 v_DerPreprocessor_76))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_84 (_ BitVec 32)) (v_DerPreprocessor_85 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse47 (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_84) v_prenex_175 v_DerPreprocessor_85) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse46 (select .cse47 v_prenex_175))) (and (= .cse46 v_DerPreprocessor_85) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select |c_#length| v_prenex_175) .cse46) (= (select .cse47 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_84) (= (select .cse47 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)))))) (exists ((v_DerPreprocessor_93 (_ BitVec 32)) (v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_94 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse49 (store (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_93) v_prenex_175 v_DerPreprocessor_94) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse48 (select .cse49 v_prenex_175))) (and (= (select |c_#length| v_prenex_175) .cse48) (not (= c_nondet_tree_~n~0.base |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select .cse49 |v_nondet_tree_#t~ret9.base_127|) v_DerPreprocessor_93) (= .cse48 v_DerPreprocessor_94))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_90 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse50 (store (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_90) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse50 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_175) v_DerPreprocessor_42) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select .cse50 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_102 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_103 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse52 (store (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_102) v_prenex_175 v_DerPreprocessor_103) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse51 (select .cse52 v_prenex_175))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (= .cse51 (select |c_#length| v_prenex_175)) (= .cse51 v_DerPreprocessor_103) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse52 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|)) (= (select .cse52 c_nondet_tree_~n~0.base) (_ bv12 32)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_98 (_ BitVec 32)) (v_DerPreprocessor_99 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse54 (store (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_98) v_prenex_175 v_DerPreprocessor_99) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse53 (select .cse54 v_prenex_175))) (and (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) .cse53) (= v_DerPreprocessor_99 .cse53) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= v_DerPreprocessor_98 (select .cse54 v_prenex_173)) (= (select .cse54 c_nondet_tree_~n~0.base) (_ bv12 32)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_57 (_ BitVec 32)) (v_DerPreprocessor_55 (_ BitVec 32)) (v_DerPreprocessor_56 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse56 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_55) v_prenex_173 v_DerPreprocessor_56) v_prenex_175 v_DerPreprocessor_57) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse55 (select .cse56 v_prenex_175))) (and (= .cse55 v_DerPreprocessor_57) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse56 v_prenex_173) v_DerPreprocessor_56) (= (select .cse56 c_nondet_tree_~n~0.base) (_ bv12 32)) (= .cse55 (select |c_#length| v_prenex_175)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse56 v_prenex_177) v_DerPreprocessor_55) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse57 (store (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse57 v_prenex_175) v_DerPreprocessor_42) (= (select .cse57 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse57 v_prenex_176) v_DerPreprocessor_43) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_86 (_ BitVec 32)) (v_DerPreprocessor_87 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse58 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_86) v_prenex_175 v_DerPreprocessor_87) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse59 (select .cse58 v_prenex_175)) (.cse60 (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse58 v_prenex_177) v_DerPreprocessor_86) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse59 v_DerPreprocessor_87) (= (select .cse60 v_prenex_174) v_DerPreprocessor_43) (= .cse59 (select |c_#length| v_prenex_175)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (= (select .cse60 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_89 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse61 (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_89) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_43) (= .cse61 (select |c_#length| v_prenex_175)) (= .cse61 v_DerPreprocessor_89) (= (select |c_#length| v_prenex_176) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_80 (_ BitVec 32)) (v_DerPreprocessor_81 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse64 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_80) v_prenex_175 v_DerPreprocessor_81) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse62 (select .cse64 v_prenex_175)) (.cse63 (store (store (store (store |c_#length| v_prenex_177 (select .cse64 v_prenex_177)) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= .cse62 v_DerPreprocessor_81) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 v_prenex_173)) (= (select |c_#length| v_prenex_175) .cse62) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (= (select .cse63 v_prenex_176) v_DerPreprocessor_43) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse63 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32)) (v_DerPreprocessor_49 (_ BitVec 32))) (let ((.cse65 (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32)))) (and (= (select .cse65 v_prenex_175) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_49) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_49) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse65 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (let ((.cse66 (store (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse66 v_prenex_174) v_DerPreprocessor_43) (= v_DerPreprocessor_42 (select .cse66 v_prenex_175)) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse66 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_174) (_ bv12 32))))) (exists ((v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (and (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_175) v_DerPreprocessor_43))) (exists ((v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse67 (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select .cse67 v_prenex_176) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse67 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse67 v_prenex_175) v_DerPreprocessor_43)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_54 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse68 (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_54) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175)) (.cse69 (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= .cse68 v_DerPreprocessor_54) (= (select |c_#length| v_prenex_175) .cse68) (= (select .cse69 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse69 v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse69 v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_68 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse70 (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_68) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175))) (and (= .cse70 v_DerPreprocessor_68) (= .cse70 (select |c_#length| v_prenex_175)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_43)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_83 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse71 (store (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_83) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_175) v_DerPreprocessor_42) (= (select .cse71 v_prenex_173) v_DerPreprocessor_83) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse71 c_nondet_tree_~n~0.base) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_50 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_51 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse72 (store (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_50) v_prenex_175 v_DerPreprocessor_51) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse73 (select .cse72 v_prenex_175))) (and (= (select .cse72 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (= .cse73 (select |c_#length| v_prenex_175)) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (= .cse73 v_DerPreprocessor_51) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (= (select (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse72 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (not (= v_prenex_174 c_nondet_tree_~n~0.base)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_64 (_ BitVec 32)) (v_DerPreprocessor_63 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse75 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_63) v_prenex_175 v_DerPreprocessor_64) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse74 (select .cse75 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse74 (select |c_#length| v_prenex_175)) (= .cse74 v_DerPreprocessor_64) (= (select .cse75 v_prenex_177) v_DerPreprocessor_63) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_91 (_ BitVec 32)) (v_DerPreprocessor_92 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse78 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_91) v_prenex_175 v_DerPreprocessor_92) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse77 (select .cse78 v_prenex_175)) (.cse76 (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse76 c_nondet_tree_~n~0.base) (_ bv12 32)) (= .cse77 (select |c_#length| v_prenex_175)) (= .cse77 v_DerPreprocessor_92) (= (select .cse76 v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse78 v_prenex_177) v_DerPreprocessor_91) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_82 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse79 (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32))) (.cse80 (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_82) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select .cse79 v_prenex_174) v_DerPreprocessor_43) (= (select .cse79 v_prenex_176) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_175) .cse80) (= (select .cse79 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= v_DerPreprocessor_82 .cse80) (= (select |c_#length| v_prenex_174) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_79 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse81 (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse81 v_prenex_175) v_DerPreprocessor_43) (= (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_79) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_79) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse81 c_nondet_tree_~n~0.base) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_88 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse82 (store (store (store (store |c_#length| v_prenex_177 (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_88) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177)) v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse82 v_prenex_175) v_DerPreprocessor_43) (not (= v_prenex_177 v_prenex_173)) (= (select .cse82 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) .cse1)))) is different from false [2023-11-06 22:24:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 14 proven. 38 refuted. 0 times theorem prover too weak. 48 trivial. 34 not checked. [2023-11-06 22:24:19,630 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:24:22,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [107483862] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:24:22,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:24:22,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2023-11-06 22:24:22,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537463770] [2023-11-06 22:24:22,982 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:24:22,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-06 22:24:22,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:24:22,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-06 22:24:22,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=200, Unknown=13, NotChecked=238, Total=506 [2023-11-06 22:24:22,985 INFO L87 Difference]: Start difference. First operand 229 states and 286 transitions. Second operand has 20 states, 19 states have (on average 2.789473684210526) internal successors, (53), 17 states have internal predecessors, (53), 7 states have call successors, (11), 3 states have call predecessors, (11), 7 states have return successors, (12), 10 states have call predecessors, (12), 6 states have call successors, (12) [2023-11-06 22:24:25,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:24:27,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:24:29,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:24:34,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:24:36,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:24:38,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:24:41,500 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse24 (select |c_#length| c_nondet_tree_~n~0.base))) (let ((.cse0 (store |c_old(#length)| c_nondet_tree_~n~0.base .cse24)) (.cse1 (store |c_old(#length)| c_nondet_tree_~n~0.base (_ bv12 32))) (.cse5 (= .cse24 (_ bv12 32)))) (and (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (= (store |c_old(#length)| nondet_tree_~n~0.base (_ bv12 32)) |c_#length|)) (= .cse0 |c_#length|) (= .cse1 |c_#length|) (exists ((nondet_tree_~n~0.base (_ BitVec 32))) (and (= (store |c_old(#length)| nondet_tree_~n~0.base (select |c_#length| nondet_tree_~n~0.base)) |c_#length|) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) (or (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (and (not (= v_nondet_tree_~n~0.base_89 c_nondet_tree_~n~0.base)) (= (store (store .cse0 v_nondet_tree_~n~0.base_90 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32)) |c_#length|) (not (= v_nondet_tree_~n~0.base_90 c_nondet_tree_~n~0.base)))) (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32))) (= (store (store |c_old(#length)| v_nondet_tree_~n~0.base_90 (_ bv12 32)) c_nondet_tree_~n~0.base (_ bv12 32)) |c_#length|)) (exists ((v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (= (store .cse1 v_nondet_tree_~n~0.base_89 (_ bv12 32)) |c_#length|))) (= (_ bv0 32) c_nondet_tree_~n~0.offset) (or (exists ((|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (nondet_tree_~n~0.base (_ BitVec 32))) (and (= |c_#length| (store (store |c_old(#length)| nondet_tree_~n~0.base (_ bv12 32)) |v_nondet_tree_#t~ret9.base_127| (_ bv12 32))) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) (exists ((|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (nondet_tree_~n~0.base (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (and (= (store (store (store |c_old(#length)| nondet_tree_~n~0.base (select |c_#length| nondet_tree_~n~0.base)) |nondet_tree_#t~ret9.base| (_ bv12 32)) |v_nondet_tree_#t~ret9.base_127| (_ bv12 32)) |c_#length|) (not (= nondet_tree_~n~0.base |v_nondet_tree_#t~ret9.base_127|)) (not (= nondet_tree_~n~0.base |nondet_tree_#t~ret9.base|)) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) (exists ((nondet_tree_~n~0.base (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (and (= (store (store |c_old(#length)| |nondet_tree_#t~ret9.base| (_ bv12 32)) nondet_tree_~n~0.base (_ bv12 32)) |c_#length|) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base))))) (= (bvadd (_ bv1 1) (select |c_#valid| c_nondet_tree_~n~0.base)) (_ bv0 1)) (or (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_31 (_ BitVec 32)) (v_DerPreprocessor_32 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse4 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_31) v_prenex_56 v_DerPreprocessor_32))) (let ((.cse3 (store (store .cse4 v_prenex_53 (_ bv12 32)) v_prenex_54 (_ bv12 32))) (.cse2 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (_ bv12 32) (select .cse2 c_nondet_tree_~n~0.base)) (= (select .cse3 v_prenex_56) v_DerPreprocessor_32) (= (select .cse3 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse3 v_prenex_55) v_DerPreprocessor_31) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse2 v_prenex_56) v_DerPreprocessor_27) (= .cse2 (store (store (store (store .cse4 v_prenex_53 (select .cse2 v_prenex_53)) v_prenex_54 (select .cse2 v_prenex_54)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32))) (= (select .cse2 v_prenex_55) v_DerPreprocessor_26))))) .cse5) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_DerPreprocessor_33 (_ BitVec 32)) (v_DerPreprocessor_34 (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse8 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_33) v_prenex_56 v_DerPreprocessor_34))) (let ((.cse6 (store (store .cse8 v_prenex_54 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32))) (.cse7 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (select .cse6 v_prenex_56) v_DerPreprocessor_34) (= (select .cse6 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (_ bv12 32) (select .cse7 c_nondet_tree_~n~0.base)) (= (store (store (store (store .cse8 v_prenex_54 (select .cse7 v_prenex_54)) v_nondet_tree_~n~0.base_89 (select .cse7 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse7) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse7 v_prenex_56) v_DerPreprocessor_27) (= (select .cse6 v_prenex_55) v_DerPreprocessor_33) (= (select .cse7 v_prenex_55) v_DerPreprocessor_26))))) .cse5) (and .cse5 (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_40 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_DerPreprocessor_39 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse11 (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_39) v_prenex_56 v_DerPreprocessor_40) c_nondet_tree_~n~0.base (_ bv12 32)))) (let ((.cse10 (store (store .cse11 v_prenex_53 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32))) (.cse9 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (_ bv12 32) (select .cse9 c_nondet_tree_~n~0.base)) (= (select .cse10 v_prenex_56) v_DerPreprocessor_40) (= (store (store (store (store .cse11 v_prenex_53 (select .cse9 v_prenex_53)) v_nondet_tree_~n~0.base_89 (select .cse9 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse9) (= (select .cse10 v_prenex_55) v_DerPreprocessor_39) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse9 v_prenex_56) v_DerPreprocessor_27) (= (select .cse9 v_prenex_55) v_DerPreprocessor_26)))))) (and .cse5 (exists ((|nondet_tree_#res.base| (_ BitVec 32))) (= (select |c_#length| |nondet_tree_#res.base|) (_ bv12 32))) (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32))) (= (select |c_#length| v_nondet_tree_~n~0.base_90) (_ bv12 32)))) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_37 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32)) (v_DerPreprocessor_38 (_ BitVec 32))) (let ((.cse12 (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_37) v_prenex_56 v_DerPreprocessor_38) c_nondet_tree_~n~0.base (_ bv12 32)))) (let ((.cse14 (store .cse12 v_nondet_tree_~n~0.base_89 (_ bv12 32))) (.cse13 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (store (store (store .cse12 v_nondet_tree_~n~0.base_89 (select .cse13 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse13) (= (select .cse14 v_prenex_55) v_DerPreprocessor_37) (= (_ bv12 32) (select .cse13 c_nondet_tree_~n~0.base)) (= (select .cse14 v_prenex_56) v_DerPreprocessor_38) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse13 v_prenex_56) v_DerPreprocessor_27) (= (select .cse13 v_prenex_55) v_DerPreprocessor_26))))) .cse5) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_35 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_DerPreprocessor_36 (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse16 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_35) v_prenex_56 v_DerPreprocessor_36))) (let ((.cse15 (store (store .cse16 v_prenex_53 (_ bv12 32)) c_nondet_tree_~n~0.base (_ bv12 32))) (.cse17 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (select .cse15 v_prenex_56) v_DerPreprocessor_36) (= (select .cse15 v_prenex_55) v_DerPreprocessor_35) (= (store (store (store (store .cse16 v_prenex_53 (select .cse17 v_prenex_53)) c_nondet_tree_~n~0.base (_ bv12 32)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse17) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse17 v_prenex_56) v_DerPreprocessor_27) (= (select .cse17 v_prenex_55) v_DerPreprocessor_26))))) .cse5) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (let ((.cse18 (store (store (store (store (store |c_#length| v_prenex_54 v_DerPreprocessor_23) v_prenex_53 v_DerPreprocessor_24) v_nondet_tree_~n~0.base_89 v_DerPreprocessor_25) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select .cse18 v_prenex_53) v_DerPreprocessor_24) (bvule (_ bv12 32) (select |c_#length| v_prenex_54)) (not (= v_prenex_53 v_prenex_54)) (= (select .cse18 v_nondet_tree_~n~0.base_89) v_DerPreprocessor_25) (= (select |c_#length| v_nondet_tree_~n~0.base_89) (_ bv12 32)) (= (select |c_#length| v_prenex_53) (_ bv12 32)) (not (= v_nondet_tree_~n~0.base_89 v_prenex_54)) (= (select .cse18 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse18 v_prenex_54) v_DerPreprocessor_23)))) .cse5) (and .cse5 (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_30 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse22 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_28) v_prenex_56 v_DerPreprocessor_29))) (let ((.cse19 (store (store (store .cse22 v_prenex_54 v_DerPreprocessor_30) v_prenex_53 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32)))) (let ((.cse20 (select .cse19 v_prenex_54)) (.cse21 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (select .cse19 v_prenex_56) v_DerPreprocessor_29) (= .cse20 (select |c_#length| v_prenex_54)) (= (select .cse19 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse19 v_prenex_55) v_DerPreprocessor_28) (= (_ bv12 32) (select .cse21 c_nondet_tree_~n~0.base)) (= .cse21 (store (store (store (store (store .cse22 v_prenex_54 (select .cse21 v_prenex_54)) v_prenex_53 (select .cse21 v_prenex_53)) v_nondet_tree_~n~0.base_89 (select .cse21 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32))) (= .cse20 v_DerPreprocessor_30) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse21 v_prenex_56) v_DerPreprocessor_27) (= (select .cse21 v_prenex_55) v_DerPreprocessor_26))))))) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (let ((.cse23 (store (store (store (store (store |c_#length| c_nondet_tree_~n~0.base (_ bv12 32)) v_prenex_53 v_DerPreprocessor_24) v_nondet_tree_~n~0.base_89 v_DerPreprocessor_25) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_nondet_tree_~n~0.base_89) (_ bv12 32)) (not (= v_prenex_53 c_nondet_tree_~n~0.base)) (not (= v_nondet_tree_~n~0.base_89 c_nondet_tree_~n~0.base)) (= (select .cse23 v_nondet_tree_~n~0.base_89) v_DerPreprocessor_25) (= (select |c_#length| v_prenex_53) (_ bv12 32)) (= (select .cse23 v_prenex_53) v_DerPreprocessor_24)))) (bvule (_ bv12 32) .cse24))) .cse5))) is different from false [2023-11-06 22:24:43,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:24:48,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:24:53,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:24:56,256 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#length| c_nondet_tree_~n~0.base))) (let ((.cse2 (= .cse0 (_ bv12 32))) (.cse105 (bvule (_ bv12 32) .cse0))) (and (or (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (and (not (= v_nondet_tree_~n~0.base_89 c_nondet_tree_~n~0.base)) (= (store (store (store |c_old(#length)| c_nondet_tree_~n~0.base .cse0) v_nondet_tree_~n~0.base_90 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32)) |c_#length|) (not (= v_nondet_tree_~n~0.base_90 c_nondet_tree_~n~0.base)))) (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32))) (= (store (store |c_old(#length)| v_nondet_tree_~n~0.base_90 (_ bv12 32)) c_nondet_tree_~n~0.base (_ bv12 32)) |c_#length|)) (exists ((v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (= (store (store |c_old(#length)| c_nondet_tree_~n~0.base (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32)) |c_#length|))) (= (_ bv0 32) c_nondet_tree_~n~0.offset) (or (and (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_44 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_45 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse1 (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_44) v_prenex_173 v_DerPreprocessor_45) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (not (= v_prenex_173 c_nondet_tree_~n~0.base)) (= (select .cse1 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse1 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_44) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse1 v_prenex_173) v_DerPreprocessor_45)))) .cse2) (and (exists ((v_prenex_174 (_ BitVec 32))) (= (select |c_#length| v_prenex_174) (_ bv12 32))) .cse2 (exists ((v_prenex_176 (_ BitVec 32))) (= (select |c_#length| v_prenex_176) (_ bv12 32)))) (and (or (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_114 (_ BitVec 32)) (v_DerPreprocessor_115 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse3 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_114) v_prenex_173 v_DerPreprocessor_115) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= v_DerPreprocessor_115 (select .cse3 v_prenex_173)) (= (select .cse3 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse3 v_prenex_177) v_DerPreprocessor_114) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_121 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse4 (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse4 v_prenex_174) v_DerPreprocessor_43) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_121) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_121) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse4 c_nondet_tree_~n~0.base) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_119 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (and (= (select (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_119) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) |v_nondet_tree_#t~ret9.base_127|) v_DerPreprocessor_119) (not (= c_nondet_tree_~n~0.base |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_127 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse5 (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_127) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_127) (= (select .cse5 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse5 v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_113 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse6 (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_113) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse6 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select .cse6 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_126 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse7 (store (store (store (store |c_#length| v_prenex_177 (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_126) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177)) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse7 v_prenex_174) v_DerPreprocessor_43) (not (= v_prenex_177 v_prenex_173)) (= (select .cse7 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_106 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse8 (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse8 v_prenex_176) v_DerPreprocessor_43) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_106) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_106) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse8 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_104 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse9 (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_104) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse9 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (= (_ bv12 32) (select .cse9 c_nondet_tree_~n~0.base)) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_105 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_105) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_105) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_128 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse10 (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse10 v_prenex_174) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (= (select .cse10 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_128) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_128) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (and (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_43))) (exists ((v_DerPreprocessor_110 (_ BitVec 32)) (v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_111 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_110) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_111) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32)) (v_DerPreprocessor_120 (_ BitVec 32))) (let ((.cse11 (store (store (store (store |c_#length| v_prenex_177 (select (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_120) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177)) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse11 v_prenex_176) v_DerPreprocessor_43) (not (= v_prenex_177 v_prenex_173)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse11 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_107 (_ BitVec 32)) (v_DerPreprocessor_108 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse12 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_107) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_108) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (= v_DerPreprocessor_108 (select .cse12 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse12 c_nondet_tree_~n~0.base) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_112 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse13 (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_112) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select .cse13 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_112) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select .cse13 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_123 (_ BitVec 32)) (v_DerPreprocessor_124 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse14 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_123) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_124) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (= (select .cse14 v_prenex_177) v_DerPreprocessor_123) (= (select .cse14 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_109 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse15 (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_109) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select .cse15 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse15 v_prenex_173) v_DerPreprocessor_109) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse16 (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select .cse16 v_prenex_174) v_DerPreprocessor_43) (= (select .cse16 v_prenex_176) v_DerPreprocessor_42) (= (select .cse16 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select |c_#length| v_prenex_174) (_ bv12 32))))) (exists ((v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_176) (_ bv12 32)))) (exists ((v_prenex_174 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_117 (_ BitVec 32)) (v_DerPreprocessor_118 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse17 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_117) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_118) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select .cse17 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse17 v_prenex_177) v_DerPreprocessor_117) (= v_DerPreprocessor_118 (select .cse17 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_116 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse18 (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_116) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select .cse18 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse18 v_prenex_173) v_DerPreprocessor_116) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse19 (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse19 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse19 v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse19 v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_122 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse20 (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_122) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (_ bv12 32) (select .cse20 c_nondet_tree_~n~0.base)) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select .cse20 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_122) (= (select |c_#length| v_prenex_176) (_ bv12 32)))))) .cse2) (and (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_46 (_ BitVec 32)) (v_DerPreprocessor_47 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_48 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse22 (store (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_46) v_prenex_173 v_DerPreprocessor_47) v_prenex_175 v_DerPreprocessor_48) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse21 (select .cse22 v_prenex_175))) (and (= .cse21 (select |c_#length| v_prenex_175)) (= .cse21 v_DerPreprocessor_48) (not (= v_prenex_173 c_nondet_tree_~n~0.base)) (= (select .cse22 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_46) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select .cse22 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse22 v_prenex_173) v_DerPreprocessor_47))))) .cse2) (and (or (exists ((v_DerPreprocessor_60 (_ BitVec 32)) (v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_61 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse23 (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_60) v_prenex_175 v_DerPreprocessor_61) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse23 v_DerPreprocessor_61) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) .cse23)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_100 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_101 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse25 (store (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_100) v_prenex_175 v_DerPreprocessor_101) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse24 (select .cse25 v_prenex_175))) (and (= .cse24 (select |c_#length| v_prenex_175)) (= (select .cse25 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse25 v_prenex_173) v_DerPreprocessor_100) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= .cse24 v_DerPreprocessor_101) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)))))) (exists ((v_DerPreprocessor_71 (_ BitVec 32)) (v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_70 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_69 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse27 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_69) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_70) v_prenex_175 v_DerPreprocessor_71) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse26 (select .cse27 v_prenex_175))) (and (= .cse26 v_DerPreprocessor_71) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 v_prenex_177)) (= (select .cse27 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 v_prenex_174)) (= (select |c_#length| v_prenex_175) .cse26) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_77 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_78 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse28 (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_77) v_prenex_175 v_DerPreprocessor_78) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse29 (select .cse28 v_prenex_175))) (and (= (select .cse28 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_77) (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= .cse29 v_DerPreprocessor_78) (= (select .cse28 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= .cse29 (select |c_#length| v_prenex_175)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_62 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse30 (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_62) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select .cse30 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse30 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_62) (= (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_175) v_DerPreprocessor_42) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select |c_#length| v_prenex_175) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_97 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_95 (_ BitVec 32)) (v_DerPreprocessor_96 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse31 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_95) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_96) v_prenex_175 v_DerPreprocessor_97) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse32 (select .cse31 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse31 v_prenex_177) v_DerPreprocessor_95) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= .cse32 (select |c_#length| v_prenex_175)) (= (select .cse31 |v_nondet_tree_#t~ret9.base_127|) v_DerPreprocessor_96) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse31 c_nondet_tree_~n~0.base) (_ bv12 32)) (= .cse32 v_DerPreprocessor_97))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_58 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_59 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse35 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_58) v_prenex_175 v_DerPreprocessor_59) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse34 (store (store (store (store |c_#length| v_prenex_177 (select .cse35 v_prenex_177)) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32))) (.cse33 (select .cse35 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse33 (select |c_#length| v_prenex_175)) (not (= v_prenex_177 v_prenex_173)) (= (select .cse34 v_prenex_174) v_DerPreprocessor_43) (= (select .cse34 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (= .cse33 v_DerPreprocessor_59) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (let ((.cse36 (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse36 v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse36 v_prenex_175) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (= (select .cse36 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_53 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_52 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse39 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_52) v_prenex_175 v_DerPreprocessor_53) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse37 (select .cse39 v_prenex_175)) (.cse38 (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse37 v_DerPreprocessor_53) (= (select .cse38 v_prenex_176) v_DerPreprocessor_43) (= (select .cse39 v_prenex_177) v_DerPreprocessor_52) (= .cse37 (select |c_#length| v_prenex_175)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse38 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_72 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_73 (_ BitVec 32)) (v_DerPreprocessor_74 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse41 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_72) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_73) v_prenex_175 v_DerPreprocessor_74) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse40 (select .cse41 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse40 v_DerPreprocessor_74) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select .cse41 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= .cse40 (select |c_#length| v_prenex_175)) (= (select .cse41 |v_nondet_tree_#t~ret9.base_127|) v_DerPreprocessor_73))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_65 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_66 (_ BitVec 32)) (v_DerPreprocessor_67 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse42 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_65) |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_66) v_prenex_175 v_DerPreprocessor_67) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse43 (select .cse42 v_prenex_175))) (and (= (select .cse42 v_prenex_177) v_DerPreprocessor_65) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (= (select .cse42 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= .cse43 v_DerPreprocessor_67) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= .cse43 (select |c_#length| v_prenex_175)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_75 (_ BitVec 32)) (v_DerPreprocessor_76 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse45 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_75) v_prenex_175 v_DerPreprocessor_76) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse44 (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32))) (.cse46 (select .cse45 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse44 v_prenex_174) v_DerPreprocessor_43) (= (select .cse45 v_prenex_177) v_DerPreprocessor_75) (= (select |c_#length| v_prenex_175) .cse46) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse44 c_nondet_tree_~n~0.base) (_ bv12 32)) (= .cse46 v_DerPreprocessor_76))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_84 (_ BitVec 32)) (v_DerPreprocessor_85 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse48 (store (store (store (store |c_#length| |nondet_tree_#t~ret9.base| v_DerPreprocessor_84) v_prenex_175 v_DerPreprocessor_85) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse47 (select .cse48 v_prenex_175))) (and (= .cse47 v_DerPreprocessor_85) (= (select |c_#length| |nondet_tree_#t~ret9.base|) (_ bv12 32)) (= (select |c_#length| v_prenex_175) .cse47) (= (select .cse48 |nondet_tree_#t~ret9.base|) v_DerPreprocessor_84) (= (select .cse48 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)))))) (exists ((v_DerPreprocessor_93 (_ BitVec 32)) (v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_94 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse50 (store (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_93) v_prenex_175 v_DerPreprocessor_94) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse49 (select .cse50 v_prenex_175))) (and (= (select |c_#length| v_prenex_175) .cse49) (not (= c_nondet_tree_~n~0.base |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select .cse50 |v_nondet_tree_#t~ret9.base_127|) v_DerPreprocessor_93) (= .cse49 v_DerPreprocessor_94))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_DerPreprocessor_90 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse51 (store (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_90) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse51 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_175) v_DerPreprocessor_42) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select .cse51 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_102 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_103 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse53 (store (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_102) v_prenex_175 v_DerPreprocessor_103) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse52 (select .cse53 v_prenex_175))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (= .cse52 (select |c_#length| v_prenex_175)) (= .cse52 v_DerPreprocessor_103) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse53 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|)) (= (select .cse53 c_nondet_tree_~n~0.base) (_ bv12 32)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_98 (_ BitVec 32)) (v_DerPreprocessor_99 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse55 (store (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_98) v_prenex_175 v_DerPreprocessor_99) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse54 (select .cse55 v_prenex_175))) (and (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_42) (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) .cse54) (= v_DerPreprocessor_99 .cse54) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= v_DerPreprocessor_98 (select .cse55 v_prenex_173)) (= (select .cse55 c_nondet_tree_~n~0.base) (_ bv12 32)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_57 (_ BitVec 32)) (v_DerPreprocessor_55 (_ BitVec 32)) (v_DerPreprocessor_56 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse57 (store (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_55) v_prenex_173 v_DerPreprocessor_56) v_prenex_175 v_DerPreprocessor_57) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse56 (select .cse57 v_prenex_175))) (and (= .cse56 v_DerPreprocessor_57) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse57 v_prenex_173) v_DerPreprocessor_56) (= (select .cse57 c_nondet_tree_~n~0.base) (_ bv12 32)) (= .cse56 (select |c_#length| v_prenex_175)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse57 v_prenex_177) v_DerPreprocessor_55) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse58 (store (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse58 v_prenex_175) v_DerPreprocessor_42) (= (select .cse58 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse58 v_prenex_176) v_DerPreprocessor_43) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_86 (_ BitVec 32)) (v_DerPreprocessor_87 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse59 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_86) v_prenex_175 v_DerPreprocessor_87) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse60 (select .cse59 v_prenex_175)) (.cse61 (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse59 v_prenex_177) v_DerPreprocessor_86) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse60 v_DerPreprocessor_87) (= (select .cse61 v_prenex_174) v_DerPreprocessor_43) (= .cse60 (select |c_#length| v_prenex_175)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (= (select .cse61 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_89 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse62 (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_89) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_176) v_DerPreprocessor_43) (= .cse62 (select |c_#length| v_prenex_175)) (= .cse62 v_DerPreprocessor_89) (= (select |c_#length| v_prenex_176) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_80 (_ BitVec 32)) (v_DerPreprocessor_81 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse65 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_80) v_prenex_175 v_DerPreprocessor_81) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse63 (select .cse65 v_prenex_175)) (.cse64 (store (store (store (store |c_#length| v_prenex_177 (select .cse65 v_prenex_177)) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= .cse63 v_DerPreprocessor_81) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (not (= v_prenex_177 v_prenex_173)) (= (select |c_#length| v_prenex_175) .cse63) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (= (select .cse64 v_prenex_176) v_DerPreprocessor_43) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse64 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32)) (v_DerPreprocessor_49 (_ BitVec 32))) (let ((.cse66 (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_177 (_ bv12 32)))) (and (= (select .cse66 v_prenex_175) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_49) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_49) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse66 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_177 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (let ((.cse67 (store (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select .cse67 v_prenex_174) v_DerPreprocessor_43) (= v_DerPreprocessor_42 (select .cse67 v_prenex_175)) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse67 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_174) (_ bv12 32))))) (exists ((v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (and (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_175) v_DerPreprocessor_43))) (exists ((v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse68 (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select .cse68 v_prenex_176) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse68 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse68 v_prenex_175) v_DerPreprocessor_43)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_54 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse69 (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_54) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175)) (.cse70 (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) v_prenex_176 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= .cse69 v_DerPreprocessor_54) (= (select |c_#length| v_prenex_175) .cse69) (= (select .cse70 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse70 v_prenex_174) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse70 v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_68 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse71 (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_68) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175))) (and (= .cse71 v_DerPreprocessor_68) (= .cse71 (select |c_#length| v_prenex_175)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (not (= v_prenex_174 c_nondet_tree_~n~0.base)) (= (select (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_43)))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_83 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse72 (store (store (store (store |c_#length| v_prenex_173 v_DerPreprocessor_83) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (and (= (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_42) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_175) v_DerPreprocessor_42) (= (select .cse72 v_prenex_173) v_DerPreprocessor_83) (not (= v_prenex_175 c_nondet_tree_~n~0.base)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select |c_#length| v_prenex_173) (_ bv12 32)) (= (select .cse72 c_nondet_tree_~n~0.base) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_50 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (v_DerPreprocessor_51 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse73 (store (store (store (store |c_#length| |v_nondet_tree_#t~ret9.base_127| v_DerPreprocessor_50) v_prenex_175 v_DerPreprocessor_51) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse74 (select .cse73 v_prenex_175))) (and (= (select .cse73 c_nondet_tree_~n~0.base) (_ bv12 32)) (not (= v_prenex_175 |v_nondet_tree_#t~ret9.base_127|)) (not (= v_prenex_176 |v_nondet_tree_#t~ret9.base_127|)) (= .cse74 (select |c_#length| v_prenex_175)) (not (= |v_nondet_tree_#t~ret9.base_127| |nondet_tree_#t~ret9.base|)) (= .cse74 v_DerPreprocessor_51) (not (= v_prenex_174 |v_nondet_tree_#t~ret9.base_127|)) (= (select |c_#length| |v_nondet_tree_#t~ret9.base_127|) (_ bv12 32)) (= (select |c_#length| v_prenex_174) (_ bv12 32)) (= (select (store (store (store (store |c_#length| v_prenex_174 v_DerPreprocessor_42) |v_nondet_tree_#t~ret9.base_127| (select .cse73 |v_nondet_tree_#t~ret9.base_127|)) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)) v_prenex_174) v_DerPreprocessor_42) (not (= v_prenex_174 c_nondet_tree_~n~0.base)) (not (= v_prenex_173 |v_nondet_tree_#t~ret9.base_127|)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_64 (_ BitVec 32)) (v_DerPreprocessor_63 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse76 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_63) v_prenex_175 v_DerPreprocessor_64) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse75 (select .cse76 v_prenex_175))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= .cse75 (select |c_#length| v_prenex_175)) (= .cse75 v_DerPreprocessor_64) (= (select .cse76 v_prenex_177) v_DerPreprocessor_63) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_DerPreprocessor_91 (_ BitVec 32)) (v_DerPreprocessor_92 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse79 (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_91) v_prenex_175 v_DerPreprocessor_92) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)))) (let ((.cse78 (select .cse79 v_prenex_175)) (.cse77 (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse77 c_nondet_tree_~n~0.base) (_ bv12 32)) (= .cse78 (select |c_#length| v_prenex_175)) (= .cse78 v_DerPreprocessor_92) (= (select .cse77 v_prenex_176) v_DerPreprocessor_43) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= (select .cse79 v_prenex_177) v_DerPreprocessor_91) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_DerPreprocessor_82 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_42 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32))) (let ((.cse80 (store (store (store (store |c_#length| v_prenex_176 v_DerPreprocessor_42) v_prenex_174 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32))) (.cse81 (select (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_82) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_175))) (and (not (= v_prenex_176 c_nondet_tree_~n~0.base)) (= (select .cse80 v_prenex_174) v_DerPreprocessor_43) (= (select .cse80 v_prenex_176) v_DerPreprocessor_42) (= (select |c_#length| v_prenex_175) .cse81) (= (select .cse80 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_176) (_ bv12 32)) (= v_DerPreprocessor_82 .cse81) (= (select |c_#length| v_prenex_174) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_79 (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse82 (store (store (store |c_#length| v_prenex_175 v_DerPreprocessor_43) v_prenex_177 (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (= (select .cse82 v_prenex_175) v_DerPreprocessor_43) (= (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_79) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177) v_DerPreprocessor_79) (not (= v_prenex_177 c_nondet_tree_~n~0.base)) (= (select .cse82 c_nondet_tree_~n~0.base) (_ bv12 32))))) (exists ((v_prenex_174 (_ BitVec 32)) (v_prenex_175 (_ BitVec 32)) (v_prenex_173 (_ BitVec 32)) (v_DerPreprocessor_43 (_ BitVec 32)) (v_DerPreprocessor_88 (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32)) (v_prenex_176 (_ BitVec 32)) (v_prenex_177 (_ BitVec 32))) (let ((.cse83 (store (store (store (store |c_#length| v_prenex_177 (select (store (store (store (store |c_#length| v_prenex_177 v_DerPreprocessor_88) v_prenex_175 (_ bv12 32)) v_prenex_176 (_ bv12 32)) v_prenex_174 (_ bv12 32)) v_prenex_177)) v_prenex_175 v_DerPreprocessor_43) |nondet_tree_#t~ret9.base| (_ bv12 32)) v_prenex_173 (_ bv12 32)))) (and (= (select |c_#length| v_prenex_177) (_ bv12 32)) (= (select .cse83 v_prenex_175) v_DerPreprocessor_43) (not (= v_prenex_177 v_prenex_173)) (= (select .cse83 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select |c_#length| v_prenex_175) (_ bv12 32)) (not (= v_prenex_176 v_prenex_177)) (not (= v_prenex_177 v_prenex_174)) (not (= v_prenex_177 |nondet_tree_#t~ret9.base|)) (not (= v_prenex_177 v_prenex_175)) (not (= v_prenex_177 c_nondet_tree_~n~0.base)))))) .cse2)) (or (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_31 (_ BitVec 32)) (v_DerPreprocessor_32 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse86 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_31) v_prenex_56 v_DerPreprocessor_32))) (let ((.cse85 (store (store .cse86 v_prenex_53 (_ bv12 32)) v_prenex_54 (_ bv12 32))) (.cse84 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (_ bv12 32) (select .cse84 c_nondet_tree_~n~0.base)) (= (select .cse85 v_prenex_56) v_DerPreprocessor_32) (= (select .cse85 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse85 v_prenex_55) v_DerPreprocessor_31) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse84 v_prenex_56) v_DerPreprocessor_27) (= .cse84 (store (store (store (store .cse86 v_prenex_53 (select .cse84 v_prenex_53)) v_prenex_54 (select .cse84 v_prenex_54)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32))) (= (select .cse84 v_prenex_55) v_DerPreprocessor_26))))) .cse2) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_DerPreprocessor_33 (_ BitVec 32)) (v_DerPreprocessor_34 (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse89 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_33) v_prenex_56 v_DerPreprocessor_34))) (let ((.cse87 (store (store .cse89 v_prenex_54 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32))) (.cse88 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (select .cse87 v_prenex_56) v_DerPreprocessor_34) (= (select .cse87 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (_ bv12 32) (select .cse88 c_nondet_tree_~n~0.base)) (= (store (store (store (store .cse89 v_prenex_54 (select .cse88 v_prenex_54)) v_nondet_tree_~n~0.base_89 (select .cse88 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse88) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse88 v_prenex_56) v_DerPreprocessor_27) (= (select .cse87 v_prenex_55) v_DerPreprocessor_33) (= (select .cse88 v_prenex_55) v_DerPreprocessor_26))))) .cse2) (and .cse2 (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_40 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_DerPreprocessor_39 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse92 (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_39) v_prenex_56 v_DerPreprocessor_40) c_nondet_tree_~n~0.base (_ bv12 32)))) (let ((.cse91 (store (store .cse92 v_prenex_53 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32))) (.cse90 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (_ bv12 32) (select .cse90 c_nondet_tree_~n~0.base)) (= (select .cse91 v_prenex_56) v_DerPreprocessor_40) (= (store (store (store (store .cse92 v_prenex_53 (select .cse90 v_prenex_53)) v_nondet_tree_~n~0.base_89 (select .cse90 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse90) (= (select .cse91 v_prenex_55) v_DerPreprocessor_39) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse90 v_prenex_56) v_DerPreprocessor_27) (= (select .cse90 v_prenex_55) v_DerPreprocessor_26)))))) (and .cse2 (exists ((|nondet_tree_#res.base| (_ BitVec 32))) (= (select |c_#length| |nondet_tree_#res.base|) (_ bv12 32))) (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32))) (= (select |c_#length| v_nondet_tree_~n~0.base_90) (_ bv12 32)))) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_37 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32)) (v_DerPreprocessor_38 (_ BitVec 32))) (let ((.cse93 (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_37) v_prenex_56 v_DerPreprocessor_38) c_nondet_tree_~n~0.base (_ bv12 32)))) (let ((.cse95 (store .cse93 v_nondet_tree_~n~0.base_89 (_ bv12 32))) (.cse94 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (store (store (store .cse93 v_nondet_tree_~n~0.base_89 (select .cse94 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse94) (= (select .cse95 v_prenex_55) v_DerPreprocessor_37) (= (_ bv12 32) (select .cse94 c_nondet_tree_~n~0.base)) (= (select .cse95 v_prenex_56) v_DerPreprocessor_38) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse94 v_prenex_56) v_DerPreprocessor_27) (= (select .cse94 v_prenex_55) v_DerPreprocessor_26))))) .cse2) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_35 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_DerPreprocessor_36 (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse97 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_35) v_prenex_56 v_DerPreprocessor_36))) (let ((.cse96 (store (store .cse97 v_prenex_53 (_ bv12 32)) c_nondet_tree_~n~0.base (_ bv12 32))) (.cse98 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (select .cse96 v_prenex_56) v_DerPreprocessor_36) (= (select .cse96 v_prenex_55) v_DerPreprocessor_35) (= (store (store (store (store .cse97 v_prenex_53 (select .cse98 v_prenex_53)) c_nondet_tree_~n~0.base (_ bv12 32)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)) .cse98) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse98 v_prenex_56) v_DerPreprocessor_27) (= (select .cse98 v_prenex_55) v_DerPreprocessor_26))))) .cse2) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (let ((.cse99 (store (store (store (store (store |c_#length| v_prenex_54 v_DerPreprocessor_23) v_prenex_53 v_DerPreprocessor_24) v_nondet_tree_~n~0.base_89 v_DerPreprocessor_25) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select .cse99 v_prenex_53) v_DerPreprocessor_24) (bvule (_ bv12 32) (select |c_#length| v_prenex_54)) (not (= v_prenex_53 v_prenex_54)) (= (select .cse99 v_nondet_tree_~n~0.base_89) v_DerPreprocessor_25) (= (select |c_#length| v_nondet_tree_~n~0.base_89) (_ bv12 32)) (= (select |c_#length| v_prenex_53) (_ bv12 32)) (not (= v_nondet_tree_~n~0.base_89 v_prenex_54)) (= (select .cse99 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse99 v_prenex_54) v_DerPreprocessor_23)))) .cse2) (and .cse2 (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_54 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_30 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_prenex_56 (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_prenex_55 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (let ((.cse103 (store (store |c_#length| v_prenex_55 v_DerPreprocessor_28) v_prenex_56 v_DerPreprocessor_29))) (let ((.cse100 (store (store (store .cse103 v_prenex_54 v_DerPreprocessor_30) v_prenex_53 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32)))) (let ((.cse101 (select .cse100 v_prenex_54)) (.cse102 (store (store (store (store |c_#length| v_prenex_55 v_DerPreprocessor_26) v_prenex_56 v_DerPreprocessor_27) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_prenex_56) (_ bv12 32)) (= (select .cse100 v_prenex_56) v_DerPreprocessor_29) (= .cse101 (select |c_#length| v_prenex_54)) (= (select .cse100 c_nondet_tree_~n~0.base) (_ bv12 32)) (= (select .cse100 v_prenex_55) v_DerPreprocessor_28) (= (_ bv12 32) (select .cse102 c_nondet_tree_~n~0.base)) (= .cse102 (store (store (store (store (store .cse103 v_prenex_54 (select .cse102 v_prenex_54)) v_prenex_53 (select .cse102 v_prenex_53)) v_nondet_tree_~n~0.base_89 (select .cse102 v_nondet_tree_~n~0.base_89)) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32))) (= .cse101 v_DerPreprocessor_30) (= (select |c_#length| v_prenex_55) (_ bv12 32)) (= (select .cse102 v_prenex_56) v_DerPreprocessor_27) (= (select .cse102 v_prenex_55) v_DerPreprocessor_26))))))) (and (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_prenex_53 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (|nondet_tree_#res.base| (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (let ((.cse104 (store (store (store (store (store |c_#length| c_nondet_tree_~n~0.base (_ bv12 32)) v_prenex_53 v_DerPreprocessor_24) v_nondet_tree_~n~0.base_89 v_DerPreprocessor_25) v_nondet_tree_~n~0.base_90 (_ bv12 32)) |nondet_tree_#res.base| (_ bv12 32)))) (and (= (select |c_#length| v_nondet_tree_~n~0.base_89) (_ bv12 32)) (not (= v_prenex_53 c_nondet_tree_~n~0.base)) (not (= v_nondet_tree_~n~0.base_89 c_nondet_tree_~n~0.base)) (= (select .cse104 v_nondet_tree_~n~0.base_89) v_DerPreprocessor_25) (= (select |c_#length| v_prenex_53) (_ bv12 32)) (= (select .cse104 v_prenex_53) v_DerPreprocessor_24)))) .cse105)) .cse2 .cse105))) is different from false [2023-11-06 22:24:58,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:25:02,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:25:03,872 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse1 (store |c_old(#length)| c_nondet_tree_~n~0.base (_ bv12 32))) (.cse0 (select |c_#length| c_nondet_tree_~n~0.base))) (and (or (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (and (not (= v_nondet_tree_~n~0.base_89 c_nondet_tree_~n~0.base)) (= (store (store (store |c_old(#length)| c_nondet_tree_~n~0.base .cse0) v_nondet_tree_~n~0.base_90 (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32)) |c_#length|) (not (= v_nondet_tree_~n~0.base_90 c_nondet_tree_~n~0.base)))) (exists ((v_nondet_tree_~n~0.base_90 (_ BitVec 32))) (= (store (store |c_old(#length)| v_nondet_tree_~n~0.base_90 (_ bv12 32)) c_nondet_tree_~n~0.base (_ bv12 32)) |c_#length|)) (exists ((v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (= (store .cse1 v_nondet_tree_~n~0.base_89 (_ bv12 32)) |c_#length|))) (= (_ bv0 32) c_nondet_tree_~n~0.offset) (or (exists ((|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (nondet_tree_~n~0.base (_ BitVec 32))) (and (= |c_#length| (store (store |c_old(#length)| nondet_tree_~n~0.base (_ bv12 32)) |v_nondet_tree_#t~ret9.base_127| (_ bv12 32))) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) (exists ((|v_nondet_tree_#t~ret9.base_127| (_ BitVec 32)) (nondet_tree_~n~0.base (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (and (= (store (store (store |c_old(#length)| nondet_tree_~n~0.base (select |c_#length| nondet_tree_~n~0.base)) |nondet_tree_#t~ret9.base| (_ bv12 32)) |v_nondet_tree_#t~ret9.base_127| (_ bv12 32)) |c_#length|) (not (= nondet_tree_~n~0.base |v_nondet_tree_#t~ret9.base_127|)) (not (= nondet_tree_~n~0.base |nondet_tree_#t~ret9.base|)) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base)))) (exists ((nondet_tree_~n~0.base (_ BitVec 32)) (|nondet_tree_#t~ret9.base| (_ BitVec 32))) (and (= (store (store |c_old(#length)| |nondet_tree_#t~ret9.base| (_ bv12 32)) nondet_tree_~n~0.base (_ bv12 32)) |c_#length|) (= (_ bv0 1) (select |c_old(#valid)| nondet_tree_~n~0.base))))) (exists ((|nondet_tree_#t~ret9.base| (_ BitVec 32))) (= (store .cse1 |nondet_tree_#t~ret9.base| (_ bv12 32)) |c_#length|)) (= .cse0 (_ bv12 32)) (exists ((nondet_tree_~n~0.base (_ BitVec 32)) (v_nondet_tree_~n~0.base_89 (_ BitVec 32))) (= (store (store |c_old(#length)| nondet_tree_~n~0.base (_ bv12 32)) v_nondet_tree_~n~0.base_89 (_ bv12 32)) |c_#length|)) (bvule (_ bv12 32) .cse0))) is different from true