./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:48,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:48,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-10-31 21:58:48,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:48,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:48,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:48,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:48,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:48,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:48,462 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:48,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:48,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:48,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:48,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:48,464 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:48,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:48,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:48,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:48,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:48,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:48,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:48,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:48,471 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:58:48,471 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:58:48,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:48,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:48,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:58:48,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:48,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:48,472 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:48,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:48,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:48,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:48,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:48,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:48,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:48,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:48,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:48,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:48,480 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:48,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:48,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:48,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:48,481 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:48,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:48,482 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_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-10-31 21:58:48,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:48,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:48,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:48,869 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:48,869 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:48,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i Unable to find full path for "g++" [2024-10-31 21:58:50,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:51,117 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:51,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i [2024-10-31 21:58:51,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/data/6e217d27a/be9ee89309ef4dc88b982f1db405a5db/FLAG7113eda14 [2024-10-31 21:58:51,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/data/6e217d27a/be9ee89309ef4dc88b982f1db405a5db [2024-10-31 21:58:51,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:51,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:51,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:51,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:51,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:51,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:51" (1/1) ... [2024-10-31 21:58:51,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fda5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:51, skipping insertion in model container [2024-10-31 21:58:51,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:51" (1/1) ... [2024-10-31 21:58:51,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:51,726 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,762 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,766 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,769 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,777 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,797 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,799 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,804 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,806 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,812 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,813 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,819 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:51,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:51,850 ERROR L321 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) [2024-10-31 21:58:51,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@751a6be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:51, skipping insertion in model container [2024-10-31 21:58:51,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:51,852 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 21:58:51,854 INFO L158 Benchmark]: Toolchain (without parser) took 698.70ms. Allocated memory is still 176.2MB. Free memory was 137.6MB in the beginning and 130.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 21:58:51,855 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:58:51,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.90ms. Allocated memory is still 176.2MB. Free memory was 137.6MB in the beginning and 130.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 21:58:51,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.90ms. Allocated memory is still 176.2MB. Free memory was 137.6MB in the beginning and 130.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 753]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:54,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:54,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-10-31 21:58:54,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:54,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:54,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:54,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:54,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:54,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:54,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:54,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:54,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:54,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:54,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:54,283 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:54,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:54,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:54,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:54,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:54,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:54,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:54,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:54,290 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:58:54,290 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:58:54,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:54,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:54,292 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:58:54,292 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 21:58:54,292 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:54,293 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 21:58:54,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:54,296 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:54,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:54,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:54,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:54,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:54,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:54,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:54,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:54,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:54,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:54,300 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 21:58:54,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 21:58:54,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:54,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:54,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:54,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:54,302 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 21:58:54,302 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_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-10-31 21:58:54,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:54,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:54,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:54,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:54,689 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:54,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i Unable to find full path for "g++" [2024-10-31 21:58:56,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:57,319 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:57,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-2.i [2024-10-31 21:58:57,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/data/13394ee1c/0b7f2a21a5454e9887618d1e159f9e30/FLAGb413c0be0 [2024-10-31 21:58:57,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/data/13394ee1c/0b7f2a21a5454e9887618d1e159f9e30 [2024-10-31 21:58:57,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:57,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:57,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:57,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:57,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:57,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:57" (1/1) ... [2024-10-31 21:58:57,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676e4622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:57, skipping insertion in model container [2024-10-31 21:58:57,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:57" (1/1) ... [2024-10-31 21:58:57,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:58,139 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,198 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,207 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,215 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,228 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,264 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,266 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,269 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,275 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,276 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,280 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,289 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:58,322 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-31 21:58:58,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:58,371 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,388 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,390 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,393 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,404 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,426 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,427 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,432 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,433 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,434 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,438 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,446 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:58:58,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:58,458 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:58,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:58,630 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:58,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58 WrapperNode [2024-10-31 21:58:58,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:58,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:58,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:58,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:58,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,774 INFO L138 Inliner]: procedures = 179, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 747 [2024-10-31 21:58:58,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:58,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:58,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:58,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:58,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,945 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-10-31 21:58:58,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:58,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:59,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:59,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:59,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:59,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:59,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (1/1) ... [2024-10-31 21:58:59,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:59,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:59,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:59,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-31 21:58:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-31 21:58:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-31 21:58:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-31 21:58:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 21:58:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 21:58:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 21:58:59,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 21:58:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:58:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:58:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:58:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:58:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:58:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-31 21:58:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-31 21:58:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 21:58:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-31 21:58:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:59,371 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:59,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:07,199 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-10-31 21:59:07,199 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:07,220 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:07,221 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-10-31 21:59:07,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:07 BoogieIcfgContainer [2024-10-31 21:59:07,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:07,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:07,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:07,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:07,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:57" (1/3) ... [2024-10-31 21:59:07,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727042e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:07, skipping insertion in model container [2024-10-31 21:59:07,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:58" (2/3) ... [2024-10-31 21:59:07,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727042e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:07, skipping insertion in model container [2024-10-31 21:59:07,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:07" (3/3) ... [2024-10-31 21:59:07,230 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test1-2.i [2024-10-31 21:59:07,250 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:07,251 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 21:59:07,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:07,313 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@70813336, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:07,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 21:59:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 133 states have (on average 1.6390977443609023) internal successors, (218), 135 states have internal predecessors, (218), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 21:59:07,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:07,330 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:07,331 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:59:07,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:07,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1673007985, now seen corresponding path program 1 times [2024-10-31 21:59:07,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:07,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754635198] [2024-10-31 21:59:07,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:07,352 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 [2024-10-31 21:59:07,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:07,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:07,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:07,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 21:59:07,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:07,540 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:07,541 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:07,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754635198] [2024-10-31 21:59:07,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754635198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:07,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:07,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:07,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719122412] [2024-10-31 21:59:07,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:07,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:59:07,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:07,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:59:07,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:59:07,595 INFO L87 Difference]: Start difference. First operand has 140 states, 133 states have (on average 1.6390977443609023) internal successors, (218), 135 states have internal predecessors, (218), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:07,634 INFO L93 Difference]: Finished difference Result 139 states and 177 transitions. [2024-10-31 21:59:07,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:59:07,637 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-31 21:59:07,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:07,644 INFO L225 Difference]: With dead ends: 139 [2024-10-31 21:59:07,645 INFO L226 Difference]: Without dead ends: 137 [2024-10-31 21:59:07,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:59:07,650 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:07,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:07,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-31 21:59:07,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-10-31 21:59:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 131 states have (on average 1.2900763358778626) internal successors, (169), 132 states have internal predecessors, (169), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 175 transitions. [2024-10-31 21:59:07,696 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 175 transitions. Word has length 9 [2024-10-31 21:59:07,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:07,697 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 175 transitions. [2024-10-31 21:59:07,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 175 transitions. [2024-10-31 21:59:07,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 21:59:07,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:07,698 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:07,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 21:59:07,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:07,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:59:07,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash 738674175, now seen corresponding path program 1 times [2024-10-31 21:59:07,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:07,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725806791] [2024-10-31 21:59:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:07,902 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 [2024-10-31 21:59:07,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:07,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:07,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:08,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:59:08,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:08,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:08,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:08,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725806791] [2024-10-31 21:59:08,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725806791] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:08,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:08,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:08,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900693957] [2024-10-31 21:59:08,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:08,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:08,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:08,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:08,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:08,110 INFO L87 Difference]: Start difference. First operand 137 states and 175 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:08,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:08,302 INFO L93 Difference]: Finished difference Result 226 states and 290 transitions. [2024-10-31 21:59:08,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:08,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-31 21:59:08,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:08,312 INFO L225 Difference]: With dead ends: 226 [2024-10-31 21:59:08,315 INFO L226 Difference]: Without dead ends: 226 [2024-10-31 21:59:08,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:08,317 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 108 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:08,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 369 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:08,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-31 21:59:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2024-10-31 21:59:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 132 states have (on average 1.2878787878787878) internal successors, (170), 133 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 176 transitions. [2024-10-31 21:59:08,344 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 176 transitions. Word has length 9 [2024-10-31 21:59:08,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:08,345 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 176 transitions. [2024-10-31 21:59:08,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:08,345 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 176 transitions. [2024-10-31 21:59:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-31 21:59:08,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:08,351 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:08,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 21:59:08,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:08,554 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:59:08,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:08,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1816778816, now seen corresponding path program 1 times [2024-10-31 21:59:08,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:08,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666680890] [2024-10-31 21:59:08,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:08,559 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 [2024-10-31 21:59:08,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:08,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:08,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:09,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:59:09,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:09,130 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:09,130 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:09,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666680890] [2024-10-31 21:59:09,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666680890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:09,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:09,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:09,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443416568] [2024-10-31 21:59:09,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:09,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:09,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:09,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:09,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:09,136 INFO L87 Difference]: Start difference. First operand 138 states and 176 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:09,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:09,406 INFO L93 Difference]: Finished difference Result 141 states and 171 transitions. [2024-10-31 21:59:09,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:09,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-10-31 21:59:09,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:09,409 INFO L225 Difference]: With dead ends: 141 [2024-10-31 21:59:09,409 INFO L226 Difference]: Without dead ends: 141 [2024-10-31 21:59:09,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:09,411 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 30 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:09,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 416 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:59:09,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-31 21:59:09,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-10-31 21:59:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 135 states have (on average 1.2222222222222223) internal successors, (165), 136 states have internal predecessors, (165), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 171 transitions. [2024-10-31 21:59:09,422 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 171 transitions. Word has length 64 [2024-10-31 21:59:09,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:09,422 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 171 transitions. [2024-10-31 21:59:09,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 171 transitions. [2024-10-31 21:59:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-31 21:59:09,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:09,425 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:09,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 21:59:09,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:09,630 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:59:09,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:09,632 INFO L85 PathProgramCache]: Analyzing trace with hash 243531316, now seen corresponding path program 1 times [2024-10-31 21:59:09,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:09,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339113254] [2024-10-31 21:59:09,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:09,634 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 [2024-10-31 21:59:09,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:09,636 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:09,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:59:10,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:10,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:10,306 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:10,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:10,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339113254] [2024-10-31 21:59:10,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339113254] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:10,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:10,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:59:10,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65525832] [2024-10-31 21:59:10,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:10,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:59:10,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:10,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:59:10,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:10,310 INFO L87 Difference]: Start difference. First operand 141 states and 171 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:10,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:10,433 INFO L93 Difference]: Finished difference Result 135 states and 161 transitions. [2024-10-31 21:59:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:10,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-10-31 21:59:10,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:10,435 INFO L225 Difference]: With dead ends: 135 [2024-10-31 21:59:10,436 INFO L226 Difference]: Without dead ends: 135 [2024-10-31 21:59:10,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:10,437 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:10,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 413 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:10,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-31 21:59:10,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-10-31 21:59:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 129 states have (on average 1.2015503875968991) internal successors, (155), 130 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 161 transitions. [2024-10-31 21:59:10,456 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 161 transitions. Word has length 64 [2024-10-31 21:59:10,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:10,456 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 161 transitions. [2024-10-31 21:59:10,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 161 transitions. [2024-10-31 21:59:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-31 21:59:10,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:10,462 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:10,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 21:59:10,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:10,663 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:59:10,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:10,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1807452682, now seen corresponding path program 1 times [2024-10-31 21:59:10,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:10,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011159775] [2024-10-31 21:59:10,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:10,665 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 [2024-10-31 21:59:10,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:10,668 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:10,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:11,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:59:11,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:11,591 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:11,591 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:11,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011159775] [2024-10-31 21:59:11,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011159775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:11,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:11,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:11,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661398530] [2024-10-31 21:59:11,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:11,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:11,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:11,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:11,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:11,594 INFO L87 Difference]: Start difference. First operand 135 states and 161 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:12,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:12,269 INFO L93 Difference]: Finished difference Result 202 states and 237 transitions. [2024-10-31 21:59:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:12,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-10-31 21:59:12,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:12,276 INFO L225 Difference]: With dead ends: 202 [2024-10-31 21:59:12,276 INFO L226 Difference]: Without dead ends: 202 [2024-10-31 21:59:12,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:12,278 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 38 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:12,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 323 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-31 21:59:12,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-31 21:59:12,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 171. [2024-10-31 21:59:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 165 states have (on average 1.1575757575757575) internal successors, (191), 166 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 197 transitions. [2024-10-31 21:59:12,288 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 197 transitions. Word has length 64 [2024-10-31 21:59:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:12,289 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 197 transitions. [2024-10-31 21:59:12,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:12,289 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 197 transitions. [2024-10-31 21:59:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-31 21:59:12,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:12,292 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:12,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 21:59:12,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:12,492 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:59:12,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:12,493 INFO L85 PathProgramCache]: Analyzing trace with hash 38949275, now seen corresponding path program 1 times [2024-10-31 21:59:12,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:12,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35028615] [2024-10-31 21:59:12,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:12,494 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 [2024-10-31 21:59:12,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:12,498 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:12,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:13,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:59:13,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:13,140 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:13,140 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:13,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35028615] [2024-10-31 21:59:13,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35028615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:13,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:13,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:13,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079209446] [2024-10-31 21:59:13,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:13,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:13,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:13,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:13,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:13,149 INFO L87 Difference]: Start difference. First operand 171 states and 197 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:13,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:13,206 INFO L93 Difference]: Finished difference Result 174 states and 201 transitions. [2024-10-31 21:59:13,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:13,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 79 [2024-10-31 21:59:13,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:13,210 INFO L225 Difference]: With dead ends: 174 [2024-10-31 21:59:13,211 INFO L226 Difference]: Without dead ends: 174 [2024-10-31 21:59:13,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:13,214 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:13,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 467 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:13,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-31 21:59:13,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-10-31 21:59:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 167 states have (on average 1.1616766467065869) internal successors, (194), 169 states have internal predecessors, (194), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-31 21:59:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 201 transitions. [2024-10-31 21:59:13,237 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 201 transitions. Word has length 79 [2024-10-31 21:59:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:13,241 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 201 transitions. [2024-10-31 21:59:13,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 201 transitions. [2024-10-31 21:59:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-31 21:59:13,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:13,244 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:13,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:13,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:13,445 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:59:13,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1292726919, now seen corresponding path program 1 times [2024-10-31 21:59:13,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:13,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880145235] [2024-10-31 21:59:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:13,447 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 [2024-10-31 21:59:13,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:13,448 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:13,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:13,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:59:13,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:59:14,033 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:59:14,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:14,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880145235] [2024-10-31 21:59:14,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880145235] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:14,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 21:59:14,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-31 21:59:14,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112799321] [2024-10-31 21:59:14,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:14,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 21:59:14,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:14,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 21:59:14,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:59:14,221 INFO L87 Difference]: Start difference. First operand 174 states and 201 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 21:59:14,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:14,503 INFO L93 Difference]: Finished difference Result 185 states and 217 transitions. [2024-10-31 21:59:14,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 21:59:14,504 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 81 [2024-10-31 21:59:14,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:14,505 INFO L225 Difference]: With dead ends: 185 [2024-10-31 21:59:14,506 INFO L226 Difference]: Without dead ends: 185 [2024-10-31 21:59:14,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-31 21:59:14,507 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 5 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:14,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 623 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:59:14,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-31 21:59:14,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183. [2024-10-31 21:59:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 175 states have (on average 1.1885714285714286) internal successors, (208), 177 states have internal predecessors, (208), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-31 21:59:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 215 transitions. [2024-10-31 21:59:14,514 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 215 transitions. Word has length 81 [2024-10-31 21:59:14,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:14,515 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 215 transitions. [2024-10-31 21:59:14,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 21:59:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 215 transitions. [2024-10-31 21:59:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-31 21:59:14,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:14,517 INFO L215 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:14,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:14,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:14,718 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:59:14,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:14,718 INFO L85 PathProgramCache]: Analyzing trace with hash 152701467, now seen corresponding path program 2 times [2024-10-31 21:59:14,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:14,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738311894] [2024-10-31 21:59:14,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:59:14,719 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 [2024-10-31 21:59:14,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:14,723 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:14,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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)] Waiting until timeout for monitored process [2024-10-31 21:59:15,260 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:59:15,260 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:15,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:59:15,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 21:59:15,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:15,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:15,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738311894] [2024-10-31 21:59:15,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738311894] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:15,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 21:59:15,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-31 21:59:15,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641888433] [2024-10-31 21:59:15,847 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:15,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 21:59:15,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:15,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 21:59:15,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-31 21:59:15,849 INFO L87 Difference]: Start difference. First operand 183 states and 215 transitions. Second operand has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 21:59:16,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:16,800 INFO L93 Difference]: Finished difference Result 198 states and 237 transitions. [2024-10-31 21:59:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-31 21:59:16,804 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 85 [2024-10-31 21:59:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:16,806 INFO L225 Difference]: With dead ends: 198 [2024-10-31 21:59:16,806 INFO L226 Difference]: Without dead ends: 194 [2024-10-31 21:59:16,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-10-31 21:59:16,807 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 8 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:16,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1087 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 21:59:16,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-10-31 21:59:16,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2024-10-31 21:59:16,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 184 states have (on average 1.1956521739130435) internal successors, (220), 186 states have internal predecessors, (220), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-31 21:59:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 227 transitions. [2024-10-31 21:59:16,817 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 227 transitions. Word has length 85 [2024-10-31 21:59:16,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:16,817 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 227 transitions. [2024-10-31 21:59:16,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 21:59:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 227 transitions. [2024-10-31 21:59:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-31 21:59:16,819 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:16,820 INFO L215 NwaCegarLoop]: trace histogram [15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:16,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 21:59:17,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:17,020 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:59:17,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:17,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1944501211, now seen corresponding path program 3 times [2024-10-31 21:59:17,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:17,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012514564] [2024-10-31 21:59:17,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 21:59:17,022 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 [2024-10-31 21:59:17,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:17,023 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:17,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac2f556c-e9f5-4b5d-b6d4-49187801fb09/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:17,484 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-31 21:59:17,484 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:59:17,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:59:17,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-10-31 21:59:17,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:17,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:17,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012514564] [2024-10-31 21:59:17,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012514564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:17,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:17,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:17,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243086070] [2024-10-31 21:59:17,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:17,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:17,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:17,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:17,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:17,867 INFO L87 Difference]: Start difference. First operand 192 states and 227 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:59:22,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []