./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:52,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:52,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2023-11-19 07:34:52,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:52,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:52,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:52,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:52,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:52,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:34:52,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:34:52,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:52,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:52,564 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:52,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:52,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:34:52,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:34:52,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:52,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:34:52,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:52,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:34:52,570 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:34:52,571 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:34:52,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:34:52,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:34:52,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:34:52,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:34:52,573 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:34:52,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:34:52,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:52,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:52,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:52,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:34:52,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:52,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:52,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:34:52,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:52,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:34:52,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:34:52,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:34:52,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:34:52,578 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:34:52,579 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_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2023-11-19 07:34:52,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:52,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:52,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:52,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:52,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:52,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2023-11-19 07:34:56,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:56,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:56,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2023-11-19 07:34:56,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/data/70747c2e3/d023e96d1be94e708b6caaeebe280133/FLAGea6a87142 [2023-11-19 07:34:56,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/data/70747c2e3/d023e96d1be94e708b6caaeebe280133 [2023-11-19 07:34:56,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:56,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:56,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:56,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:56,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:56,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:56" (1/1) ... [2023-11-19 07:34:56,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4abe9ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:56, skipping insertion in model container [2023-11-19 07:34:56,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:56" (1/1) ... [2023-11-19 07:34:56,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:57,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:57,741 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 07:34:57,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@602c9b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:57, skipping insertion in model container [2023-11-19 07:34:57,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:57,742 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:34:57,745 INFO L158 Benchmark]: Toolchain (without parser) took 1066.83ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 67.0MB in the beginning and 108.1MB in the end (delta: -41.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-19 07:34:57,745 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory was 106.3MB in the beginning and 106.1MB in the end (delta: 159.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:34:57,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1061.71ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 66.7MB in the beginning and 108.1MB in the end (delta: -41.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-19 07:34:57,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory was 106.3MB in the beginning and 106.1MB in the end (delta: 159.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1061.71ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 66.7MB in the beginning and 108.1MB in the end (delta: -41.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2221]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:00,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:00,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2023-11-19 07:35:00,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:00,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:00,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:00,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:00,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:00,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:00,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:00,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:00,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:00,507 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:00,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:00,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:00,510 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:00,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:00,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:00,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:00,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:00,513 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:35:00,513 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:35:00,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:00,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:00,515 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:35:00,515 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:35:00,515 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:35:00,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:35:00,516 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:00,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:00,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:00,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:00,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:00,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:00,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:00,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:00,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:00,520 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:35:00,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:35:00,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:00,522 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:00,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:00,522 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:35:00,522 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:00,523 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_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2023-11-19 07:35:00,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:01,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:01,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:01,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:01,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:01,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2023-11-19 07:35:04,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:04,711 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:04,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2023-11-19 07:35:04,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/data/6cf891e9b/b63f0ebdba3d43459b9cb1a1618ae4bc/FLAGffd2b598e [2023-11-19 07:35:04,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/data/6cf891e9b/b63f0ebdba3d43459b9cb1a1618ae4bc [2023-11-19 07:35:04,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:04,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:04,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:04,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:04,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:04,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:04" (1/1) ... [2023-11-19 07:35:04,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd11ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:04, skipping insertion in model container [2023-11-19 07:35:04,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:04" (1/1) ... [2023-11-19 07:35:04,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:05,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:05,935 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:35:05,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:06,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:06,133 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:06,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:06,307 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:35:06,314 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:06,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06 WrapperNode [2023-11-19 07:35:06,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:06,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:06,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:06,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:06,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,506 INFO L138 Inliner]: procedures = 180, calls = 783, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3025 [2023-11-19 07:35:06,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:06,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:06,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:06,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:06,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:06,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:06,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:06,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:06,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (1/1) ... [2023-11-19 07:35:06,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:06,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:06,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:06,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 07:35:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 07:35:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 07:35:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:35:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:35:06,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:35:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:35:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:35:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:35:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:35:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:35:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:35:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:35:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:35:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:35:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:35:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:07,123 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:07,126 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:17,875 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:17,894 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:17,895 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 07:35:17,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:17 BoogieIcfgContainer [2023-11-19 07:35:17,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:17,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:17,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:17,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:17,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:04" (1/3) ... [2023-11-19 07:35:17,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4c60e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:17, skipping insertion in model container [2023-11-19 07:35:17,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:06" (2/3) ... [2023-11-19 07:35:17,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4c60e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:17, skipping insertion in model container [2023-11-19 07:35:17,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:17" (3/3) ... [2023-11-19 07:35:17,921 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-2.i [2023-11-19 07:35:17,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:17,940 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 07:35:18,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:18,031 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f735a16, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:18,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 07:35:18,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 1207 states, 696 states have (on average 1.9022988505747127) internal successors, (1324), 1200 states have internal predecessors, (1324), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2023-11-19 07:35:18,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:35:18,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:18,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:18,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-19 07:35:18,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:18,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1459885296, now seen corresponding path program 1 times [2023-11-19 07:35:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:18,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626851962] [2023-11-19 07:35:18,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:18,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:18,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:18,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:35:18,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:35:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:18,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:35:18,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:18,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:18,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:18,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626851962] [2023-11-19 07:35:18,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626851962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:18,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:18,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:35:18,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882287600] [2023-11-19 07:35:18,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:18,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:35:18,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:18,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:35:18,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:35:18,394 INFO L87 Difference]: Start difference. First operand has 1207 states, 696 states have (on average 1.9022988505747127) internal successors, (1324), 1200 states have internal predecessors, (1324), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:18,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:18,600 INFO L93 Difference]: Finished difference Result 1205 states and 2262 transitions. [2023-11-19 07:35:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:35:18,602 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-19 07:35:18,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:18,643 INFO L225 Difference]: With dead ends: 1205 [2023-11-19 07:35:18,643 INFO L226 Difference]: Without dead ends: 1203 [2023-11-19 07:35:18,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:35:18,648 INFO L413 NwaCegarLoop]: 2262 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, 2262 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 [2023-11-19 07:35:18,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:18,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2023-11-19 07:35:19,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1203. [2023-11-19 07:35:19,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 694 states have (on average 1.8040345821325647) internal successors, (1252), 1196 states have internal predecessors, (1252), 505 states have call successors, (505), 3 states have call predecessors, (505), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2023-11-19 07:35:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 2260 transitions. [2023-11-19 07:35:19,112 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 2260 transitions. Word has length 11 [2023-11-19 07:35:19,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:19,112 INFO L495 AbstractCegarLoop]: Abstraction has 1203 states and 2260 transitions. [2023-11-19 07:35:19,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 2260 transitions. [2023-11-19 07:35:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:35:19,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:19,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:19,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:19,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:19,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-19 07:35:19,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:19,319 INFO L85 PathProgramCache]: Analyzing trace with hash -61402928, now seen corresponding path program 1 times [2023-11-19 07:35:19,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:19,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360266871] [2023-11-19 07:35:19,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:19,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:19,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:19,323 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:35:19,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:35:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:19,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:35:19,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:19,637 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:19,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360266871] [2023-11-19 07:35:19,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360266871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:19,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:19,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:35:19,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814645939] [2023-11-19 07:35:19,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:19,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:35:19,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:19,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:35:19,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:19,642 INFO L87 Difference]: Start difference. First operand 1203 states and 2260 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:20,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:20,527 INFO L93 Difference]: Finished difference Result 2325 states and 4418 transitions. [2023-11-19 07:35:20,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:35:20,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2023-11-19 07:35:20,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:20,554 INFO L225 Difference]: With dead ends: 2325 [2023-11-19 07:35:20,554 INFO L226 Difference]: Without dead ends: 2325 [2023-11-19 07:35:20,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:20,558 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 1155 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1657 SdHoareTripleChecker+Valid, 4474 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:20,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1657 Valid, 4474 Invalid, 40 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 07:35:20,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2023-11-19 07:35:20,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 2293. [2023-11-19 07:35:20,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2293 states, 1284 states have (on average 1.8450155763239875) internal successors, (2369), 2286 states have internal predecessors, (2369), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2023-11-19 07:35:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 4377 transitions. [2023-11-19 07:35:20,931 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 4377 transitions. Word has length 13 [2023-11-19 07:35:20,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:20,932 INFO L495 AbstractCegarLoop]: Abstraction has 2293 states and 4377 transitions. [2023-11-19 07:35:20,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 4377 transitions. [2023-11-19 07:35:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:35:20,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:20,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:20,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:21,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:21,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-19 07:35:21,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:21,137 INFO L85 PathProgramCache]: Analyzing trace with hash -59555886, now seen corresponding path program 1 times [2023-11-19 07:35:21,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:21,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911685927] [2023-11-19 07:35:21,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:21,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:21,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:21,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:35:21,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:35:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:35:21,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:21,391 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:35:21,392 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:35:21,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2023-11-19 07:35:21,468 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:35:21,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 22 [2023-11-19 07:35:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:21,503 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:21,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:21,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911685927] [2023-11-19 07:35:21,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911685927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:21,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:21,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:21,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790937241] [2023-11-19 07:35:21,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:21,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:21,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:21,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:21,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:21,506 INFO L87 Difference]: Start difference. First operand 2293 states and 4377 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:24,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:35:31,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:35:31,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:31,731 INFO L93 Difference]: Finished difference Result 4387 states and 8500 transitions. [2023-11-19 07:35:31,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:31,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2023-11-19 07:35:31,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:31,771 INFO L225 Difference]: With dead ends: 4387 [2023-11-19 07:35:31,771 INFO L226 Difference]: Without dead ends: 4387 [2023-11-19 07:35:31,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:35:31,772 INFO L413 NwaCegarLoop]: 2449 mSDtfsCounter, 1113 mSDsluCounter, 4129 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 6578 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:31,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 6578 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 639 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2023-11-19 07:35:31,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2023-11-19 07:35:32,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 2292. [2023-11-19 07:35:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 1283 states have (on average 1.8448947778643803) internal successors, (2367), 2285 states have internal predecessors, (2367), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2023-11-19 07:35:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 4375 transitions. [2023-11-19 07:35:32,267 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 4375 transitions. Word has length 13 [2023-11-19 07:35:32,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:32,268 INFO L495 AbstractCegarLoop]: Abstraction has 2292 states and 4375 transitions. [2023-11-19 07:35:32,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 4375 transitions. [2023-11-19 07:35:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 07:35:32,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:32,272 INFO L195 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, 1, 1, 1] [2023-11-19 07:35:32,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:32,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:32,476 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-19 07:35:32,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:32,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1769449297, now seen corresponding path program 1 times [2023-11-19 07:35:32,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:32,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399427435] [2023-11-19 07:35:32,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:32,478 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:32,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:32,484 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:35:32,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 07:35:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:33,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:35:33,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:35:33,103 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:33,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:33,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399427435] [2023-11-19 07:35:33,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399427435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:33,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:33,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:33,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56967444] [2023-11-19 07:35:33,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:33,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:33,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:33,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:33,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:33,107 INFO L87 Difference]: Start difference. First operand 2292 states and 4375 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:35:33,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:33,351 INFO L93 Difference]: Finished difference Result 2300 states and 4367 transitions. [2023-11-19 07:35:33,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:33,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84 [2023-11-19 07:35:33,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:33,371 INFO L225 Difference]: With dead ends: 2300 [2023-11-19 07:35:33,371 INFO L226 Difference]: Without dead ends: 2300 [2023-11-19 07:35:33,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:35:33,373 INFO L413 NwaCegarLoop]: 2231 mSDtfsCounter, 36 mSDsluCounter, 4436 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 6667 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:33,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 6667 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:35:33,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2023-11-19 07:35:33,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2298. [2023-11-19 07:35:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2298 states, 1289 states have (on average 1.8285492629945694) internal successors, (2357), 2291 states have internal predecessors, (2357), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2023-11-19 07:35:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 2298 states and 4365 transitions. [2023-11-19 07:35:33,792 INFO L78 Accepts]: Start accepts. Automaton has 2298 states and 4365 transitions. Word has length 84 [2023-11-19 07:35:33,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:33,793 INFO L495 AbstractCegarLoop]: Abstraction has 2298 states and 4365 transitions. [2023-11-19 07:35:33,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:35:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 4365 transitions. [2023-11-19 07:35:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 07:35:33,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:33,801 INFO L195 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, 1, 1, 1] [2023-11-19 07:35:33,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:34,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:34,011 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-19 07:35:34,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:34,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1786260293, now seen corresponding path program 1 times [2023-11-19 07:35:34,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:34,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473809026] [2023-11-19 07:35:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:34,014 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:34,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:34,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:35:34,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 07:35:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:34,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:35:34,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:34,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:34,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:34,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473809026] [2023-11-19 07:35:34,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473809026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:34,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:34,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:34,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107943764] [2023-11-19 07:35:34,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:34,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:34,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:34,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:34,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:34,722 INFO L87 Difference]: Start difference. First operand 2298 states and 4365 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-11-19 07:35:34,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:34,846 INFO L93 Difference]: Finished difference Result 2301 states and 4369 transitions. [2023-11-19 07:35:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:34,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 84 [2023-11-19 07:35:34,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:34,868 INFO L225 Difference]: With dead ends: 2301 [2023-11-19 07:35:34,868 INFO L226 Difference]: Without dead ends: 2301 [2023-11-19 07:35:34,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:35:34,870 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 2 mSDsluCounter, 4488 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6734 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:34,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6734 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:34,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2023-11-19 07:35:35,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2301. [2023-11-19 07:35:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 1291 states have (on average 1.8280402788536019) internal successors, (2360), 2294 states have internal predecessors, (2360), 1005 states have call successors, (1005), 3 states have call predecessors, (1005), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2023-11-19 07:35:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 4369 transitions. [2023-11-19 07:35:35,547 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 4369 transitions. Word has length 84 [2023-11-19 07:35:35,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:35,550 INFO L495 AbstractCegarLoop]: Abstraction has 2301 states and 4369 transitions. [2023-11-19 07:35:35,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-11-19 07:35:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 4369 transitions. [2023-11-19 07:35:35,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 07:35:35,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:35,555 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1] [2023-11-19 07:35:35,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:35,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:35,764 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-19 07:35:35,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:35,765 INFO L85 PathProgramCache]: Analyzing trace with hash -299466823, now seen corresponding path program 1 times [2023-11-19 07:35:35,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:35,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629330382] [2023-11-19 07:35:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:35,767 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:35,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:35,768 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:35:35,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 07:35:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:36,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:36,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:35:36,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:35:36,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:36,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629330382] [2023-11-19 07:35:36,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629330382] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:36,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:35:36,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 07:35:36,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584680607] [2023-11-19 07:35:36,578 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:36,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:35:36,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:36,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:35:36,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:35:36,580 INFO L87 Difference]: Start difference. First operand 2301 states and 4369 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 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) [2023-11-19 07:35:36,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:36,927 INFO L93 Difference]: Finished difference Result 2312 states and 4385 transitions. [2023-11-19 07:35:36,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:35:36,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 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 86 [2023-11-19 07:35:36,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:36,948 INFO L225 Difference]: With dead ends: 2312 [2023-11-19 07:35:36,948 INFO L226 Difference]: Without dead ends: 2312 [2023-11-19 07:35:36,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:35:36,949 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 8 mSDsluCounter, 8973 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11220 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:36,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11220 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:35:36,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2023-11-19 07:35:37,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2310. [2023-11-19 07:35:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2310 states, 1299 states have (on average 1.8275596612779061) internal successors, (2374), 2302 states have internal predecessors, (2374), 1005 states have call successors, (1005), 4 states have call predecessors, (1005), 4 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2023-11-19 07:35:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 4383 transitions. [2023-11-19 07:35:37,479 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 4383 transitions. Word has length 86 [2023-11-19 07:35:37,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:37,480 INFO L495 AbstractCegarLoop]: Abstraction has 2310 states and 4383 transitions. [2023-11-19 07:35:37,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 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) [2023-11-19 07:35:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 4383 transitions. [2023-11-19 07:35:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 07:35:37,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:37,483 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1] [2023-11-19 07:35:37,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:37,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:37,693 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-19 07:35:37,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:37,694 INFO L85 PathProgramCache]: Analyzing trace with hash -247821477, now seen corresponding path program 2 times [2023-11-19 07:35:37,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:37,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460521460] [2023-11-19 07:35:37,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:35:37,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:35:37,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:37,698 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:35:37,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6cc4b-df0b-4418-94c6-e5e2a5b09922/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 07:35:38,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 07:35:38,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:35:38,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:35:38,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 07:35:38,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:38,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:38,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460521460] [2023-11-19 07:35:38,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460521460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:38,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:38,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:38,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605295867] [2023-11-19 07:35:38,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:38,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:38,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:38,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:38,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:38,166 INFO L87 Difference]: Start difference. First operand 2310 states and 4383 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:35:40,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:35:42,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:35:46,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []