./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/cut-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/cut-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash edd54c5cc2e5bc16faff7edb80304df4d814ad9943251d6ef92f10d221d4751a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:51:55,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:51:55,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-28 23:51:55,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:51:55,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:51:55,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:51:55,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:51:55,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:51:55,431 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:51:55,432 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:51:55,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:51:55,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:51:55,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:51:55,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:51:55,435 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:51:55,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:51:55,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:51:55,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:51:55,437 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-28 23:51:55,438 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-28 23:51:55,438 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-28 23:51:55,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:51:55,439 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 23:51:55,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:51:55,440 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:51:55,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:51:55,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:51:55,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:51:55,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:51:55,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:51:55,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:51:55,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:51:55,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:51:55,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:51:55,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:51:55,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:51:55,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:51:55,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:51:55,445 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_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edd54c5cc2e5bc16faff7edb80304df4d814ad9943251d6ef92f10d221d4751a [2023-11-28 23:51:55,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:51:55,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:51:55,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:51:55,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:51:55,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:51:55,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/cut-2.i [2023-11-28 23:51:58,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:51:58,902 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:51:58,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/sv-benchmarks/c/busybox-1.22.0/cut-2.i [2023-11-28 23:51:58,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/data/bb7094e39/d3705a6ef57e4d319cdb450dad6823a2/FLAG49a421108 [2023-11-28 23:51:59,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/data/bb7094e39/d3705a6ef57e4d319cdb450dad6823a2 [2023-11-28 23:51:59,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:51:59,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:51:59,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:51:59,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:51:59,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:51:59,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:59" (1/1) ... [2023-11-28 23:51:59,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee1b72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:59, skipping insertion in model container [2023-11-28 23:51:59,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:59" (1/1) ... [2023-11-28 23:51:59,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:52:00,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:52:00,665 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) [2023-11-28 23:52:00,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@370e9455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:00, skipping insertion in model container [2023-11-28 23:52:00,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:52:00,666 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-28 23:52:00,668 INFO L158 Benchmark]: Toolchain (without parser) took 1574.41ms. Allocated memory is still 148.9MB. Free memory was 115.7MB in the beginning and 73.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-28 23:52:00,669 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:52:00,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1571.99ms. Allocated memory is still 148.9MB. Free memory was 115.7MB in the beginning and 73.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-28 23:52:00,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1571.99ms. Allocated memory is still 148.9MB. Free memory was 115.7MB in the beginning and 73.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2228]: 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_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/cut-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash edd54c5cc2e5bc16faff7edb80304df4d814ad9943251d6ef92f10d221d4751a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:52:02,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:52:02,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-28 23:52:02,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:52:02,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:52:02,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:52:02,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:52:02,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:52:02,594 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:52:02,595 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:52:02,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:52:02,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:52:02,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:52:02,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:52:02,599 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:52:02,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:52:02,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:52:02,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:52:02,601 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-28 23:52:02,601 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-28 23:52:02,602 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-28 23:52:02,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:52:02,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 23:52:02,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 23:52:02,603 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 23:52:02,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:52:02,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:52:02,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:52:02,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:52:02,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:52:02,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:52:02,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:52:02,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:52:02,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:52:02,607 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 23:52:02,607 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 23:52:02,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:52:02,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:52:02,607 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:52:02,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:52:02,608 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 23:52:02,608 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_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edd54c5cc2e5bc16faff7edb80304df4d814ad9943251d6ef92f10d221d4751a [2023-11-28 23:52:02,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:52:02,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:52:02,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:52:02,939 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:52:02,940 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:52:02,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/cut-2.i [2023-11-28 23:52:05,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:52:06,142 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:52:06,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/sv-benchmarks/c/busybox-1.22.0/cut-2.i [2023-11-28 23:52:06,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/data/171f4b4e6/0081d85660664d2a9ca68523a0c1647a/FLAG58a76feb8 [2023-11-28 23:52:06,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/data/171f4b4e6/0081d85660664d2a9ca68523a0c1647a [2023-11-28 23:52:06,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:52:06,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:52:06,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:52:06,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:52:06,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:52:06,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:06" (1/1) ... [2023-11-28 23:52:06,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48556804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:06, skipping insertion in model container [2023-11-28 23:52:06,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:06" (1/1) ... [2023-11-28 23:52:06,279 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:52:07,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:52:07,592 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-28 23:52:07,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:52:07,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:52:07,805 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:52:07,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:52:08,132 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,133 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,133 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,133 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,133 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,133 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,134 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,134 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,134 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,134 WARN L675 CHandler]: The function strtok is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,134 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:52:08,142 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:52:08,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08 WrapperNode [2023-11-28 23:52:08,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:52:08,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:52:08,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:52:08,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:52:08,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,367 INFO L138 Inliner]: procedures = 595, calls = 569, calls flagged for inlining = 30, calls inlined = 28, statements flattened = 1910 [2023-11-28 23:52:08,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:52:08,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:52:08,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:52:08,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:52:08,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,395 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,541 INFO L175 MemorySlicer]: Split 390 memory accesses to 22 slices as follows [2, 57, 8, 3, 6, 6, 3, 2, 11, 7, 44, 120, 3, 2, 16, 18, 17, 1, 40, 1, 20, 3]. 31 percent of accesses are in the largest equivalence class. The 111 initializations are split as follows [2, 20, 0, 3, 0, 4, 0, 2, 1, 0, 0, 48, 0, 0, 16, 0, 4, 0, 11, 0, 0, 0]. The 91 writes are split as follows [0, 23, 8, 0, 2, 2, 0, 0, 5, 4, 12, 21, 0, 1, 0, 4, 4, 1, 0, 1, 3, 0]. [2023-11-28 23:52:08,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:52:08,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:52:08,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:52:08,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:52:08,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (1/1) ... [2023-11-28 23:52:08,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:52:08,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:52:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-28 23:52:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2023-11-28 23:52:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2023-11-28 23:52:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2023-11-28 23:52:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2023-11-28 23:52:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2023-11-28 23:52:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2023-11-28 23:52:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2023-11-28 23:52:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2023-11-28 23:52:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2023-11-28 23:52:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2023-11-28 23:52:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2023-11-28 23:52:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2023-11-28 23:52:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2023-11-28 23:52:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2023-11-28 23:52:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2023-11-28 23:52:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2023-11-28 23:52:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2023-11-28 23:52:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2023-11-28 23:52:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2023-11-28 23:52:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2023-11-28 23:52:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2023-11-28 23:52:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2023-11-28 23:52:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2023-11-28 23:52:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2023-11-28 23:52:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2023-11-28 23:52:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2023-11-28 23:52:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2023-11-28 23:52:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2023-11-28 23:52:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2023-11-28 23:52:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2023-11-28 23:52:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2023-11-28 23:52:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2023-11-28 23:52:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2023-11-28 23:52:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2023-11-28 23:52:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2023-11-28 23:52:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2023-11-28 23:52:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2023-11-28 23:52:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2023-11-28 23:52:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2023-11-28 23:52:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2023-11-28 23:52:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2023-11-28 23:52:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2023-11-28 23:52:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2023-11-28 23:52:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2023-11-28 23:52:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure xatoi_positive [2023-11-28 23:52:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoi_positive [2023-11-28 23:52:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-28 23:52:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-28 23:52:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-28 23:52:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:52:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 23:52:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-28 23:52:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-28 23:52:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-28 23:52:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-28 23:52:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-28 23:52:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-28 23:52:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-28 23:52:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-28 23:52:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-28 23:52:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-28 23:52:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-28 23:52:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-28 23:52:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-11-28 23:52:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-11-28 23:52:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-11-28 23:52:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-11-28 23:52:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-11-28 23:52:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-11-28 23:52:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2023-11-28 23:52:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2023-11-28 23:52:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2023-11-28 23:52:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-28 23:52:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-28 23:52:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-28 23:52:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-28 23:52:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-28 23:52:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-28 23:52:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-28 23:52:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-28 23:52:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-11-28 23:52:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-11-28 23:52:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-11-28 23:52:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-11-28 23:52:08,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-11-28 23:52:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-11-28 23:52:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2023-11-28 23:52:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2023-11-28 23:52:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2023-11-28 23:52:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17 [2023-11-28 23:52:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#18 [2023-11-28 23:52:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#19 [2023-11-28 23:52:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#20 [2023-11-28 23:52:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#21 [2023-11-28 23:52:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-28 23:52:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-28 23:52:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-28 23:52:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-28 23:52:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-28 23:52:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-28 23:52:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-28 23:52:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-28 23:52:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:52:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-28 23:52:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-28 23:52:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-28 23:52:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-28 23:52:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-28 23:52:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-28 23:52:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-28 23:52:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-28 23:52:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-28 23:52:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-28 23:52:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-28 23:52:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-28 23:52:08,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-28 23:52:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-28 23:52:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-28 23:52:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-28 23:52:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-28 23:52:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-28 23:52:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-28 23:52:08,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-28 23:52:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-28 23:52:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-28 23:52:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2023-11-28 23:52:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2023-11-28 23:52:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2023-11-28 23:52:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2023-11-28 23:52:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2023-11-28 23:52:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2023-11-28 23:52:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2023-11-28 23:52:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2023-11-28 23:52:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2023-11-28 23:52:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2023-11-28 23:52:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2023-11-28 23:52:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#11 [2023-11-28 23:52:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#12 [2023-11-28 23:52:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#13 [2023-11-28 23:52:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#14 [2023-11-28 23:52:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#15 [2023-11-28 23:52:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#16 [2023-11-28 23:52:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#17 [2023-11-28 23:52:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#18 [2023-11-28 23:52:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#19 [2023-11-28 23:52:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#20 [2023-11-28 23:52:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#21 [2023-11-28 23:52:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2023-11-28 23:52:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2023-11-28 23:52:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2023-11-28 23:52:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2023-11-28 23:52:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2023-11-28 23:52:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2023-11-28 23:52:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2023-11-28 23:52:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2023-11-28 23:52:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2023-11-28 23:52:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2023-11-28 23:52:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2023-11-28 23:52:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#11 [2023-11-28 23:52:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#12 [2023-11-28 23:52:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#13 [2023-11-28 23:52:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#14 [2023-11-28 23:52:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#15 [2023-11-28 23:52:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#16 [2023-11-28 23:52:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#17 [2023-11-28 23:52:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#18 [2023-11-28 23:52:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#19 [2023-11-28 23:52:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#20 [2023-11-28 23:52:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#21 [2023-11-28 23:52:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2023-11-28 23:52:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2023-11-28 23:52:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2023-11-28 23:52:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2023-11-28 23:52:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2023-11-28 23:52:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2023-11-28 23:52:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2023-11-28 23:52:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2023-11-28 23:52:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2023-11-28 23:52:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2023-11-28 23:52:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2023-11-28 23:52:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#11 [2023-11-28 23:52:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#12 [2023-11-28 23:52:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#13 [2023-11-28 23:52:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#14 [2023-11-28 23:52:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#15 [2023-11-28 23:52:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#16 [2023-11-28 23:52:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#17 [2023-11-28 23:52:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#18 [2023-11-28 23:52:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#19 [2023-11-28 23:52:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#20 [2023-11-28 23:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#21 [2023-11-28 23:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2023-11-28 23:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2023-11-28 23:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2023-11-28 23:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2023-11-28 23:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2023-11-28 23:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2023-11-28 23:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2023-11-28 23:52:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2023-11-28 23:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2023-11-28 23:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2023-11-28 23:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2023-11-28 23:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#11 [2023-11-28 23:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#12 [2023-11-28 23:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#13 [2023-11-28 23:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#14 [2023-11-28 23:52:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#15 [2023-11-28 23:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#16 [2023-11-28 23:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#17 [2023-11-28 23:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#18 [2023-11-28 23:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#19 [2023-11-28 23:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#20 [2023-11-28 23:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#21 [2023-11-28 23:52:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:52:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:52:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-28 23:52:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-28 23:52:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-28 23:52:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-28 23:52:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-28 23:52:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-28 23:52:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-28 23:52:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-28 23:52:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-11-28 23:52:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-11-28 23:52:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-11-28 23:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-11-28 23:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-11-28 23:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-11-28 23:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-11-28 23:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-11-28 23:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-11-28 23:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2023-11-28 23:52:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18 [2023-11-28 23:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#19 [2023-11-28 23:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#20 [2023-11-28 23:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#21 [2023-11-28 23:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-28 23:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-28 23:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-28 23:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-28 23:52:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-28 23:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-28 23:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-28 23:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-28 23:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-28 23:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-28 23:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-28 23:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-28 23:52:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-28 23:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-28 23:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-28 23:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-28 23:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-28 23:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-28 23:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-28 23:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-28 23:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-28 23:52:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2023-11-28 23:52:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-28 23:52:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-28 23:52:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-28 23:52:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-28 23:52:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-28 23:52:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-28 23:52:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-28 23:52:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-28 23:52:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-28 23:52:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-28 23:52:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-28 23:52:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-28 23:52:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-28 23:52:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-28 23:52:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-28 23:52:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-28 23:52:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-28 23:52:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-28 23:52:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-28 23:52:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-28 23:52:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-28 23:52:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2023-11-28 23:52:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-28 23:52:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-28 23:52:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-28 23:52:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-28 23:52:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-28 23:52:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-28 23:52:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-28 23:52:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-28 23:52:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-28 23:52:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-28 23:52:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-28 23:52:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-28 23:52:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-28 23:52:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-28 23:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-28 23:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-11-28 23:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-11-28 23:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-11-28 23:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-11-28 23:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-11-28 23:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-11-28 23:52:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2023-11-28 23:52:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2023-11-28 23:52:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2023-11-28 23:52:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-28 23:52:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-28 23:52:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-28 23:52:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-28 23:52:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-28 23:52:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-28 23:52:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-28 23:52:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-28 23:52:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-28 23:52:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-28 23:52:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-28 23:52:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-28 23:52:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-28 23:52:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-28 23:52:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-28 23:52:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-28 23:52:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-28 23:52:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-28 23:52:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-28 23:52:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-28 23:52:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-28 23:52:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-28 23:52:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-28 23:52:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-28 23:52:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-28 23:52:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-28 23:52:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-28 23:52:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-28 23:52:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-28 23:52:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-28 23:52:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-28 23:52:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-28 23:52:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-28 23:52:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-28 23:52:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-28 23:52:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-28 23:52:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-28 23:52:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-28 23:52:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-28 23:52:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-28 23:52:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-28 23:52:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-28 23:52:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-28 23:52:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-28 23:52:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2023-11-28 23:52:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2023-11-28 23:52:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-28 23:52:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-28 23:52:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-28 23:52:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-28 23:52:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-28 23:52:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-28 23:52:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-28 23:52:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-28 23:52:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-28 23:52:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-28 23:52:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-28 23:52:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-28 23:52:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-28 23:52:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-28 23:52:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-28 23:52:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-28 23:52:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-28 23:52:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-28 23:52:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-28 23:52:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-28 23:52:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-28 23:52:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-28 23:52:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-28 23:52:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-28 23:52:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-28 23:52:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-28 23:52:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-28 23:52:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-28 23:52:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-28 23:52:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-28 23:52:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-28 23:52:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-28 23:52:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-28 23:52:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-28 23:52:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-28 23:52:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-28 23:52:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-28 23:52:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-28 23:52:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-28 23:52:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-28 23:52:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-28 23:52:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-28 23:52:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-28 23:52:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-28 23:52:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-28 23:52:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 23:52:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 23:52:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 23:52:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-28 23:52:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-28 23:52:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-28 23:52:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-28 23:52:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-28 23:52:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-28 23:52:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-28 23:52:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-28 23:52:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-28 23:52:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-28 23:52:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-28 23:52:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-28 23:52:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-28 23:52:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-28 23:52:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-28 23:52:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-28 23:52:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-28 23:52:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-28 23:52:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-28 23:52:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-28 23:52:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-28 23:52:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-28 23:52:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-28 23:52:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2023-11-28 23:52:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2023-11-28 23:52:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2023-11-28 23:52:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2023-11-28 23:52:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2023-11-28 23:52:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2023-11-28 23:52:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2023-11-28 23:52:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2023-11-28 23:52:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2023-11-28 23:52:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2023-11-28 23:52:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2023-11-28 23:52:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2023-11-28 23:52:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2023-11-28 23:52:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2023-11-28 23:52:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#14 [2023-11-28 23:52:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#15 [2023-11-28 23:52:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#16 [2023-11-28 23:52:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#17 [2023-11-28 23:52:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#18 [2023-11-28 23:52:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#19 [2023-11-28 23:52:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#20 [2023-11-28 23:52:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#21 [2023-11-28 23:52:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-28 23:52:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-28 23:52:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-28 23:52:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-28 23:52:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-28 23:52:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-28 23:52:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-11-28 23:52:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-11-28 23:52:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2023-11-28 23:52:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2023-11-28 23:52:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#19 [2023-11-28 23:52:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#20 [2023-11-28 23:52:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#21 [2023-11-28 23:52:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-28 23:52:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-28 23:52:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-28 23:52:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-11-28 23:52:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-28 23:52:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-28 23:52:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-28 23:52:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2023-11-28 23:52:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2023-11-28 23:52:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2023-11-28 23:52:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2023-11-28 23:52:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2023-11-28 23:52:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#13 [2023-11-28 23:52:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#14 [2023-11-28 23:52:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#15 [2023-11-28 23:52:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#16 [2023-11-28 23:52:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#17 [2023-11-28 23:52:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#18 [2023-11-28 23:52:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#19 [2023-11-28 23:52:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#20 [2023-11-28 23:52:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#21 [2023-11-28 23:52:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2023-11-28 23:52:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2023-11-28 23:52:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2023-11-28 23:52:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2023-11-28 23:52:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2023-11-28 23:52:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2023-11-28 23:52:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2023-11-28 23:52:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2023-11-28 23:52:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2023-11-28 23:52:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2023-11-28 23:52:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2023-11-28 23:52:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2023-11-28 23:52:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2023-11-28 23:52:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#13 [2023-11-28 23:52:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#14 [2023-11-28 23:52:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#15 [2023-11-28 23:52:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#16 [2023-11-28 23:52:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#17 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#18 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#19 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#20 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#21 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2023-11-28 23:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#13 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#14 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#15 [2023-11-28 23:52:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#16 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#17 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#18 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#19 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#20 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#21 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2023-11-28 23:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#13 [2023-11-28 23:52:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#14 [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#15 [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#16 [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#17 [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#18 [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#19 [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#20 [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#21 [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-28 23:52:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-28 23:52:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-28 23:52:09,818 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:52:09,821 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:52:17,537 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,564 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,589 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,618 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,651 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,680 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,708 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,734 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,757 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,779 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,803 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:17,825 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:24,868 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:24,894 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:24,922 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:24,947 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:24,971 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:24,996 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:25,024 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:25,050 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:25,075 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:25,100 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-28 23:52:25,147 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:52:25,372 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:52:25,372 INFO L309 CfgBuilder]: Removed 56 assume(true) statements. [2023-11-28 23:52:25,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:25 BoogieIcfgContainer [2023-11-28 23:52:25,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:52:25,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:52:25,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:52:25,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:52:25,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:52:06" (1/3) ... [2023-11-28 23:52:25,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a679d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:52:25, skipping insertion in model container [2023-11-28 23:52:25,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:08" (2/3) ... [2023-11-28 23:52:25,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a679d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:52:25, skipping insertion in model container [2023-11-28 23:52:25,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:25" (3/3) ... [2023-11-28 23:52:25,415 INFO L112 eAbstractionObserver]: Analyzing ICFG cut-2.i [2023-11-28 23:52:25,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:52:25,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 695 error locations. [2023-11-28 23:52:25,499 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:52:25,505 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;@3b03a607, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:52:25,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 695 error locations. [2023-11-28 23:52:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 1288 states, 662 states have (on average 2.2220543806646527) internal successors, (1471), 1232 states have internal predecessors, (1471), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-28 23:52:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-28 23:52:25,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:52:25,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-28 23:52:25,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:52:25,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:25,527 INFO L85 PathProgramCache]: Analyzing trace with hash 112742, now seen corresponding path program 1 times [2023-11-28 23:52:25,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:52:25,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499939053] [2023-11-28 23:52:25,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:25,543 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 [2023-11-28 23:52:25,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:52:25,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:52:25,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:52:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:26,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:52:26,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:26,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-28 23:52:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:26,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:52:26,293 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:52:26,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499939053] [2023-11-28 23:52:26,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499939053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:26,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:52:26,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:52:26,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226259350] [2023-11-28 23:52:26,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:26,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:52:26,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:52:26,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:52:26,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:26,325 INFO L87 Difference]: Start difference. First operand has 1288 states, 662 states have (on average 2.2220543806646527) internal successors, (1471), 1232 states have internal predecessors, (1471), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-28 23:52:31,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:31,115 INFO L93 Difference]: Finished difference Result 1427 states and 1665 transitions. [2023-11-28 23:52:31,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:52:31,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2023-11-28 23:52:31,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:52:31,136 INFO L225 Difference]: With dead ends: 1427 [2023-11-28 23:52:31,137 INFO L226 Difference]: Without dead ends: 1426 [2023-11-28 23:52:31,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:31,141 INFO L413 NwaCegarLoop]: 1199 mSDtfsCounter, 378 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 1937 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-28 23:52:31,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 1937 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-28 23:52:31,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2023-11-28 23:52:31,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1271. [2023-11-28 23:52:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1271 states, 651 states have (on average 2.162826420890937) internal successors, (1408), 1225 states have internal predecessors, (1408), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-28 23:52:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1478 transitions. [2023-11-28 23:52:31,270 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1478 transitions. Word has length 2 [2023-11-28 23:52:31,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:52:31,270 INFO L495 AbstractCegarLoop]: Abstraction has 1271 states and 1478 transitions. [2023-11-28 23:52:31,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-28 23:52:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1478 transitions. [2023-11-28 23:52:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-28 23:52:31,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:52:31,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-28 23:52:31,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:52:31,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:52:31,472 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:52:31,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:31,473 INFO L85 PathProgramCache]: Analyzing trace with hash 112743, now seen corresponding path program 1 times [2023-11-28 23:52:31,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:52:31,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190743544] [2023-11-28 23:52:31,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:31,474 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 [2023-11-28 23:52:31,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:52:31,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:52:31,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:52:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:31,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:52:31,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:31,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-28 23:52:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:31,988 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:52:31,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:52:31,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190743544] [2023-11-28 23:52:31,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190743544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:31,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:52:31,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:52:31,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42408402] [2023-11-28 23:52:31,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:31,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:52:31,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:52:31,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:52:31,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:31,991 INFO L87 Difference]: Start difference. First operand 1271 states and 1478 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-28 23:52:38,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:38,796 INFO L93 Difference]: Finished difference Result 1270 states and 1477 transitions. [2023-11-28 23:52:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:52:38,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2023-11-28 23:52:38,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:52:38,805 INFO L225 Difference]: With dead ends: 1270 [2023-11-28 23:52:38,805 INFO L226 Difference]: Without dead ends: 1270 [2023-11-28 23:52:38,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:38,807 INFO L413 NwaCegarLoop]: 1336 mSDtfsCounter, 9 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-28 23:52:38,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2196 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-28 23:52:38,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2023-11-28 23:52:38,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1270. [2023-11-28 23:52:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 651 states have (on average 2.161290322580645) internal successors, (1407), 1224 states have internal predecessors, (1407), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-28 23:52:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1477 transitions. [2023-11-28 23:52:38,844 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1477 transitions. Word has length 2 [2023-11-28 23:52:38,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:52:38,845 INFO L495 AbstractCegarLoop]: Abstraction has 1270 states and 1477 transitions. [2023-11-28 23:52:38,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-28 23:52:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1477 transitions. [2023-11-28 23:52:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-28 23:52:38,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:52:38,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-28 23:52:38,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-28 23:52:39,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:52:39,046 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:52:39,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:39,047 INFO L85 PathProgramCache]: Analyzing trace with hash 110544334, now seen corresponding path program 1 times [2023-11-28 23:52:39,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:52:39,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780561151] [2023-11-28 23:52:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:39,047 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 [2023-11-28 23:52:39,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:52:39,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:52:39,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:52:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:39,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 23:52:39,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:39,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-28 23:52:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:39,588 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:52:39,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:52:39,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780561151] [2023-11-28 23:52:39,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780561151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:39,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:52:39,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:52:39,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756504414] [2023-11-28 23:52:39,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:39,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:52:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:52:39,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:52:39,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:52:39,590 INFO L87 Difference]: Start difference. First operand 1270 states and 1477 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-28 23:52:46,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:46,561 INFO L93 Difference]: Finished difference Result 1272 states and 1479 transitions. [2023-11-28 23:52:46,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:52:46,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-11-28 23:52:46,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:52:46,568 INFO L225 Difference]: With dead ends: 1272 [2023-11-28 23:52:46,568 INFO L226 Difference]: Without dead ends: 1272 [2023-11-28 23:52:46,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:52:46,569 INFO L413 NwaCegarLoop]: 1335 mSDtfsCounter, 9 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-28 23:52:46,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2196 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-11-28 23:52:46,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2023-11-28 23:52:46,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1272. [2023-11-28 23:52:46,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 653 states have (on average 2.1577335375191424) internal successors, (1409), 1226 states have internal predecessors, (1409), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-28 23:52:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1479 transitions. [2023-11-28 23:52:46,606 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1479 transitions. Word has length 4 [2023-11-28 23:52:46,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:52:46,606 INFO L495 AbstractCegarLoop]: Abstraction has 1272 states and 1479 transitions. [2023-11-28 23:52:46,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-28 23:52:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1479 transitions. [2023-11-28 23:52:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-28 23:52:46,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:52:46,607 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-28 23:52:46,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-28 23:52:46,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:52:46,808 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:52:46,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:46,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1138886803, now seen corresponding path program 1 times [2023-11-28 23:52:46,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:52:46,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [944498982] [2023-11-28 23:52:46,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:46,810 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 [2023-11-28 23:52:46,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:52:46,811 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:52:46,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:52:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:47,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:52:47,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:47,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-28 23:52:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:47,474 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:52:48,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:48,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:52:48,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [944498982] [2023-11-28 23:52:48,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [944498982] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:52:48,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:52:48,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2023-11-28 23:52:48,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656628475] [2023-11-28 23:52:48,089 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:52:48,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 23:52:48,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:52:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 23:52:48,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-28 23:52:48,090 INFO L87 Difference]: Start difference. First operand 1272 states and 1479 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:53:20,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:53:20,445 INFO L93 Difference]: Finished difference Result 1274 states and 1481 transitions. [2023-11-28 23:53:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 23:53:20,447 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-28 23:53:20,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:53:20,452 INFO L225 Difference]: With dead ends: 1274 [2023-11-28 23:53:20,453 INFO L226 Difference]: Without dead ends: 1274 [2023-11-28 23:53:20,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-28 23:53:20,454 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 10 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 2592 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4777 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:53:20,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4777 Invalid, 2596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2592 Invalid, 0 Unknown, 0 Unchecked, 32.1s Time] [2023-11-28 23:53:20,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2023-11-28 23:53:20,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1274. [2023-11-28 23:53:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1274 states, 656 states have (on average 2.1509146341463414) internal successors, (1411), 1228 states have internal predecessors, (1411), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-28 23:53:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1481 transitions. [2023-11-28 23:53:20,478 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1481 transitions. Word has length 6 [2023-11-28 23:53:20,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:53:20,478 INFO L495 AbstractCegarLoop]: Abstraction has 1274 states and 1481 transitions. [2023-11-28 23:53:20,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:53:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1481 transitions. [2023-11-28 23:53:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-28 23:53:20,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:53:20,479 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2023-11-28 23:53:20,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-28 23:53:20,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:53:20,680 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:53:20,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:53:20,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1159043981, now seen corresponding path program 1 times [2023-11-28 23:53:20,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:53:20,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064226798] [2023-11-28 23:53:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:53:20,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:53:20,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:53:20,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:53:20,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:53:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:53:21,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 23:53:21,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:53:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:53:21,210 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:53:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:53:21,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:53:21,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064226798] [2023-11-28 23:53:21,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064226798] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:53:21,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:53:21,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-28 23:53:21,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665828281] [2023-11-28 23:53:21,348 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:53:21,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 23:53:21,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:53:21,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 23:53:21,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-28 23:53:21,349 INFO L87 Difference]: Start difference. First operand 1274 states and 1481 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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) [2023-11-28 23:53:25,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:53:25,574 INFO L93 Difference]: Finished difference Result 1284 states and 1491 transitions. [2023-11-28 23:53:25,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 23:53:25,576 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-28 23:53:25,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:53:25,582 INFO L225 Difference]: With dead ends: 1284 [2023-11-28 23:53:25,583 INFO L226 Difference]: Without dead ends: 1284 [2023-11-28 23:53:25,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-28 23:53:25,584 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 5 mSDsluCounter, 5344 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6682 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:53:25,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6682 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-28 23:53:25,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2023-11-28 23:53:25,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1284. [2023-11-28 23:53:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 666 states have (on average 2.1336336336336337) internal successors, (1421), 1238 states have internal predecessors, (1421), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-28 23:53:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1491 transitions. [2023-11-28 23:53:25,608 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1491 transitions. Word has length 11 [2023-11-28 23:53:25,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:53:25,608 INFO L495 AbstractCegarLoop]: Abstraction has 1284 states and 1491 transitions. [2023-11-28 23:53:25,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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) [2023-11-28 23:53:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1491 transitions. [2023-11-28 23:53:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-28 23:53:25,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:53:25,609 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1] [2023-11-28 23:53:25,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-28 23:53:25,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:53:25,810 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:53:25,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:53:25,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1535257976, now seen corresponding path program 2 times [2023-11-28 23:53:25,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:53:25,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132843543] [2023-11-28 23:53:25,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 23:53:25,811 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 [2023-11-28 23:53:25,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:53:25,812 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:53:25,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:53:26,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-28 23:53:26,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:53:26,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 23:53:26,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:53:26,478 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-28 23:53:26,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-28 23:53:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-28 23:53:26,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:53:26,845 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:53:26,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132843543] [2023-11-28 23:53:26,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132843543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:53:26,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:53:26,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:53:26,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41001085] [2023-11-28 23:53:26,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:53:26,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:53:26,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:53:26,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:53:26,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:53:26,847 INFO L87 Difference]: Start difference. First operand 1284 states and 1491 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-28 23:53:37,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:53:37,807 INFO L93 Difference]: Finished difference Result 1638 states and 1906 transitions. [2023-11-28 23:53:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:53:37,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 21 [2023-11-28 23:53:37,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:53:37,815 INFO L225 Difference]: With dead ends: 1638 [2023-11-28 23:53:37,815 INFO L226 Difference]: Without dead ends: 1638 [2023-11-28 23:53:37,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:53:37,816 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 603 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-11-28 23:53:37,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1857 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2023-11-28 23:53:37,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2023-11-28 23:53:37,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1464. [2023-11-28 23:53:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 835 states have (on average 2.148502994011976) internal successors, (1794), 1406 states have internal predecessors, (1794), 49 states have call successors, (49), 20 states have call predecessors, (49), 17 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:53:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1882 transitions. [2023-11-28 23:53:37,851 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1882 transitions. Word has length 21 [2023-11-28 23:53:37,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:53:37,851 INFO L495 AbstractCegarLoop]: Abstraction has 1464 states and 1882 transitions. [2023-11-28 23:53:37,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-28 23:53:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1882 transitions. [2023-11-28 23:53:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-28 23:53:37,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:53:37,852 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1] [2023-11-28 23:53:37,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-28 23:53:38,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:53:38,053 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:53:38,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:53:38,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1535257977, now seen corresponding path program 1 times [2023-11-28 23:53:38,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:53:38,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573113367] [2023-11-28 23:53:38,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:53:38,054 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 [2023-11-28 23:53:38,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:53:38,055 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:53:38,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:53:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:53:38,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 23:53:38,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:53:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:53:38,845 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:53:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:53:39,346 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:53:39,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573113367] [2023-11-28 23:53:39,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573113367] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:53:39,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:53:39,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-28 23:53:39,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763218044] [2023-11-28 23:53:39,346 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:53:39,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-28 23:53:39,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:53:39,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-28 23:53:39,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-28 23:53:39,348 INFO L87 Difference]: Start difference. First operand 1464 states and 1882 transitions. Second operand has 20 states, 20 states have (on average 1.95) internal successors, (39), 20 states have internal predecessors, (39), 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) [2023-11-28 23:53:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:53:50,777 INFO L93 Difference]: Finished difference Result 1468 states and 1886 transitions. [2023-11-28 23:53:50,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-28 23:53:50,779 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.95) internal successors, (39), 20 states have internal predecessors, (39), 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 21 [2023-11-28 23:53:50,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:53:50,786 INFO L225 Difference]: With dead ends: 1468 [2023-11-28 23:53:50,786 INFO L226 Difference]: Without dead ends: 1468 [2023-11-28 23:53:50,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-28 23:53:50,787 INFO L413 NwaCegarLoop]: 1337 mSDtfsCounter, 2 mSDsluCounter, 18690 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20027 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-11-28 23:53:50,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20027 Invalid, 2252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2023-11-28 23:53:50,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2023-11-28 23:53:50,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1468. [2023-11-28 23:53:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 839 states have (on average 2.143027413587604) internal successors, (1798), 1410 states have internal predecessors, (1798), 49 states have call successors, (49), 20 states have call predecessors, (49), 17 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:53:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1886 transitions. [2023-11-28 23:53:50,814 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1886 transitions. Word has length 21 [2023-11-28 23:53:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:53:50,815 INFO L495 AbstractCegarLoop]: Abstraction has 1468 states and 1886 transitions. [2023-11-28 23:53:50,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.95) internal successors, (39), 20 states have internal predecessors, (39), 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) [2023-11-28 23:53:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1886 transitions. [2023-11-28 23:53:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-28 23:53:50,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:53:50,816 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1] [2023-11-28 23:53:50,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-28 23:53:51,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:53:51,016 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:53:51,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:53:51,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1771839045, now seen corresponding path program 2 times [2023-11-28 23:53:51,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:53:51,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447460762] [2023-11-28 23:53:51,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 23:53:51,018 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 [2023-11-28 23:53:51,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:53:51,018 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:53:51,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-28 23:53:51,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-28 23:53:51,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:53:51,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 23:53:51,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:53:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:53:51,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:53:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:53:52,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:53:52,075 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:53:52,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447460762] [2023-11-28 23:53:52,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447460762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:53:52,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:53:52,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:53:52,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107443167] [2023-11-28 23:53:52,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:53:52,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:53:52,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:53:52,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:53:52,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:53:52,077 INFO L87 Difference]: Start difference. First operand 1468 states and 1886 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-28 23:53:59,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:53:59,560 INFO L93 Difference]: Finished difference Result 1471 states and 1888 transitions. [2023-11-28 23:53:59,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:53:59,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 25 [2023-11-28 23:53:59,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:53:59,569 INFO L225 Difference]: With dead ends: 1471 [2023-11-28 23:53:59,569 INFO L226 Difference]: Without dead ends: 1471 [2023-11-28 23:53:59,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:53:59,570 INFO L413 NwaCegarLoop]: 1336 mSDtfsCounter, 6 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-28 23:53:59,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2202 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-11-28 23:53:59,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2023-11-28 23:53:59,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2023-11-28 23:53:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 842 states have (on average 2.137767220902613) internal successors, (1800), 1412 states have internal predecessors, (1800), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:53:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1888 transitions. [2023-11-28 23:53:59,602 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1888 transitions. Word has length 25 [2023-11-28 23:53:59,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:53:59,603 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 1888 transitions. [2023-11-28 23:53:59,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-28 23:53:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1888 transitions. [2023-11-28 23:53:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-28 23:53:59,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:53:59,604 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:53:59,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-28 23:53:59,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:53:59,805 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:53:59,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:53:59,805 INFO L85 PathProgramCache]: Analyzing trace with hash 926262818, now seen corresponding path program 1 times [2023-11-28 23:53:59,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:53:59,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208181373] [2023-11-28 23:53:59,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:53:59,807 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 [2023-11-28 23:53:59,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:53:59,808 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:53:59,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-28 23:54:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:54:00,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:54:00,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:54:00,844 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-28 23:54:00,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2023-11-28 23:54:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:54:00,885 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:54:00,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:54:00,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208181373] [2023-11-28 23:54:00,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208181373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:54:00,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:54:00,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:54:00,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723879505] [2023-11-28 23:54:00,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:54:00,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:54:00,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:54:00,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:54:00,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:54:00,888 INFO L87 Difference]: Start difference. First operand 1471 states and 1888 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:54:11,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:54:11,456 INFO L93 Difference]: Finished difference Result 1544 states and 1889 transitions. [2023-11-28 23:54:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:54:11,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2023-11-28 23:54:11,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:54:11,462 INFO L225 Difference]: With dead ends: 1544 [2023-11-28 23:54:11,462 INFO L226 Difference]: Without dead ends: 1544 [2023-11-28 23:54:11,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:54:11,463 INFO L413 NwaCegarLoop]: 1195 mSDtfsCounter, 363 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1938 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-28 23:54:11,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1938 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-11-28 23:54:11,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2023-11-28 23:54:11,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1466. [2023-11-28 23:54:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 842 states have (on average 2.1318289786223277) internal successors, (1795), 1407 states have internal predecessors, (1795), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:54:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1883 transitions. [2023-11-28 23:54:11,506 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1883 transitions. Word has length 32 [2023-11-28 23:54:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:54:11,506 INFO L495 AbstractCegarLoop]: Abstraction has 1466 states and 1883 transitions. [2023-11-28 23:54:11,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:54:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1883 transitions. [2023-11-28 23:54:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-28 23:54:11,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:54:11,508 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:54:11,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-28 23:54:11,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:54:11,708 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:54:11,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:54:11,709 INFO L85 PathProgramCache]: Analyzing trace with hash 926262819, now seen corresponding path program 1 times [2023-11-28 23:54:11,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:54:11,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016150233] [2023-11-28 23:54:11,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:54:11,710 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 [2023-11-28 23:54:11,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:54:11,710 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:54:11,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-28 23:54:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:54:12,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 23:54:12,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:54:12,993 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-28 23:54:12,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 21 [2023-11-28 23:54:13,120 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:54:13,120 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:54:13,120 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:54:13,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016150233] [2023-11-28 23:54:13,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016150233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:54:13,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:54:13,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 23:54:13,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955672320] [2023-11-28 23:54:13,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:54:13,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:54:13,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:54:13,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:54:13,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:54:13,122 INFO L87 Difference]: Start difference. First operand 1466 states and 1883 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:54:26,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:54:26,400 INFO L93 Difference]: Finished difference Result 1467 states and 1885 transitions. [2023-11-28 23:54:26,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:54:26,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2023-11-28 23:54:26,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:54:26,411 INFO L225 Difference]: With dead ends: 1467 [2023-11-28 23:54:26,411 INFO L226 Difference]: Without dead ends: 1467 [2023-11-28 23:54:26,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:54:26,412 INFO L413 NwaCegarLoop]: 1320 mSDtfsCounter, 1031 mSDsluCounter, 3587 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 4907 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-11-28 23:54:26,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1049 Valid, 4907 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 13.2s Time] [2023-11-28 23:54:26,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2023-11-28 23:54:26,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1465. [2023-11-28 23:54:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1465 states, 842 states have (on average 2.130641330166271) internal successors, (1794), 1406 states have internal predecessors, (1794), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:54:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1882 transitions. [2023-11-28 23:54:26,446 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1882 transitions. Word has length 32 [2023-11-28 23:54:26,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:54:26,446 INFO L495 AbstractCegarLoop]: Abstraction has 1465 states and 1882 transitions. [2023-11-28 23:54:26,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:54:26,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1882 transitions. [2023-11-28 23:54:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-28 23:54:26,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:54:26,448 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:54:26,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-11-28 23:54:26,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:54:26,661 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:54:26,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:54:26,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1082521657, now seen corresponding path program 1 times [2023-11-28 23:54:26,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:54:26,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291871433] [2023-11-28 23:54:26,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:54:26,663 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 [2023-11-28 23:54:26,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:54:26,663 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:54:26,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-28 23:54:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:54:28,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-28 23:54:28,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:54:28,244 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-28 23:54:28,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 21 [2023-11-28 23:54:28,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:54:28,649 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-28 23:54:28,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2023-11-28 23:54:28,690 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-28 23:54:28,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-28 23:54:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:54:28,911 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:54:28,911 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:54:28,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291871433] [2023-11-28 23:54:28,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291871433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:54:28,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:54:28,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-28 23:54:28,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863428455] [2023-11-28 23:54:28,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:54:28,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 23:54:28,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:54:28,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 23:54:28,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-28 23:54:28,913 INFO L87 Difference]: Start difference. First operand 1465 states and 1882 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:55:08,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:55:08,225 INFO L93 Difference]: Finished difference Result 1483 states and 1902 transitions. [2023-11-28 23:55:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 23:55:08,227 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2023-11-28 23:55:08,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:55:08,233 INFO L225 Difference]: With dead ends: 1483 [2023-11-28 23:55:08,233 INFO L226 Difference]: Without dead ends: 1483 [2023-11-28 23:55:08,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-28 23:55:08,233 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 1064 mSDsluCounter, 5238 mSDsCounter, 0 mSdLazyCounter, 2673 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 6550 SdHoareTripleChecker+Invalid, 2678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:55:08,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 6550 Invalid, 2678 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 2673 Invalid, 0 Unknown, 0 Unchecked, 39.0s Time] [2023-11-28 23:55:08,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2023-11-28 23:55:08,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1474. [2023-11-28 23:55:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 851 states have (on average 2.126909518213866) internal successors, (1810), 1415 states have internal predecessors, (1810), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:55:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 1898 transitions. [2023-11-28 23:55:08,253 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 1898 transitions. Word has length 34 [2023-11-28 23:55:08,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:55:08,254 INFO L495 AbstractCegarLoop]: Abstraction has 1474 states and 1898 transitions. [2023-11-28 23:55:08,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:55:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1898 transitions. [2023-11-28 23:55:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-28 23:55:08,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:55:08,255 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:55:08,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-28 23:55:08,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:55:08,455 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:55:08,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:55:08,456 INFO L85 PathProgramCache]: Analyzing trace with hash 923401127, now seen corresponding path program 1 times [2023-11-28 23:55:08,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:55:08,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696780796] [2023-11-28 23:55:08,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:55:08,457 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 [2023-11-28 23:55:08,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:55:08,457 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:55:08,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-28 23:55:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:55:09,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:55:09,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:55:09,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-28 23:55:09,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:55:09,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:55:09,895 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-28 23:55:09,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-28 23:55:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:55:09,950 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:55:09,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:55:09,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696780796] [2023-11-28 23:55:09,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696780796] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:55:09,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:55:09,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:55:09,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463303397] [2023-11-28 23:55:09,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:55:09,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:55:09,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:55:09,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:55:09,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:55:09,951 INFO L87 Difference]: Start difference. First operand 1474 states and 1898 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:55:16,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:55:16,798 INFO L93 Difference]: Finished difference Result 1551 states and 1902 transitions. [2023-11-28 23:55:16,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:55:16,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2023-11-28 23:55:16,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:55:16,805 INFO L225 Difference]: With dead ends: 1551 [2023-11-28 23:55:16,805 INFO L226 Difference]: Without dead ends: 1551 [2023-11-28 23:55:16,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:55:16,805 INFO L413 NwaCegarLoop]: 1197 mSDtfsCounter, 363 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-28 23:55:16,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 2768 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-28 23:55:16,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2023-11-28 23:55:16,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1473. [2023-11-28 23:55:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 851 states have (on average 2.124559341950646) internal successors, (1808), 1414 states have internal predecessors, (1808), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:55:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1896 transitions. [2023-11-28 23:55:16,824 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1896 transitions. Word has length 36 [2023-11-28 23:55:16,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:55:16,824 INFO L495 AbstractCegarLoop]: Abstraction has 1473 states and 1896 transitions. [2023-11-28 23:55:16,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:55:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1896 transitions. [2023-11-28 23:55:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-28 23:55:16,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:55:16,825 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:55:16,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-11-28 23:55:17,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:55:17,026 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:55:17,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:55:17,026 INFO L85 PathProgramCache]: Analyzing trace with hash 923401128, now seen corresponding path program 1 times [2023-11-28 23:55:17,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:55:17,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761501447] [2023-11-28 23:55:17,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:55:17,027 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 [2023-11-28 23:55:17,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:55:17,028 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:55:17,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-28 23:55:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:55:18,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 23:55:18,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:55:18,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-28 23:55:18,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2023-11-28 23:55:18,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-28 23:55:18,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-28 23:55:18,955 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-28 23:55:18,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-28 23:55:18,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-28 23:55:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:55:19,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:55:19,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:55:19,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761501447] [2023-11-28 23:55:19,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761501447] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:55:19,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:55:19,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-28 23:55:19,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626566044] [2023-11-28 23:55:19,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:55:19,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-28 23:55:19,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:55:19,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-28 23:55:19,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-28 23:55:19,305 INFO L87 Difference]: Start difference. First operand 1473 states and 1896 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:56:07,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:56:07,443 INFO L93 Difference]: Finished difference Result 1556 states and 1902 transitions. [2023-11-28 23:56:07,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 23:56:07,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2023-11-28 23:56:07,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:56:07,453 INFO L225 Difference]: With dead ends: 1556 [2023-11-28 23:56:07,453 INFO L226 Difference]: Without dead ends: 1556 [2023-11-28 23:56:07,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-11-28 23:56:07,454 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 1613 mSDsluCounter, 4722 mSDsCounter, 0 mSdLazyCounter, 3573 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 3584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 3573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.7s IncrementalHoareTripleChecker+Time [2023-11-28 23:56:07,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1629 Valid, 5830 Invalid, 3584 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 3573 Invalid, 0 Unknown, 0 Unchecked, 47.7s Time] [2023-11-28 23:56:07,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2023-11-28 23:56:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1473. [2023-11-28 23:56:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 851 states have (on average 2.1233842538190366) internal successors, (1807), 1414 states have internal predecessors, (1807), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:56:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1895 transitions. [2023-11-28 23:56:07,480 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1895 transitions. Word has length 36 [2023-11-28 23:56:07,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:56:07,481 INFO L495 AbstractCegarLoop]: Abstraction has 1473 states and 1895 transitions. [2023-11-28 23:56:07,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:56:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1895 transitions. [2023-11-28 23:56:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-28 23:56:07,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:56:07,482 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:56:07,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-28 23:56:07,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:56:07,682 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:56:07,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:56:07,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1667576463, now seen corresponding path program 1 times [2023-11-28 23:56:07,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:56:07,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727168746] [2023-11-28 23:56:07,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:56:07,683 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 [2023-11-28 23:56:07,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:56:07,684 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:56:07,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-28 23:56:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:56:08,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 23:56:08,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:56:08,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-28 23:56:08,455 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 25 treesize of output 1 [2023-11-28 23:56:08,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2023-11-28 23:56:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:56:08,538 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:56:08,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:56:08,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727168746] [2023-11-28 23:56:08,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727168746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:56:08,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:56:08,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 23:56:08,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518416758] [2023-11-28 23:56:08,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:56:08,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 23:56:08,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:56:08,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 23:56:08,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:56:08,540 INFO L87 Difference]: Start difference. First operand 1473 states and 1895 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:56:18,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:56:18,711 INFO L93 Difference]: Finished difference Result 1472 states and 1893 transitions. [2023-11-28 23:56:18,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 23:56:18,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2023-11-28 23:56:18,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:56:18,719 INFO L225 Difference]: With dead ends: 1472 [2023-11-28 23:56:18,719 INFO L226 Difference]: Without dead ends: 1472 [2023-11-28 23:56:18,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:56:18,719 INFO L413 NwaCegarLoop]: 1321 mSDtfsCounter, 15 mSDsluCounter, 2504 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 2019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:56:18,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3825 Invalid, 2019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2023-11-28 23:56:18,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2023-11-28 23:56:18,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1472. [2023-11-28 23:56:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 851 states have (on average 2.1210340775558167) internal successors, (1805), 1413 states have internal predecessors, (1805), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:56:18,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 1893 transitions. [2023-11-28 23:56:18,744 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 1893 transitions. Word has length 38 [2023-11-28 23:56:18,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:56:18,744 INFO L495 AbstractCegarLoop]: Abstraction has 1472 states and 1893 transitions. [2023-11-28 23:56:18,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:56:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1893 transitions. [2023-11-28 23:56:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-28 23:56:18,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:56:18,745 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:56:18,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-28 23:56:18,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:56:18,946 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:56:18,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:56:18,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1667576462, now seen corresponding path program 1 times [2023-11-28 23:56:18,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:56:18,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95519598] [2023-11-28 23:56:18,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:56:18,947 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 [2023-11-28 23:56:18,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:56:18,948 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:56:18,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-28 23:56:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:56:19,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-28 23:56:19,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:56:19,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-28 23:56:19,661 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 25 treesize of output 1 [2023-11-28 23:56:19,673 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 16 treesize of output 12 [2023-11-28 23:56:19,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2023-11-28 23:56:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:56:19,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:56:19,818 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:56:19,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95519598] [2023-11-28 23:56:19,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95519598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:56:19,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:56:19,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 23:56:19,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903631106] [2023-11-28 23:56:19,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:56:19,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 23:56:19,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:56:19,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 23:56:19,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:56:19,820 INFO L87 Difference]: Start difference. First operand 1472 states and 1893 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:56:33,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:56:33,822 INFO L93 Difference]: Finished difference Result 1471 states and 1891 transitions. [2023-11-28 23:56:33,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 23:56:33,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2023-11-28 23:56:33,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:56:33,829 INFO L225 Difference]: With dead ends: 1471 [2023-11-28 23:56:33,829 INFO L226 Difference]: Without dead ends: 1471 [2023-11-28 23:56:33,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:56:33,830 INFO L413 NwaCegarLoop]: 1320 mSDtfsCounter, 13 mSDsluCounter, 2582 mSDsCounter, 0 mSdLazyCounter, 1940 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3902 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-11-28 23:56:33,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3902 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1940 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2023-11-28 23:56:33,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2023-11-28 23:56:33,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2023-11-28 23:56:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 851 states have (on average 2.118683901292597) internal successors, (1803), 1412 states have internal predecessors, (1803), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:56:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1891 transitions. [2023-11-28 23:56:33,849 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1891 transitions. Word has length 38 [2023-11-28 23:56:33,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:56:33,849 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 1891 transitions. [2023-11-28 23:56:33,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:56:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1891 transitions. [2023-11-28 23:56:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-28 23:56:33,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:56:33,850 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:56:33,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-11-28 23:56:34,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:56:34,051 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:56:34,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:56:34,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1183501837, now seen corresponding path program 1 times [2023-11-28 23:56:34,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:56:34,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864857546] [2023-11-28 23:56:34,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:56:34,052 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 [2023-11-28 23:56:34,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:56:34,053 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:56:34,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-11-28 23:56:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:56:34,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 23:56:34,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:56:34,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-28 23:56:34,846 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 25 treesize of output 1 [2023-11-28 23:56:34,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2023-11-28 23:56:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:56:34,956 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:56:34,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:56:34,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864857546] [2023-11-28 23:56:34,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864857546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:56:34,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:56:34,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 23:56:34,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143041054] [2023-11-28 23:56:34,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:56:34,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 23:56:34,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:56:34,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 23:56:34,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:56:34,958 INFO L87 Difference]: Start difference. First operand 1471 states and 1891 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:56:45,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:56:45,251 INFO L93 Difference]: Finished difference Result 1470 states and 1889 transitions. [2023-11-28 23:56:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 23:56:45,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2023-11-28 23:56:45,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:56:45,258 INFO L225 Difference]: With dead ends: 1470 [2023-11-28 23:56:45,258 INFO L226 Difference]: Without dead ends: 1470 [2023-11-28 23:56:45,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:56:45,259 INFO L413 NwaCegarLoop]: 1320 mSDtfsCounter, 10 mSDsluCounter, 2502 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3822 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-11-28 23:56:45,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3822 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2016 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2023-11-28 23:56:45,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2023-11-28 23:56:45,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1470. [2023-11-28 23:56:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 851 states have (on average 2.116333725029377) internal successors, (1801), 1411 states have internal predecessors, (1801), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:56:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1889 transitions. [2023-11-28 23:56:45,277 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1889 transitions. Word has length 41 [2023-11-28 23:56:45,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:56:45,277 INFO L495 AbstractCegarLoop]: Abstraction has 1470 states and 1889 transitions. [2023-11-28 23:56:45,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:56:45,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1889 transitions. [2023-11-28 23:56:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-28 23:56:45,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:56:45,278 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:56:45,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-11-28 23:56:45,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:56:45,479 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:56:45,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:56:45,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1183501838, now seen corresponding path program 1 times [2023-11-28 23:56:45,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:56:45,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112339158] [2023-11-28 23:56:45,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:56:45,480 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 [2023-11-28 23:56:45,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:56:45,481 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:56:45,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-11-28 23:56:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:56:46,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 23:56:46,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:56:46,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-28 23:56:46,269 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 25 treesize of output 1 [2023-11-28 23:56:46,291 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 16 treesize of output 12 [2023-11-28 23:56:46,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2023-11-28 23:56:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:56:46,568 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:56:46,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:56:46,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112339158] [2023-11-28 23:56:46,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112339158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:56:46,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:56:46,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 23:56:46,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235989374] [2023-11-28 23:56:46,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:56:46,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:56:46,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:56:46,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:56:46,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:56:46,570 INFO L87 Difference]: Start difference. First operand 1470 states and 1889 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:57:00,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:57:00,553 INFO L93 Difference]: Finished difference Result 1477 states and 1896 transitions. [2023-11-28 23:57:00,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:57:00,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2023-11-28 23:57:00,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:57:00,562 INFO L225 Difference]: With dead ends: 1477 [2023-11-28 23:57:00,562 INFO L226 Difference]: Without dead ends: 1477 [2023-11-28 23:57:00,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:57:00,563 INFO L413 NwaCegarLoop]: 1318 mSDtfsCounter, 15 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3895 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-28 23:57:00,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3895 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2023-11-28 23:57:00,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2023-11-28 23:57:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1476. [2023-11-28 23:57:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 857 states have (on average 2.1096849474912487) internal successors, (1808), 1417 states have internal predecessors, (1808), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:57:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1896 transitions. [2023-11-28 23:57:00,589 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1896 transitions. Word has length 41 [2023-11-28 23:57:00,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:57:00,589 INFO L495 AbstractCegarLoop]: Abstraction has 1476 states and 1896 transitions. [2023-11-28 23:57:00,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:57:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1896 transitions. [2023-11-28 23:57:00,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-28 23:57:00,590 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:57:00,590 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:57:00,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-11-28 23:57:00,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:57:00,791 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:57:00,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:57:00,791 INFO L85 PathProgramCache]: Analyzing trace with hash 383533950, now seen corresponding path program 1 times [2023-11-28 23:57:00,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:57:00,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876549762] [2023-11-28 23:57:00,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:57:00,792 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 [2023-11-28 23:57:00,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:57:00,793 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:57:00,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-11-28 23:57:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:57:01,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-28 23:57:01,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:57:01,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-28 23:57:01,596 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 25 treesize of output 1 [2023-11-28 23:57:01,609 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 16 treesize of output 12 [2023-11-28 23:57:01,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2023-11-28 23:57:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:57:02,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:57:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:57:03,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:57:03,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876549762] [2023-11-28 23:57:03,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876549762] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:57:03,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:57:03,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-28 23:57:03,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649872973] [2023-11-28 23:57:03,751 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:57:03,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-28 23:57:03,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:57:03,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-28 23:57:03,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-28 23:57:03,752 INFO L87 Difference]: Start difference. First operand 1476 states and 1896 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:57:58,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:57:58,191 INFO L93 Difference]: Finished difference Result 1485 states and 1903 transitions. [2023-11-28 23:57:58,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 23:57:58,193 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2023-11-28 23:57:58,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:57:58,198 INFO L225 Difference]: With dead ends: 1485 [2023-11-28 23:57:58,198 INFO L226 Difference]: Without dead ends: 1485 [2023-11-28 23:57:58,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-28 23:57:58,199 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 24 mSDsluCounter, 5999 mSDsCounter, 0 mSdLazyCounter, 4381 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 7316 SdHoareTripleChecker+Invalid, 4385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.3s IncrementalHoareTripleChecker+Time [2023-11-28 23:57:58,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 7316 Invalid, 4385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 4381 Invalid, 0 Unknown, 0 Unchecked, 53.3s Time] [2023-11-28 23:57:58,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2023-11-28 23:57:58,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1483. [2023-11-28 23:57:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 865 states have (on average 2.098265895953757) internal successors, (1815), 1424 states have internal predecessors, (1815), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:57:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1903 transitions. [2023-11-28 23:57:58,218 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1903 transitions. Word has length 44 [2023-11-28 23:57:58,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:57:58,218 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 1903 transitions. [2023-11-28 23:57:58,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:57:58,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1903 transitions. [2023-11-28 23:57:58,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-28 23:57:58,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:57:58,219 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:57:58,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2023-11-28 23:57:58,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:57:58,419 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:57:58,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:57:58,420 INFO L85 PathProgramCache]: Analyzing trace with hash 972615863, now seen corresponding path program 1 times [2023-11-28 23:57:58,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:57:58,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75665030] [2023-11-28 23:57:58,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:57:58,421 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 [2023-11-28 23:57:58,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:57:58,421 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:57:58,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (20)] Waiting until timeout for monitored process [2023-11-28 23:57:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:57:59,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 23:57:59,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:57:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:57:59,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:57:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:57:59,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:57:59,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75665030] [2023-11-28 23:57:59,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75665030] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:57:59,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:57:59,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-28 23:57:59,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44883227] [2023-11-28 23:57:59,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:57:59,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 23:57:59,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:57:59,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 23:57:59,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-28 23:57:59,515 INFO L87 Difference]: Start difference. First operand 1483 states and 1903 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:58:06,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:58:06,462 INFO L93 Difference]: Finished difference Result 1520 states and 1938 transitions. [2023-11-28 23:58:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 23:58:06,463 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2023-11-28 23:58:06,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:58:06,468 INFO L225 Difference]: With dead ends: 1520 [2023-11-28 23:58:06,468 INFO L226 Difference]: Without dead ends: 1520 [2023-11-28 23:58:06,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-28 23:58:06,469 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 24 mSDsluCounter, 10599 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 11927 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-28 23:58:06,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 11927 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-28 23:58:06,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2023-11-28 23:58:06,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1513. [2023-11-28 23:58:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 895 states have (on average 2.0670391061452515) internal successors, (1850), 1454 states have internal predecessors, (1850), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:58:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 1938 transitions. [2023-11-28 23:58:06,487 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 1938 transitions. Word has length 51 [2023-11-28 23:58:06,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:58:06,487 INFO L495 AbstractCegarLoop]: Abstraction has 1513 states and 1938 transitions. [2023-11-28 23:58:06,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:58:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1938 transitions. [2023-11-28 23:58:06,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-28 23:58:06,488 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:58:06,488 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:58:06,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (20)] Ended with exit code 0 [2023-11-28 23:58:06,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:58:06,688 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:58:06,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:58:06,689 INFO L85 PathProgramCache]: Analyzing trace with hash 663012903, now seen corresponding path program 2 times [2023-11-28 23:58:06,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:58:06,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62614186] [2023-11-28 23:58:06,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 23:58:06,690 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 [2023-11-28 23:58:06,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:58:06,690 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:58:06,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-11-28 23:58:09,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-28 23:58:09,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:58:09,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 23:58:09,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:58:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 2 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:58:09,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:58:10,208 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 2 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:58:10,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:58:10,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62614186] [2023-11-28 23:58:10,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62614186] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:58:10,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:58:10,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-28 23:58:10,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136352909] [2023-11-28 23:58:10,209 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:58:10,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-28 23:58:10,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:58:10,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-28 23:58:10,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-28 23:58:10,211 INFO L87 Difference]: Start difference. First operand 1513 states and 1938 transitions. Second operand has 20 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:58:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:58:19,991 INFO L93 Difference]: Finished difference Result 1534 states and 1952 transitions. [2023-11-28 23:58:19,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-28 23:58:19,993 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2023-11-28 23:58:19,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:58:19,997 INFO L225 Difference]: With dead ends: 1534 [2023-11-28 23:58:19,998 INFO L226 Difference]: Without dead ends: 1534 [2023-11-28 23:58:19,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-28 23:58:19,999 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 31 mSDsluCounter, 14639 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 15972 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-28 23:58:19,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 15972 Invalid, 1916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-11-28 23:58:20,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2023-11-28 23:58:20,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1525. [2023-11-28 23:58:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 907 states have (on average 2.0551267916207276) internal successors, (1864), 1466 states have internal predecessors, (1864), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-28 23:58:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1952 transitions. [2023-11-28 23:58:20,017 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1952 transitions. Word has length 66 [2023-11-28 23:58:20,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:58:20,017 INFO L495 AbstractCegarLoop]: Abstraction has 1525 states and 1952 transitions. [2023-11-28 23:58:20,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:58:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1952 transitions. [2023-11-28 23:58:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-28 23:58:20,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:58:20,018 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:58:20,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2023-11-28 23:58:20,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 23:58:20,219 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-28 23:58:20,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:58:20,219 INFO L85 PathProgramCache]: Analyzing trace with hash 2040085543, now seen corresponding path program 3 times [2023-11-28 23:58:20,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:58:20,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538631682] [2023-11-28 23:58:20,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-28 23:58:20,220 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 [2023-11-28 23:58:20,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:58:20,221 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 23:58:20,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-11-28 23:58:22,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-28 23:58:22,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:58:22,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-28 23:58:22,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:58:22,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:58:22,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-28 23:58:22,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-28 23:58:22,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:58:22,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-28 23:58:22,855 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-28 23:58:22,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-28 23:58:24,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:58:24,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-28 23:58:24,824 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-28 23:58:24,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-28 23:58:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-28 23:58:24,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:58:28,303 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 23:58:28,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 82 [2023-11-28 23:58:38,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 23:58:38,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 76 [2023-11-28 23:58:38,668 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:58:38,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-28 23:58:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-28 23:58:39,046 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:58:39,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538631682] [2023-11-28 23:58:39,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538631682] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:58:39,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:58:39,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-28 23:58:39,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899266386] [2023-11-28 23:58:39,046 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:58:39,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-28 23:58:39,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:58:39,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-28 23:58:39,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=217, Unknown=1, NotChecked=0, Total=272 [2023-11-28 23:58:39,047 INFO L87 Difference]: Start difference. First operand 1525 states and 1952 transitions. Second operand has 17 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:00:50,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:00:50,622 INFO L93 Difference]: Finished difference Result 2109 states and 2636 transitions. [2023-11-29 00:00:50,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:00:50,623 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 72 [2023-11-29 00:00:50,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:00:50,626 INFO L225 Difference]: With dead ends: 2109 [2023-11-29 00:00:50,626 INFO L226 Difference]: Without dead ends: 2109 [2023-11-29 00:00:50,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=105, Invalid=400, Unknown=1, NotChecked=0, Total=506 [2023-11-29 00:00:50,626 INFO L413 NwaCegarLoop]: 1094 mSDtfsCounter, 4048 mSDsluCounter, 6928 mSDsCounter, 0 mSdLazyCounter, 5582 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4066 SdHoareTripleChecker+Valid, 8022 SdHoareTripleChecker+Invalid, 5637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 5582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:00:50,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4066 Valid, 8022 Invalid, 5637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [55 Valid, 5582 Invalid, 0 Unknown, 0 Unchecked, 130.3s Time] [2023-11-29 00:00:50,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2023-11-29 00:00:50,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 1525. [2023-11-29 00:00:50,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 910 states have (on average 2.0395604395604394) internal successors, (1856), 1466 states have internal predecessors, (1856), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-29 00:00:50,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1944 transitions. [2023-11-29 00:00:50,662 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1944 transitions. Word has length 72 [2023-11-29 00:00:50,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:00:50,662 INFO L495 AbstractCegarLoop]: Abstraction has 1525 states and 1944 transitions. [2023-11-29 00:00:50,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:00:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1944 transitions. [2023-11-29 00:00:50,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 00:00:50,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:00:50,663 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:00:50,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2023-11-29 00:00:50,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:00:50,863 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-29 00:00:50,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:00:50,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1181856813, now seen corresponding path program 1 times [2023-11-29 00:00:50,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:00:50,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460873468] [2023-11-29 00:00:50,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:00:50,865 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 [2023-11-29 00:00:50,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:00:50,865 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:00:50,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (23)] Waiting until timeout for monitored process [2023-11-29 00:00:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:00:52,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:00:52,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:00:52,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 00:00:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:52,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 00:00:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:52,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 00:00:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:52,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 00:00:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:52,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 00:00:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:52,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 00:00:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 00:00:52,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:00:52,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:00:52,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460873468] [2023-11-29 00:00:52,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1460873468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:00:52,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:00:52,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:00:52,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342239727] [2023-11-29 00:00:52,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:00:52,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:00:52,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:00:52,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:00:52,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:00:52,201 INFO L87 Difference]: Start difference. First operand 1525 states and 1944 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:00:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:00:56,949 INFO L93 Difference]: Finished difference Result 1599 states and 1946 transitions. [2023-11-29 00:00:56,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:00:56,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2023-11-29 00:00:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:00:56,954 INFO L225 Difference]: With dead ends: 1599 [2023-11-29 00:00:56,954 INFO L226 Difference]: Without dead ends: 1599 [2023-11-29 00:00:56,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:00:56,955 INFO L413 NwaCegarLoop]: 1194 mSDtfsCounter, 336 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:00:56,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 1943 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 00:00:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2023-11-29 00:00:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1521. [2023-11-29 00:00:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 910 states have (on average 2.035164835164835) internal successors, (1852), 1462 states have internal predecessors, (1852), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-29 00:00:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1940 transitions. [2023-11-29 00:00:56,978 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1940 transitions. Word has length 73 [2023-11-29 00:00:56,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:00:56,978 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 1940 transitions. [2023-11-29 00:00:56,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:00:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1940 transitions. [2023-11-29 00:00:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 00:00:56,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:00:56,979 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:00:56,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (23)] Ended with exit code 0 [2023-11-29 00:00:57,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:00:57,180 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-29 00:00:57,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:00:57,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1181856812, now seen corresponding path program 1 times [2023-11-29 00:00:57,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:00:57,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271944011] [2023-11-29 00:00:57,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:00:57,181 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 [2023-11-29 00:00:57,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:00:57,182 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:00:57,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (24)] Waiting until timeout for monitored process [2023-11-29 00:00:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:00:58,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:00:58,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:00:58,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-11-29 00:00:58,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:58,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 00:00:58,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:58,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 00:00:58,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:58,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 00:00:58,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:58,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 00:00:58,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:00:58,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 00:00:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-29 00:00:58,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:00:58,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:00:58,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271944011] [2023-11-29 00:00:58,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271944011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:00:58,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:00:58,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:00:58,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569369252] [2023-11-29 00:00:58,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:00:58,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:00:58,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:00:58,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:00:58,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:00:58,573 INFO L87 Difference]: Start difference. First operand 1521 states and 1940 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:01:07,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:01:07,068 INFO L93 Difference]: Finished difference Result 1773 states and 2160 transitions. [2023-11-29 00:01:07,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:01:07,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2023-11-29 00:01:07,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:01:07,073 INFO L225 Difference]: With dead ends: 1773 [2023-11-29 00:01:07,074 INFO L226 Difference]: Without dead ends: 1773 [2023-11-29 00:01:07,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:01:07,074 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 465 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:01:07,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1966 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-11-29 00:01:07,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2023-11-29 00:01:07,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1517. [2023-11-29 00:01:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 910 states have (on average 2.0307692307692307) internal successors, (1848), 1458 states have internal predecessors, (1848), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-29 00:01:07,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1936 transitions. [2023-11-29 00:01:07,097 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1936 transitions. Word has length 73 [2023-11-29 00:01:07,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:01:07,098 INFO L495 AbstractCegarLoop]: Abstraction has 1517 states and 1936 transitions. [2023-11-29 00:01:07,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:01:07,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1936 transitions. [2023-11-29 00:01:07,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 00:01:07,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:07,099 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:01:07,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (24)] Ended with exit code 0 [2023-11-29 00:01:07,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:01:07,299 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-29 00:01:07,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:07,300 INFO L85 PathProgramCache]: Analyzing trace with hash 2019294230, now seen corresponding path program 1 times [2023-11-29 00:01:07,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:01:07,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067135345] [2023-11-29 00:01:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:07,301 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 [2023-11-29 00:01:07,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:01:07,301 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:01:07,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (25)] Waiting until timeout for monitored process [2023-11-29 00:01:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:09,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 00:01:09,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:01:10,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 00:01:10,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2023-11-29 00:01:10,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-29 00:01:10,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 00:01:10,347 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 00:01:10,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 00:01:10,396 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 00:01:10,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 00:01:12,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:01:12,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-29 00:01:12,257 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 00:01:12,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 00:01:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 00:01:12,445 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:01:15,703 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 00:01:15,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 82 [2023-11-29 00:01:22,281 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 00:01:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 00:01:22,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:01:22,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067135345] [2023-11-29 00:01:22,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2067135345] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:01:22,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:01:22,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2023-11-29 00:01:22,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300184220] [2023-11-29 00:01:22,701 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:01:22,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 00:01:22,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:01:22,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 00:01:22,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=250, Unknown=1, NotChecked=0, Total=306 [2023-11-29 00:01:22,703 INFO L87 Difference]: Start difference. First operand 1517 states and 1936 transitions. Second operand has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:03:11,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:03:11,476 INFO L93 Difference]: Finished difference Result 1632 states and 1980 transitions. [2023-11-29 00:03:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:03:11,478 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74 [2023-11-29 00:03:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:03:11,481 INFO L225 Difference]: With dead ends: 1632 [2023-11-29 00:03:11,481 INFO L226 Difference]: Without dead ends: 1632 [2023-11-29 00:03:11,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=117, Invalid=434, Unknown=1, NotChecked=0, Total=552 [2023-11-29 00:03:11,482 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 1622 mSDsluCounter, 6984 mSDsCounter, 0 mSdLazyCounter, 6948 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 8094 SdHoareTripleChecker+Invalid, 6966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 6948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:03:11,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 8094 Invalid, 6966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 6948 Invalid, 0 Unknown, 0 Unchecked, 107.7s Time] [2023-11-29 00:03:11,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2023-11-29 00:03:11,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1519. [2023-11-29 00:03:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 912 states have (on average 2.0285087719298245) internal successors, (1850), 1460 states have internal predecessors, (1850), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-29 00:03:11,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1938 transitions. [2023-11-29 00:03:11,496 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1938 transitions. Word has length 74 [2023-11-29 00:03:11,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:03:11,496 INFO L495 AbstractCegarLoop]: Abstraction has 1519 states and 1938 transitions. [2023-11-29 00:03:11,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:03:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1938 transitions. [2023-11-29 00:03:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 00:03:11,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:03:11,497 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:03:11,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (25)] Ended with exit code 0 [2023-11-29 00:03:11,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:03:11,697 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-29 00:03:11,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:03:11,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1904983661, now seen corresponding path program 1 times [2023-11-29 00:03:11,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:03:11,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399744391] [2023-11-29 00:03:11,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:03:11,699 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 [2023-11-29 00:03:11,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:03:11,699 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:03:11,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (26)] Waiting until timeout for monitored process [2023-11-29 00:03:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:03:14,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 00:03:14,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:03:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:14,838 INFO L349 Elim1Store]: treesize reduction 50, result has 24.2 percent of original size [2023-11-29 00:03:14,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 27 [2023-11-29 00:03:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:14,963 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-29 00:03:14,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 20 [2023-11-29 00:03:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:15,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-11-29 00:03:15,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:15,127 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-29 00:03:15,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 23 [2023-11-29 00:03:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:15,245 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-29 00:03:15,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 23 [2023-11-29 00:03:15,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:15,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-11-29 00:03:15,463 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 00:03:15,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-29 00:03:15,569 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 00:03:15,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:03:15,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:03:15,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399744391] [2023-11-29 00:03:15,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399744391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:03:15,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:03:15,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:03:15,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389000389] [2023-11-29 00:03:15,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:03:15,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:03:15,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:03:15,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:03:15,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:03:15,570 INFO L87 Difference]: Start difference. First operand 1519 states and 1938 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:03:38,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:03:38,492 INFO L93 Difference]: Finished difference Result 1595 states and 1942 transitions. [2023-11-29 00:03:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:03:38,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2023-11-29 00:03:38,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:03:38,495 INFO L225 Difference]: With dead ends: 1595 [2023-11-29 00:03:38,495 INFO L226 Difference]: Without dead ends: 1595 [2023-11-29 00:03:38,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:03:38,496 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 1832 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 2109 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 3645 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:03:38,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 3645 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2109 Invalid, 0 Unknown, 0 Unchecked, 22.7s Time] [2023-11-29 00:03:38,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2023-11-29 00:03:38,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1517. [2023-11-29 00:03:38,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 912 states have (on average 2.026315789473684) internal successors, (1848), 1458 states have internal predecessors, (1848), 49 states have call successors, (49), 21 states have call predecessors, (49), 18 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-29 00:03:38,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1936 transitions. [2023-11-29 00:03:38,509 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1936 transitions. Word has length 77 [2023-11-29 00:03:38,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:03:38,509 INFO L495 AbstractCegarLoop]: Abstraction has 1517 states and 1936 transitions. [2023-11-29 00:03:38,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:03:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1936 transitions. [2023-11-29 00:03:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 00:03:38,510 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:03:38,510 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:03:38,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (26)] Ended with exit code 0 [2023-11-29 00:03:38,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:03:38,711 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [xatoi_positiveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, xatoi_positiveErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 692 more)] === [2023-11-29 00:03:38,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:03:38,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1904983662, now seen corresponding path program 1 times [2023-11-29 00:03:38,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:03:38,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898392809] [2023-11-29 00:03:38,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:03:38,713 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 [2023-11-29 00:03:38,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:03:38,714 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:03:38,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16bf198-7fa4-4c93-a872-20b3b76a063e/bin/uautomizer-verify-BQ2R08f2Ya/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 (27)] Waiting until timeout for monitored process [2023-11-29 00:03:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:03:41,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 00:03:41,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:03:41,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:41,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-29 00:03:41,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 00:03:41,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:41,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-11-29 00:03:41,808 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 00:03:41,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 00:03:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:44,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2023-11-29 00:03:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:44,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 00:03:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:44,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2023-11-29 00:03:44,495 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 00:03:44,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 00:03:44,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:44,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:44,644 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-29 00:03:44,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2023-11-29 00:03:44,701 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 00:03:44,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 00:03:44,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:44,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:44,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2023-11-29 00:03:45,009 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 00:03:45,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 00:03:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:45,125 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-29 00:03:45,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2023-11-29 00:03:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:45,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 00:03:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:45,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2023-11-29 00:03:45,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 00:03:45,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 00:03:49,341 INFO L349 Elim1Store]: treesize reduction 60, result has 74.5 percent of original size [2023-11-29 00:03:49,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 331