./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-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_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 aa9575a9d6782b3f681109b33c8859a1aefcf9cb32eb5af53f59cc43db765f1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:34:56,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:34:56,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-29 05:34:56,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:34:56,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:34:56,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:34:56,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:34:56,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:34:56,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:34:56,980 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:34:56,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:34:56,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:34:56,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:34:56,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:34:56,983 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:34:56,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:34:56,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:34:56,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:34:56,985 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 05:34:56,986 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 05:34:56,986 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 05:34:56,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:34:56,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:34:56,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:34:56,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:34:56,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:34:56,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:34:56,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:34:56,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:34:56,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:34:56,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:34:56,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:34:56,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:34:56,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:34:56,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:34:56,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:34:56,993 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:34:56,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:34:56,994 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_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa9575a9d6782b3f681109b33c8859a1aefcf9cb32eb5af53f59cc43db765f1e [2023-11-29 05:34:57,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:34:57,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:34:57,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:34:57,296 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:34:57,297 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:34:57,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2023-11-29 05:35:00,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:35:00,366 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:35:00,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2023-11-29 05:35:00,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/data/1e329a393/fbe0b77ea1b94e2f8e1845e3f6376f69/FLAGc56d99524 [2023-11-29 05:35:00,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/data/1e329a393/fbe0b77ea1b94e2f8e1845e3f6376f69 [2023-11-29 05:35:00,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:35:00,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:35:00,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:35:00,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:35:00,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:35:00,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:35:00" (1/1) ... [2023-11-29 05:35:00,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70175bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:00, skipping insertion in model container [2023-11-29 05:35:00,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:35:00" (1/1) ... [2023-11-29 05:35:00,495 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:35:01,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:35:01,752 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) [2023-11-29 05:35:01,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13764926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:01, skipping insertion in model container [2023-11-29 05:35:01,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:35:01,753 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-29 05:35:01,754 INFO L158 Benchmark]: Toolchain (without parser) took 1344.52ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 82.8MB in the end (delta: 9.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-29 05:35:01,755 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:35:01,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.80ms. Allocated memory is still 144.7MB. Free memory was 92.2MB in the beginning and 82.8MB in the end (delta: 9.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-29 05:35:01,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.80ms. Allocated memory is still 144.7MB. Free memory was 92.2MB in the beginning and 82.8MB in the end (delta: 9.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2238]: 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_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 aa9575a9d6782b3f681109b33c8859a1aefcf9cb32eb5af53f59cc43db765f1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:35:03,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:35:03,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-29 05:35:03,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:35:03,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:35:03,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:35:03,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:35:03,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:35:03,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:35:03,592 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:35:03,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:35:03,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:35:03,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:35:03,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:35:03,595 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:35:03,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:35:03,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:35:03,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:35:03,597 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 05:35:03,597 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 05:35:03,598 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 05:35:03,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:35:03,599 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:35:03,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:35:03,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:35:03,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:35:03,600 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:35:03,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:35:03,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:35:03,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:35:03,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:35:03,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:35:03,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:35:03,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:35:03,603 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:35:03,603 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:35:03,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:35:03,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:35:03,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:35:03,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:35:03,604 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:35:03,605 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_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa9575a9d6782b3f681109b33c8859a1aefcf9cb32eb5af53f59cc43db765f1e [2023-11-29 05:35:03,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:35:03,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:35:03,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:35:03,930 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:35:03,930 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:35:03,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2023-11-29 05:35:06,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:35:07,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:35:07,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2023-11-29 05:35:07,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/data/79acd3f0b/c5de760196094898832dc7ef79617706/FLAG790a709cd [2023-11-29 05:35:07,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/data/79acd3f0b/c5de760196094898832dc7ef79617706 [2023-11-29 05:35:07,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:35:07,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:35:07,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:35:07,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:35:07,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:35:07,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:35:07" (1/1) ... [2023-11-29 05:35:07,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230631ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:07, skipping insertion in model container [2023-11-29 05:35:07,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:35:07" (1/1) ... [2023-11-29 05:35:07,273 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:35:08,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:35:08,620 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-29 05:35:08,648 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:35:08,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:35:08,808 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:35:08,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:35:09,079 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,079 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,079 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,080 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,080 WARN L675 CHandler]: The function clearerr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,080 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,080 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,080 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,080 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,080 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,080 WARN L675 CHandler]: The function strcspn is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,081 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:35:09,087 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:35:09,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09 WrapperNode [2023-11-29 05:35:09,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:35:09,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:35:09,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:35:09,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:35:09,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,243 INFO L138 Inliner]: procedures = 605, calls = 644, calls flagged for inlining = 37, calls inlined = 36, statements flattened = 2228 [2023-11-29 05:35:09,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:35:09,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:35:09,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:35:09,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:35:09,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,299 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,485 INFO L175 MemorySlicer]: Split 456 memory accesses to 28 slices as follows [5, 3, 48, 3, 1, 20, 149, 2, 17, 3, 17, 6, 44, 2, 5, 11, 5, 19, 3, 3, 2, 13, 10, 16, 41, 1, 6, 1]. 33 percent of accesses are in the largest equivalence class. The 140 initializations are split as follows [0, 0, 45, 0, 0, 0, 38, 2, 0, 3, 4, 0, 0, 2, 5, 0, 5, 0, 3, 0, 0, 1, 0, 16, 12, 0, 4, 0]. The 123 writes are split as follows [2, 3, 0, 0, 1, 3, 59, 0, 5, 0, 4, 6, 12, 0, 0, 6, 0, 4, 0, 0, 1, 5, 9, 0, 0, 1, 1, 1]. [2023-11-29 05:35:09,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:35:09,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:35:09,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:35:09,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:35:09,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:35:09,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:35:09,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:35:09,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:35:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure getopt32 [2023-11-29 05:35:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt32 [2023-11-29 05:35:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-29 05:35:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2023-11-29 05:35:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2023-11-29 05:35:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2023-11-29 05:35:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2023-11-29 05:35:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2023-11-29 05:35:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2023-11-29 05:35:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2023-11-29 05:35:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2023-11-29 05:35:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2023-11-29 05:35:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2023-11-29 05:35:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2023-11-29 05:35:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2023-11-29 05:35:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2023-11-29 05:35:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2023-11-29 05:35:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2023-11-29 05:35:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2023-11-29 05:35:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2023-11-29 05:35:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2023-11-29 05:35:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2023-11-29 05:35:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2023-11-29 05:35:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2023-11-29 05:35:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2023-11-29 05:35:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#22 [2023-11-29 05:35:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#23 [2023-11-29 05:35:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#24 [2023-11-29 05:35:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#25 [2023-11-29 05:35:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#26 [2023-11-29 05:35:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#27 [2023-11-29 05:35:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2023-11-29 05:35:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2023-11-29 05:35:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2023-11-29 05:35:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2023-11-29 05:35:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2023-11-29 05:35:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2023-11-29 05:35:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2023-11-29 05:35:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2023-11-29 05:35:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2023-11-29 05:35:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2023-11-29 05:35:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2023-11-29 05:35:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2023-11-29 05:35:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2023-11-29 05:35:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#22 [2023-11-29 05:35:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#23 [2023-11-29 05:35:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#24 [2023-11-29 05:35:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#25 [2023-11-29 05:35:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#26 [2023-11-29 05:35:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#27 [2023-11-29 05:35:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-29 05:35:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-29 05:35:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 05:35:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 05:35:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-29 05:35:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-29 05:35:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-29 05:35:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-29 05:35:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-29 05:35:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-11-29 05:35:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-11-29 05:35:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-11-29 05:35:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-11-29 05:35:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-11-29 05:35:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-11-29 05:35:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2023-11-29 05:35:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2023-11-29 05:35:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2023-11-29 05:35:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2023-11-29 05:35:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2023-11-29 05:35:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2023-11-29 05:35:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2023-11-29 05:35:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2023-11-29 05:35:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#27 [2023-11-29 05:35:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 05:35:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 05:35:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-29 05:35:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-29 05:35:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-29 05:35:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-29 05:35:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-29 05:35:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-29 05:35:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-11-29 05:35:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-11-29 05:35:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-11-29 05:35:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-11-29 05:35:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-11-29 05:35:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-11-29 05:35:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2023-11-29 05:35:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2023-11-29 05:35:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2023-11-29 05:35:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17 [2023-11-29 05:35:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#18 [2023-11-29 05:35:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#19 [2023-11-29 05:35:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#20 [2023-11-29 05:35:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#21 [2023-11-29 05:35:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#22 [2023-11-29 05:35:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#23 [2023-11-29 05:35:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#24 [2023-11-29 05:35:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#25 [2023-11-29 05:35:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#26 [2023-11-29 05:35:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#27 [2023-11-29 05:35:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2023-11-29 05:35:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 05:35:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 05:35:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-29 05:35:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 05:35:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-29 05:35:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 05:35:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:35:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 05:35:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 05:35:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 05:35:09,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 05:35:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 05:35:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 05:35:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 05:35:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 05:35:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 05:35:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 05:35:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 05:35:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 05:35:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 05:35:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 05:35:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 05:35:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 05:35:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 05:35:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 05:35:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 05:35:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 05:35:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 05:35:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 05:35:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 05:35:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2023-11-29 05:35:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#11 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#12 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#13 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#14 [2023-11-29 05:35:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#15 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#16 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#17 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#18 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#19 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#20 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#21 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#22 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#23 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#24 [2023-11-29 05:35:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#25 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#26 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#27 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2023-11-29 05:35:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2023-11-29 05:35:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2023-11-29 05:35:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2023-11-29 05:35:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2023-11-29 05:35:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#11 [2023-11-29 05:35:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#12 [2023-11-29 05:35:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#13 [2023-11-29 05:35:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#14 [2023-11-29 05:35:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#15 [2023-11-29 05:35:09,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#16 [2023-11-29 05:35:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#17 [2023-11-29 05:35:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#18 [2023-11-29 05:35:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#19 [2023-11-29 05:35:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#20 [2023-11-29 05:35:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#21 [2023-11-29 05:35:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#22 [2023-11-29 05:35:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#23 [2023-11-29 05:35:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#24 [2023-11-29 05:35:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#25 [2023-11-29 05:35:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#26 [2023-11-29 05:35:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#27 [2023-11-29 05:35:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2023-11-29 05:35:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2023-11-29 05:35:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2023-11-29 05:35:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2023-11-29 05:35:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2023-11-29 05:35:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2023-11-29 05:35:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2023-11-29 05:35:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2023-11-29 05:35:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2023-11-29 05:35:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2023-11-29 05:35:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2023-11-29 05:35:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#11 [2023-11-29 05:35:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#12 [2023-11-29 05:35:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#13 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#14 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#15 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#16 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#17 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#18 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#19 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#20 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#21 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#22 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#23 [2023-11-29 05:35:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#24 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#25 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#26 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#27 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2023-11-29 05:35:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#11 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#12 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#13 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#14 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#15 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#16 [2023-11-29 05:35:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#17 [2023-11-29 05:35:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#18 [2023-11-29 05:35:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#19 [2023-11-29 05:35:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#20 [2023-11-29 05:35:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#21 [2023-11-29 05:35:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#22 [2023-11-29 05:35:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#23 [2023-11-29 05:35:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#24 [2023-11-29 05:35:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#25 [2023-11-29 05:35:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#26 [2023-11-29 05:35:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#27 [2023-11-29 05:35:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:35:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:35:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-29 05:35:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-29 05:35:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 05:35:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 05:35:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-29 05:35:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-29 05:35:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-29 05:35:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-29 05:35:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-29 05:35:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-29 05:35:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-11-29 05:35:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-11-29 05:35:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-11-29 05:35:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-11-29 05:35:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-11-29 05:35:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-11-29 05:35:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-11-29 05:35:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-11-29 05:35:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-11-29 05:35:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2023-11-29 05:35:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18 [2023-11-29 05:35:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#19 [2023-11-29 05:35:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#20 [2023-11-29 05:35:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#21 [2023-11-29 05:35:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#22 [2023-11-29 05:35:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#23 [2023-11-29 05:35:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#24 [2023-11-29 05:35:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#25 [2023-11-29 05:35:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#26 [2023-11-29 05:35:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#27 [2023-11-29 05:35:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-29 05:35:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-29 05:35:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-29 05:35:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-29 05:35:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-29 05:35:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-29 05:35:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-29 05:35:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-29 05:35:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-29 05:35:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-29 05:35:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-29 05:35:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-29 05:35:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-29 05:35:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-29 05:35:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-29 05:35:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-29 05:35:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-29 05:35:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-29 05:35:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-29 05:35:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-29 05:35:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-29 05:35:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2023-11-29 05:35:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2023-11-29 05:35:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2023-11-29 05:35:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2023-11-29 05:35:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2023-11-29 05:35:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2023-11-29 05:35:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2023-11-29 05:35:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-29 05:35:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-29 05:35:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-29 05:35:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-29 05:35:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-29 05:35:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-29 05:35:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-29 05:35:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-29 05:35:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-29 05:35:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-29 05:35:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-29 05:35:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-29 05:35:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-29 05:35:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-29 05:35:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-29 05:35:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-29 05:35:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-29 05:35:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-29 05:35:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-29 05:35:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-29 05:35:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-29 05:35:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2023-11-29 05:35:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2023-11-29 05:35:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2023-11-29 05:35:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2023-11-29 05:35:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2023-11-29 05:35:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2023-11-29 05:35:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2023-11-29 05:35:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 05:35:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-29 05:35:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2023-11-29 05:35:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2023-11-29 05:35:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2023-11-29 05:35:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2023-11-29 05:35:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2023-11-29 05:35:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2023-11-29 05:35:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#27 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 05:35:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 05:35:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 05:35:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 05:35:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 05:35:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 05:35:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 05:35:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 05:35:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 05:35:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 05:35:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 05:35:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 05:35:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 05:35:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 05:35:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 05:35:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 05:35:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-29 05:35:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-29 05:35:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2023-11-29 05:35:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2023-11-29 05:35:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2023-11-29 05:35:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 05:35:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 05:35:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 05:35:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 05:35:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 05:35:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 05:35:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 05:35:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 05:35:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 05:35:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 05:35:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 05:35:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 05:35:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 05:35:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 05:35:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 05:35:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 05:35:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 05:35:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 05:35:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 05:35:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 05:35:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 05:35:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 05:35:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 05:35:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-29 05:35:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-29 05:35:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2023-11-29 05:35:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2023-11-29 05:35:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2023-11-29 05:35:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2023-11-29 05:35:09,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2023-11-29 05:35:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2023-11-29 05:35:09,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2023-11-29 05:35:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-29 05:35:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 05:35:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 05:35:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 05:35:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 05:35:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 05:35:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 05:35:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 05:35:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 05:35:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 05:35:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 05:35:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 05:35:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 05:35:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 05:35:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-29 05:35:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-29 05:35:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-29 05:35:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2023-11-29 05:35:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2023-11-29 05:35:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2023-11-29 05:35:09,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 05:35:09,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 05:35:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 05:35:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 05:35:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 05:35:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 05:35:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 05:35:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 05:35:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 05:35:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 05:35:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 05:35:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 05:35:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 05:35:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 05:35:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 05:35:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 05:35:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 05:35:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 05:35:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 05:35:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 05:35:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 05:35:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 05:35:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-29 05:35:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-29 05:35:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-29 05:35:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2023-11-29 05:35:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2023-11-29 05:35:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2023-11-29 05:35:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:35:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 05:35:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 05:35:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 05:35:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2023-11-29 05:35:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#14 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#15 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#16 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#17 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#18 [2023-11-29 05:35:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#19 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#20 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#21 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#22 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#23 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#24 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#25 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#26 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#27 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 05:35:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-11-29 05:35:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#19 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#20 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#21 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#22 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#23 [2023-11-29 05:35:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#24 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#25 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#26 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#27 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-29 05:35:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2023-11-29 05:35:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#27 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 05:35:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 05:35:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure xatou_range [2023-11-29 05:35:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou_range [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_strwidth [2023-11-29 05:35:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_strwidth [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2023-11-29 05:35:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#13 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#14 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#15 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#16 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#17 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#18 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#19 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#20 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#21 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#22 [2023-11-29 05:35:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#23 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#24 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#25 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#26 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#27 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2023-11-29 05:35:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#13 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#14 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#15 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#16 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#17 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#18 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#19 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#20 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#21 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#22 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#23 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#24 [2023-11-29 05:35:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#25 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#26 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#27 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2023-11-29 05:35:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#13 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#14 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#15 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#16 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#17 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#18 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#19 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#20 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#21 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#22 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#23 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#24 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#25 [2023-11-29 05:35:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#26 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#27 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#13 [2023-11-29 05:35:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#14 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#15 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#16 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#17 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#18 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#19 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#20 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#21 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#22 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#23 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#24 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#25 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#26 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#27 [2023-11-29 05:35:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc_fgets [2023-11-29 05:35:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc_fgets [2023-11-29 05:35:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2023-11-29 05:35:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 05:35:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 05:35:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 05:35:10,858 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:35:10,862 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:35:20,167 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:20,198 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:20,228 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:20,262 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:20,290 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:20,319 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,158 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,186 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,209 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,234 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,266 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,295 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,324 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,349 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,379 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,405 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,431 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:21,458 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,165 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,196 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,225 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,255 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,281 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,311 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,345 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,371 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,399 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,429 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 05:35:31,679 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:35:31,973 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:35:31,973 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-29 05:35:31,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:35:31 BoogieIcfgContainer [2023-11-29 05:35:31,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:35:31,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:35:31,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:35:31,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:35:31,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:35:07" (1/3) ... [2023-11-29 05:35:31,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b17c2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:35:31, skipping insertion in model container [2023-11-29 05:35:31,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (2/3) ... [2023-11-29 05:35:31,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b17c2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:35:31, skipping insertion in model container [2023-11-29 05:35:31,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:35:31" (3/3) ... [2023-11-29 05:35:31,982 INFO L112 eAbstractionObserver]: Analyzing ICFG expand-2.i [2023-11-29 05:35:32,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:35:32,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 772 error locations. [2023-11-29 05:35:32,068 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:35:32,075 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;@518077f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:35:32,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 772 error locations. [2023-11-29 05:35:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 1414 states, 746 states have (on average 2.1943699731903483) internal successors, (1637), 1356 states have internal predecessors, (1637), 45 states have call successors, (45), 17 states have call predecessors, (45), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 05:35:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-29 05:35:32,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:32,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-29 05:35:32,092 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:35:32,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash 135778, now seen corresponding path program 1 times [2023-11-29 05:35:32,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:32,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295819276] [2023-11-29 05:35:32,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:32,140 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 05:35:32,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:32,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:35:32,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:35:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:32,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:35:32,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:33,003 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 05:35:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:35:33,027 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:33,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:33,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295819276] [2023-11-29 05:35:33,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295819276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:33,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:35:33,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 05:35:33,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144582817] [2023-11-29 05:35:33,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:33,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:35:33,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:33,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:35:33,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:35:33,067 INFO L87 Difference]: Start difference. First operand has 1414 states, 746 states have (on average 2.1943699731903483) internal successors, (1637), 1356 states have internal predecessors, (1637), 45 states have call successors, (45), 17 states have call predecessors, (45), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) 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) [2023-11-29 05:35:38,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:38,844 INFO L93 Difference]: Finished difference Result 1398 states and 1635 transitions. [2023-11-29 05:35:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:35:38,849 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 [2023-11-29 05:35:38,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:38,867 INFO L225 Difference]: With dead ends: 1398 [2023-11-29 05:35:38,867 INFO L226 Difference]: Without dead ends: 1397 [2023-11-29 05:35:38,868 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 [2023-11-29 05:35:38,871 INFO L413 NwaCegarLoop]: 1444 mSDtfsCounter, 78 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:38,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 2359 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 05:35:38,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2023-11-29 05:35:38,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1397. [2023-11-29 05:35:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 737 states have (on average 2.1085481682496607) internal successors, (1554), 1345 states have internal predecessors, (1554), 45 states have call successors, (45), 17 states have call predecessors, (45), 14 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:35:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1634 transitions. [2023-11-29 05:35:38,975 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1634 transitions. Word has length 2 [2023-11-29 05:35:38,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:38,976 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 1634 transitions. [2023-11-29 05:35:38,976 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) [2023-11-29 05:35:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1634 transitions. [2023-11-29 05:35:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-29 05:35:38,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:38,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-29 05:35:38,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:35:39,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:35:39,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:35:39,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:39,179 INFO L85 PathProgramCache]: Analyzing trace with hash 135779, now seen corresponding path program 1 times [2023-11-29 05:35:39,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:39,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128174874] [2023-11-29 05:35:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:39,181 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 05:35:39,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:39,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:35:39,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:35:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:39,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:35:39,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:39,838 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 [2023-11-29 05:35:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:35:39,867 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:39,867 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:39,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128174874] [2023-11-29 05:35:39,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128174874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:39,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:35:39,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 05:35:39,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084832727] [2023-11-29 05:35:39,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:39,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:35:39,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:39,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:35:39,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:35:39,889 INFO L87 Difference]: Start difference. First operand 1397 states and 1634 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) [2023-11-29 05:35:48,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:48,714 INFO L93 Difference]: Finished difference Result 1396 states and 1633 transitions. [2023-11-29 05:35:48,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:35:48,717 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 [2023-11-29 05:35:48,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:48,724 INFO L225 Difference]: With dead ends: 1396 [2023-11-29 05:35:48,724 INFO L226 Difference]: Without dead ends: 1396 [2023-11-29 05:35:48,725 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 [2023-11-29 05:35:48,726 INFO L413 NwaCegarLoop]: 1473 mSDtfsCounter, 9 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2458 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:48,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2458 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-29 05:35:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2023-11-29 05:35:48,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1396. [2023-11-29 05:35:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 737 states have (on average 2.10719131614654) internal successors, (1553), 1344 states have internal predecessors, (1553), 45 states have call successors, (45), 17 states have call predecessors, (45), 14 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:35:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1633 transitions. [2023-11-29 05:35:48,756 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1633 transitions. Word has length 2 [2023-11-29 05:35:48,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:48,757 INFO L495 AbstractCegarLoop]: Abstraction has 1396 states and 1633 transitions. [2023-11-29 05:35:48,757 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) [2023-11-29 05:35:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1633 transitions. [2023-11-29 05:35:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 05:35:48,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:48,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 05:35:48,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:35:48,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:35:48,958 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:35:48,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:48,958 INFO L85 PathProgramCache]: Analyzing trace with hash 132335260, now seen corresponding path program 1 times [2023-11-29 05:35:48,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:48,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212803501] [2023-11-29 05:35:48,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:48,959 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 05:35:48,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:48,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:35:48,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:35:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:49,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:35:49,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:49,575 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 [2023-11-29 05:35:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:35:49,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:49,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:49,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212803501] [2023-11-29 05:35:49,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212803501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:49,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:35:49,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:35:49,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983262381] [2023-11-29 05:35:49,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:49,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:35:49,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:49,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:35:49,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:35:49,683 INFO L87 Difference]: Start difference. First operand 1396 states and 1633 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) [2023-11-29 05:35:58,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:58,760 INFO L93 Difference]: Finished difference Result 1398 states and 1635 transitions. [2023-11-29 05:35:58,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:35:58,763 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 [2023-11-29 05:35:58,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:58,770 INFO L225 Difference]: With dead ends: 1398 [2023-11-29 05:35:58,770 INFO L226 Difference]: Without dead ends: 1398 [2023-11-29 05:35:58,770 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 [2023-11-29 05:35:58,771 INFO L413 NwaCegarLoop]: 1472 mSDtfsCounter, 9 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2458 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:58,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2458 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-11-29 05:35:58,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2023-11-29 05:35:58,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1398. [2023-11-29 05:35:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 739 states have (on average 2.1041948579161027) internal successors, (1555), 1346 states have internal predecessors, (1555), 45 states have call successors, (45), 17 states have call predecessors, (45), 14 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:35:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1635 transitions. [2023-11-29 05:35:58,802 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1635 transitions. Word has length 4 [2023-11-29 05:35:58,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:58,802 INFO L495 AbstractCegarLoop]: Abstraction has 1398 states and 1635 transitions. [2023-11-29 05:35:58,802 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) [2023-11-29 05:35:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1635 transitions. [2023-11-29 05:35:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 05:35:58,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:58,803 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 05:35:58,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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)] Forceful destruction successful, exit code 0 [2023-11-29 05:35:59,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:35:59,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:35:59,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:59,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1672991989, now seen corresponding path program 1 times [2023-11-29 05:35:59,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:59,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036239969] [2023-11-29 05:35:59,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:59,006 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 05:35:59,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:59,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:35:59,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:35:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:59,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:35:59,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:59,572 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 [2023-11-29 05:35:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:35:59,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:36:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:36:00,403 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:36:00,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036239969] [2023-11-29 05:36:00,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036239969] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:36:00,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:36:00,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2023-11-29 05:36:00,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306855277] [2023-11-29 05:36:00,404 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:36:00,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:36:00,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:36:00,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:36:00,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:36:00,405 INFO L87 Difference]: Start difference. First operand 1398 states and 1635 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) [2023-11-29 05:36:37,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:36:37,182 INFO L93 Difference]: Finished difference Result 1400 states and 1637 transitions. [2023-11-29 05:36:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:36:37,186 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 [2023-11-29 05:36:37,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:36:37,193 INFO L225 Difference]: With dead ends: 1400 [2023-11-29 05:36:37,193 INFO L226 Difference]: Without dead ends: 1400 [2023-11-29 05:36:37,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:36:37,195 INFO L413 NwaCegarLoop]: 1471 mSDtfsCounter, 10 mSDsluCounter, 3942 mSDsCounter, 0 mSdLazyCounter, 2731 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5413 SdHoareTripleChecker+Invalid, 2735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:36:37,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 5413 Invalid, 2735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2731 Invalid, 0 Unknown, 0 Unchecked, 36.5s Time] [2023-11-29 05:36:37,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2023-11-29 05:36:37,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1400. [2023-11-29 05:36:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 742 states have (on average 2.0983827493261455) internal successors, (1557), 1348 states have internal predecessors, (1557), 45 states have call successors, (45), 17 states have call predecessors, (45), 14 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:36:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1637 transitions. [2023-11-29 05:36:37,233 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1637 transitions. Word has length 6 [2023-11-29 05:36:37,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:36:37,233 INFO L495 AbstractCegarLoop]: Abstraction has 1400 states and 1637 transitions. [2023-11-29 05:36:37,234 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) [2023-11-29 05:36:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1637 transitions. [2023-11-29 05:36:37,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 05:36:37,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:36:37,234 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2023-11-29 05:36:37,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:36:37,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:36:37,436 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:36:37,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:36:37,437 INFO L85 PathProgramCache]: Analyzing trace with hash 237228884, now seen corresponding path program 1 times [2023-11-29 05:36:37,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:36:37,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016329152] [2023-11-29 05:36:37,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:36:37,438 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 05:36:37,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:36:37,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:36:37,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:36:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:37,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:36:37,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:36:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:36:38,075 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:36:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:36:38,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:36:38,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016329152] [2023-11-29 05:36:38,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016329152] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:36:38,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:36:38,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 05:36:38,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142314606] [2023-11-29 05:36:38,224 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:36:38,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:36:38,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:36:38,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:36:38,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:36:38,225 INFO L87 Difference]: Start difference. First operand 1400 states and 1637 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) [2023-11-29 05:36:43,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:36:43,814 INFO L93 Difference]: Finished difference Result 1410 states and 1647 transitions. [2023-11-29 05:36:43,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:36:43,818 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 [2023-11-29 05:36:43,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:36:43,825 INFO L225 Difference]: With dead ends: 1410 [2023-11-29 05:36:43,825 INFO L226 Difference]: Without dead ends: 1410 [2023-11-29 05:36:43,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:36:43,826 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 6 mSDsluCounter, 5892 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 7367 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:36:43,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 7367 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-29 05:36:43,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2023-11-29 05:36:43,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1410. [2023-11-29 05:36:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 752 states have (on average 2.083776595744681) internal successors, (1567), 1358 states have internal predecessors, (1567), 45 states have call successors, (45), 17 states have call predecessors, (45), 14 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:36:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1647 transitions. [2023-11-29 05:36:43,852 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1647 transitions. Word has length 11 [2023-11-29 05:36:43,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:36:43,852 INFO L495 AbstractCegarLoop]: Abstraction has 1410 states and 1647 transitions. [2023-11-29 05:36:43,853 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) [2023-11-29 05:36:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1647 transitions. [2023-11-29 05:36:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 05:36:43,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:36:43,853 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1] [2023-11-29 05:36:43,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:36:44,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:36:44,054 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:36:44,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:36:44,054 INFO L85 PathProgramCache]: Analyzing trace with hash 247837769, now seen corresponding path program 2 times [2023-11-29 05:36:44,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:36:44,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270712148] [2023-11-29 05:36:44,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:36:44,055 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 05:36:44,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:36:44,056 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:36:44,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:36:44,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 05:36:44,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:36:44,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:36:44,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:36:44,791 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 05:36:44,792 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 05:36:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-29 05:36:45,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:36:45,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:36:45,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270712148] [2023-11-29 05:36:45,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270712148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:36:45,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:36:45,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 05:36:45,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443714975] [2023-11-29 05:36:45,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:36:45,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:36:45,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:36:45,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:36:45,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:36:45,278 INFO L87 Difference]: Start difference. First operand 1410 states and 1647 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) [2023-11-29 05:36:58,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:36:58,089 INFO L93 Difference]: Finished difference Result 1764 states and 2062 transitions. [2023-11-29 05:36:58,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:36:58,091 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 [2023-11-29 05:36:58,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:36:58,099 INFO L225 Difference]: With dead ends: 1764 [2023-11-29 05:36:58,099 INFO L226 Difference]: Without dead ends: 1764 [2023-11-29 05:36:58,100 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 [2023-11-29 05:36:58,100 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 634 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 2131 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:36:58,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 2131 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2023-11-29 05:36:58,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2023-11-29 05:36:58,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1590. [2023-11-29 05:36:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 921 states have (on average 2.1064060803474485) internal successors, (1940), 1526 states have internal predecessors, (1940), 54 states have call successors, (54), 22 states have call predecessors, (54), 17 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:36:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2038 transitions. [2023-11-29 05:36:58,144 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2038 transitions. Word has length 21 [2023-11-29 05:36:58,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:36:58,145 INFO L495 AbstractCegarLoop]: Abstraction has 1590 states and 2038 transitions. [2023-11-29 05:36:58,145 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) [2023-11-29 05:36:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2038 transitions. [2023-11-29 05:36:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 05:36:58,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:36:58,146 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1] [2023-11-29 05:36:58,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:36:58,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:36:58,346 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:36:58,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:36:58,347 INFO L85 PathProgramCache]: Analyzing trace with hash 247837770, now seen corresponding path program 1 times [2023-11-29 05:36:58,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:36:58,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854329730] [2023-11-29 05:36:58,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:36:58,348 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 05:36:58,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:36:58,349 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:36:58,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:36:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:58,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:36:58,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:36:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:36:59,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:36:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:36:59,818 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:36:59,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854329730] [2023-11-29 05:36:59,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854329730] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:36:59,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:36:59,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-29 05:36:59,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443180088] [2023-11-29 05:36:59,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:36:59,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 05:36:59,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:36:59,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 05:36:59,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:36:59,820 INFO L87 Difference]: Start difference. First operand 1590 states and 2038 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) [2023-11-29 05:37:10,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:37:10,318 INFO L93 Difference]: Finished difference Result 1594 states and 2042 transitions. [2023-11-29 05:37:10,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:37:10,321 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 [2023-11-29 05:37:10,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:37:10,329 INFO L225 Difference]: With dead ends: 1594 [2023-11-29 05:37:10,329 INFO L226 Difference]: Without dead ends: 1594 [2023-11-29 05:37:10,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:37:10,330 INFO L413 NwaCegarLoop]: 1474 mSDtfsCounter, 3 mSDsluCounter, 13248 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 14722 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:37:10,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 14722 Invalid, 1724 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1723 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2023-11-29 05:37:10,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2023-11-29 05:37:10,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1594. [2023-11-29 05:37:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 925 states have (on average 2.1016216216216215) internal successors, (1944), 1530 states have internal predecessors, (1944), 54 states have call successors, (54), 22 states have call predecessors, (54), 17 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:37:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2042 transitions. [2023-11-29 05:37:10,362 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2042 transitions. Word has length 21 [2023-11-29 05:37:10,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:37:10,362 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2042 transitions. [2023-11-29 05:37:10,362 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) [2023-11-29 05:37:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2042 transitions. [2023-11-29 05:37:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 05:37:10,363 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:37:10,363 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1] [2023-11-29 05:37:10,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:37:10,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:37:10,564 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:37:10,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:37:10,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1296373012, now seen corresponding path program 2 times [2023-11-29 05:37:10,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:37:10,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811396089] [2023-11-29 05:37:10,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:37:10,565 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 05:37:10,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:37:10,566 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:37:10,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:37:11,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 05:37:11,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:37:11,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:37:11,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:37:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:37:11,333 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 [2023-11-29 05:37:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:37:11,774 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:37:11,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:37:11,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811396089] [2023-11-29 05:37:11,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811396089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:37:11,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:37:11,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 05:37:11,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27951324] [2023-11-29 05:37:11,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:37:11,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:37:11,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:37:11,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:37:11,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:37:11,776 INFO L87 Difference]: Start difference. First operand 1594 states and 2042 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) [2023-11-29 05:37:21,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:37:21,084 INFO L93 Difference]: Finished difference Result 1597 states and 2044 transitions. [2023-11-29 05:37:21,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:37:21,087 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 [2023-11-29 05:37:21,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:37:21,094 INFO L225 Difference]: With dead ends: 1597 [2023-11-29 05:37:21,094 INFO L226 Difference]: Without dead ends: 1597 [2023-11-29 05:37:21,094 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 [2023-11-29 05:37:21,095 INFO L413 NwaCegarLoop]: 1473 mSDtfsCounter, 6 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:37:21,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2464 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-11-29 05:37:21,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2023-11-29 05:37:21,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1597. [2023-11-29 05:37:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 928 states have (on average 2.0969827586206895) internal successors, (1946), 1532 states have internal predecessors, (1946), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:37:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2044 transitions. [2023-11-29 05:37:21,125 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2044 transitions. Word has length 25 [2023-11-29 05:37:21,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:37:21,125 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2044 transitions. [2023-11-29 05:37:21,125 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) [2023-11-29 05:37:21,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2044 transitions. [2023-11-29 05:37:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 05:37:21,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:37:21,126 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:37:21,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:37:21,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:37:21,327 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:37:21,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:37:21,327 INFO L85 PathProgramCache]: Analyzing trace with hash 72382444, now seen corresponding path program 1 times [2023-11-29 05:37:21,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:37:21,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970069945] [2023-11-29 05:37:21,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:37:21,328 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 05:37:21,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:37:21,329 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:37:21,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:37:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:22,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:37:22,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:37:22,363 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 05:37:22,364 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 [2023-11-29 05:37:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:37:22,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:37:22,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:37:22,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970069945] [2023-11-29 05:37:22,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970069945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:37:22,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:37:22,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:37:22,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968492930] [2023-11-29 05:37:22,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:37:22,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:37:22,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:37:22,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:37:22,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:37:22,408 INFO L87 Difference]: Start difference. First operand 1597 states and 2044 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) [2023-11-29 05:37:34,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:37:34,928 INFO L93 Difference]: Finished difference Result 1592 states and 2039 transitions. [2023-11-29 05:37:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:37:34,930 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 [2023-11-29 05:37:34,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:37:34,937 INFO L225 Difference]: With dead ends: 1592 [2023-11-29 05:37:34,937 INFO L226 Difference]: Without dead ends: 1592 [2023-11-29 05:37:34,937 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 [2023-11-29 05:37:34,938 INFO L413 NwaCegarLoop]: 1440 mSDtfsCounter, 63 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 2360 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:37:34,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 2360 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2023-11-29 05:37:34,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2023-11-29 05:37:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1592. [2023-11-29 05:37:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 928 states have (on average 2.091594827586207) internal successors, (1941), 1527 states have internal predecessors, (1941), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:37:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2039 transitions. [2023-11-29 05:37:34,962 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2039 transitions. Word has length 32 [2023-11-29 05:37:34,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:37:34,962 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 2039 transitions. [2023-11-29 05:37:34,962 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) [2023-11-29 05:37:34,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2039 transitions. [2023-11-29 05:37:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 05:37:34,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:37:34,964 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:37:34,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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)] Ended with exit code 0 [2023-11-29 05:37:35,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:37:35,164 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:37:35,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:37:35,165 INFO L85 PathProgramCache]: Analyzing trace with hash 72382445, now seen corresponding path program 1 times [2023-11-29 05:37:35,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:37:35,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135130888] [2023-11-29 05:37:35,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:37:35,166 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 05:37:35,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:37:35,166 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:37:35,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:37:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:36,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 05:37:36,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:37:36,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:37:36,322 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 05:37:36,344 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 05:37:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:37:36,420 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:37:36,420 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:37:36,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135130888] [2023-11-29 05:37:36,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135130888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:37:36,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:37:36,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:37:36,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303507329] [2023-11-29 05:37:36,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:37:36,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:37:36,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:37:36,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:37:36,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:37:36,422 INFO L87 Difference]: Start difference. First operand 1592 states and 2039 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) [2023-11-29 05:37:42,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:37:42,232 INFO L93 Difference]: Finished difference Result 1593 states and 2041 transitions. [2023-11-29 05:37:42,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:37:42,235 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 [2023-11-29 05:37:42,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:37:42,242 INFO L225 Difference]: With dead ends: 1593 [2023-11-29 05:37:42,242 INFO L226 Difference]: Without dead ends: 1593 [2023-11-29 05:37:42,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:37:42,243 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 271 mSDsluCounter, 4286 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 5743 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:37:42,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 5743 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-29 05:37:42,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2023-11-29 05:37:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1591. [2023-11-29 05:37:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 928 states have (on average 2.0905172413793105) internal successors, (1940), 1526 states have internal predecessors, (1940), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:37:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2038 transitions. [2023-11-29 05:37:42,265 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2038 transitions. Word has length 32 [2023-11-29 05:37:42,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:37:42,266 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2038 transitions. [2023-11-29 05:37:42,266 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) [2023-11-29 05:37:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2038 transitions. [2023-11-29 05:37:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-29 05:37:42,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:37:42,267 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:37:42,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:37:42,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:37:42,467 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:37:42,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:37:42,468 INFO L85 PathProgramCache]: Analyzing trace with hash 841863162, now seen corresponding path program 1 times [2023-11-29 05:37:42,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:37:42,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343183191] [2023-11-29 05:37:42,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:37:42,469 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 05:37:42,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:37:42,470 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:37:42,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:37:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:43,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 05:37:43,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:37:43,733 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 8 treesize of output 1 [2023-11-29 05:37:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:37:43,976 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 [2023-11-29 05:37:44,030 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 05:37:44,030 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 05:37:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:37:44,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:37:44,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:37:44,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343183191] [2023-11-29 05:37:44,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1343183191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:37:44,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:37:44,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:37:44,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801155769] [2023-11-29 05:37:44,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:37:44,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:37:44,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:37:44,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:37:44,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:37:44,190 INFO L87 Difference]: Start difference. First operand 1591 states and 2038 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) [2023-11-29 05:38:03,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:38:03,721 INFO L93 Difference]: Finished difference Result 1606 states and 2054 transitions. [2023-11-29 05:38:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:38:03,724 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 [2023-11-29 05:38:03,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:38:03,731 INFO L225 Difference]: With dead ends: 1606 [2023-11-29 05:38:03,731 INFO L226 Difference]: Without dead ends: 1606 [2023-11-29 05:38:03,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:38:03,732 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 312 mSDsluCounter, 6256 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 7699 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:38:03,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 7699 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 19.3s Time] [2023-11-29 05:38:03,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2023-11-29 05:38:03,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1599. [2023-11-29 05:38:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 937 states have (on average 2.0864461045891143) internal successors, (1955), 1534 states have internal predecessors, (1955), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:38:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2053 transitions. [2023-11-29 05:38:03,754 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2053 transitions. Word has length 34 [2023-11-29 05:38:03,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:38:03,755 INFO L495 AbstractCegarLoop]: Abstraction has 1599 states and 2053 transitions. [2023-11-29 05:38:03,755 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) [2023-11-29 05:38:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2053 transitions. [2023-11-29 05:38:03,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 05:38:03,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:38:03,756 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:38:03,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:38:03,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:38:03,957 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:38:03,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:03,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1578447839, now seen corresponding path program 1 times [2023-11-29 05:38:03,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:38:03,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030757163] [2023-11-29 05:38:03,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:03,958 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 05:38:03,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:38:03,959 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:38:03,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:38:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:05,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 05:38:05,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:38:05,723 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 05:38:05,736 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 05:38:05,775 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 05:38:05,784 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 05:38:06,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:38:06,119 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 05:38:06,171 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 05:38:06,171 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 05:38:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:38:06,382 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:38:06,382 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:38:06,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030757163] [2023-11-29 05:38:06,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030757163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:06,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:06,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:38:06,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861556646] [2023-11-29 05:38:06,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:06,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:38:06,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:38:06,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:38:06,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:38:06,384 INFO L87 Difference]: Start difference. First operand 1599 states and 2053 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 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) [2023-11-29 05:38:52,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:38:52,411 INFO L93 Difference]: Finished difference Result 1603 states and 2051 transitions. [2023-11-29 05:38:52,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:38:52,414 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 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 [2023-11-29 05:38:52,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:38:52,421 INFO L225 Difference]: With dead ends: 1603 [2023-11-29 05:38:52,421 INFO L226 Difference]: Without dead ends: 1603 [2023-11-29 05:38:52,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:38:52,422 INFO L413 NwaCegarLoop]: 1421 mSDtfsCounter, 354 mSDsluCounter, 6275 mSDsCounter, 0 mSdLazyCounter, 3309 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 7696 SdHoareTripleChecker+Invalid, 3321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:38:52,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 7696 Invalid, 3321 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 3309 Invalid, 0 Unknown, 0 Unchecked, 45.7s Time] [2023-11-29 05:38:52,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2023-11-29 05:38:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1598. [2023-11-29 05:38:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 937 states have (on average 2.0832443970117396) internal successors, (1952), 1533 states have internal predecessors, (1952), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:38:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2050 transitions. [2023-11-29 05:38:52,449 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2050 transitions. Word has length 36 [2023-11-29 05:38:52,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:38:52,450 INFO L495 AbstractCegarLoop]: Abstraction has 1598 states and 2050 transitions. [2023-11-29 05:38:52,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 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) [2023-11-29 05:38:52,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2050 transitions. [2023-11-29 05:38:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 05:38:52,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:38:52,451 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] [2023-11-29 05:38:52,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:38:52,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:38:52,651 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:38:52,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:38:52,652 INFO L85 PathProgramCache]: Analyzing trace with hash 766713053, now seen corresponding path program 1 times [2023-11-29 05:38:52,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:38:52,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237209996] [2023-11-29 05:38:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:52,653 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 05:38:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:38:52,654 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:38:52,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:38:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:53,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:38:53,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:38:53,430 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 05:38:53,469 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 [2023-11-29 05:38:53,533 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 [2023-11-29 05:38:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:38:53,563 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:38:53,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:38:53,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237209996] [2023-11-29 05:38:53,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237209996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:53,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:38:53,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:38:53,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780034638] [2023-11-29 05:38:53,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:53,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:38:53,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:38:53,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:38:53,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:38:53,565 INFO L87 Difference]: Start difference. First operand 1598 states and 2050 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) [2023-11-29 05:39:05,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:05,920 INFO L93 Difference]: Finished difference Result 1597 states and 2048 transitions. [2023-11-29 05:39:05,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:39:05,923 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 [2023-11-29 05:39:05,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:05,931 INFO L225 Difference]: With dead ends: 1597 [2023-11-29 05:39:05,931 INFO L226 Difference]: Without dead ends: 1597 [2023-11-29 05:39:05,931 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 [2023-11-29 05:39:05,931 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 15 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 4322 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:05,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 4322 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2142 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2023-11-29 05:39:05,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2023-11-29 05:39:05,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1597. [2023-11-29 05:39:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 937 states have (on average 2.08110992529349) internal successors, (1950), 1532 states have internal predecessors, (1950), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:39:05,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2048 transitions. [2023-11-29 05:39:05,958 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2048 transitions. Word has length 38 [2023-11-29 05:39:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:05,958 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2048 transitions. [2023-11-29 05:39:05,958 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) [2023-11-29 05:39:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2048 transitions. [2023-11-29 05:39:05,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 05:39:05,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:05,959 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] [2023-11-29 05:39:05,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:39:06,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:39:06,160 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:39:06,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:06,160 INFO L85 PathProgramCache]: Analyzing trace with hash 766713054, now seen corresponding path program 1 times [2023-11-29 05:39:06,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:39:06,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751324714] [2023-11-29 05:39:06,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:06,161 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 05:39:06,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:39:06,162 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:39:06,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:39:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:06,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 05:39:06,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:39:06,978 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 [2023-11-29 05:39:07,020 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 [2023-11-29 05:39:07,050 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 [2023-11-29 05:39:07,146 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 [2023-11-29 05:39:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:39:07,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:39:07,189 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:39:07,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751324714] [2023-11-29 05:39:07,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751324714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:07,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:07,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:39:07,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418937828] [2023-11-29 05:39:07,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:07,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:39:07,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:39:07,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:39:07,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:39:07,191 INFO L87 Difference]: Start difference. First operand 1597 states and 2048 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) [2023-11-29 05:39:23,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:23,823 INFO L93 Difference]: Finished difference Result 1596 states and 2046 transitions. [2023-11-29 05:39:23,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:39:23,826 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 [2023-11-29 05:39:23,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:23,832 INFO L225 Difference]: With dead ends: 1596 [2023-11-29 05:39:23,833 INFO L226 Difference]: Without dead ends: 1596 [2023-11-29 05:39:23,833 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 [2023-11-29 05:39:23,833 INFO L413 NwaCegarLoop]: 1456 mSDtfsCounter, 13 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 2051 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4411 SdHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:23,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4411 Invalid, 2051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2051 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2023-11-29 05:39:23,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2023-11-29 05:39:23,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 1596. [2023-11-29 05:39:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1596 states, 937 states have (on average 2.0789754535752403) internal successors, (1948), 1531 states have internal predecessors, (1948), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:39:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 2046 transitions. [2023-11-29 05:39:23,854 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 2046 transitions. Word has length 38 [2023-11-29 05:39:23,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:23,854 INFO L495 AbstractCegarLoop]: Abstraction has 1596 states and 2046 transitions. [2023-11-29 05:39:23,854 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) [2023-11-29 05:39:23,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 2046 transitions. [2023-11-29 05:39:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 05:39:23,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:23,855 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] [2023-11-29 05:39:23,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:39:24,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:39:24,056 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:39:24,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:24,056 INFO L85 PathProgramCache]: Analyzing trace with hash 568057175, now seen corresponding path program 1 times [2023-11-29 05:39:24,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:39:24,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079580883] [2023-11-29 05:39:24,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:24,057 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 05:39:24,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:39:24,058 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:39:24,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:39:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:24,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:39:24,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:39:24,866 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 05:39:24,893 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 [2023-11-29 05:39:24,987 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 [2023-11-29 05:39:25,015 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:39:25,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:39:25,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:39:25,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079580883] [2023-11-29 05:39:25,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079580883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:25,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:25,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:39:25,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531820730] [2023-11-29 05:39:25,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:25,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:39:25,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:39:25,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:39:25,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:39:25,016 INFO L87 Difference]: Start difference. First operand 1596 states and 2046 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) [2023-11-29 05:39:37,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:37,419 INFO L93 Difference]: Finished difference Result 1595 states and 2044 transitions. [2023-11-29 05:39:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:39:37,422 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 [2023-11-29 05:39:37,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:37,428 INFO L225 Difference]: With dead ends: 1595 [2023-11-29 05:39:37,429 INFO L226 Difference]: Without dead ends: 1595 [2023-11-29 05:39:37,429 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 [2023-11-29 05:39:37,429 INFO L413 NwaCegarLoop]: 1456 mSDtfsCounter, 10 mSDsluCounter, 2863 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4319 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:37,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4319 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2139 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2023-11-29 05:39:37,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2023-11-29 05:39:37,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1595. [2023-11-29 05:39:37,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 937 states have (on average 2.07684098185699) internal successors, (1946), 1530 states have internal predecessors, (1946), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:39:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2044 transitions. [2023-11-29 05:39:37,449 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2044 transitions. Word has length 41 [2023-11-29 05:39:37,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:37,449 INFO L495 AbstractCegarLoop]: Abstraction has 1595 states and 2044 transitions. [2023-11-29 05:39:37,449 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) [2023-11-29 05:39:37,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2044 transitions. [2023-11-29 05:39:37,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 05:39:37,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:37,450 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] [2023-11-29 05:39:37,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:39:37,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:39:37,650 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:39:37,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:37,651 INFO L85 PathProgramCache]: Analyzing trace with hash 568057176, now seen corresponding path program 1 times [2023-11-29 05:39:37,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:39:37,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108681245] [2023-11-29 05:39:37,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:37,652 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 05:39:37,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:39:37,652 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:39:37,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:39:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:38,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 05:39:38,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:39:38,494 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 [2023-11-29 05:39:38,546 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 [2023-11-29 05:39:38,568 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 [2023-11-29 05:39:38,791 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 [2023-11-29 05:39:38,848 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:39:38,848 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:39:38,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:39:38,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108681245] [2023-11-29 05:39:38,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108681245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:38,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:38,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:39:38,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613276694] [2023-11-29 05:39:38,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:38,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:39:38,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:39:38,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:39:38,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:39:38,850 INFO L87 Difference]: Start difference. First operand 1595 states and 2044 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) [2023-11-29 05:40:00,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:00,772 INFO L93 Difference]: Finished difference Result 1602 states and 2051 transitions. [2023-11-29 05:40:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:40:00,776 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 [2023-11-29 05:40:00,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:00,782 INFO L225 Difference]: With dead ends: 1602 [2023-11-29 05:40:00,782 INFO L226 Difference]: Without dead ends: 1602 [2023-11-29 05:40:00,782 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 [2023-11-29 05:40:00,783 INFO L413 NwaCegarLoop]: 1454 mSDtfsCounter, 13 mSDsluCounter, 3929 mSDsCounter, 0 mSdLazyCounter, 2695 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5383 SdHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:00,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5383 Invalid, 2696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2695 Invalid, 0 Unknown, 0 Unchecked, 21.8s Time] [2023-11-29 05:40:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2023-11-29 05:40:00,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1601. [2023-11-29 05:40:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 943 states have (on average 2.071049840933192) internal successors, (1953), 1536 states have internal predecessors, (1953), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:40:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2051 transitions. [2023-11-29 05:40:00,802 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2051 transitions. Word has length 41 [2023-11-29 05:40:00,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:00,802 INFO L495 AbstractCegarLoop]: Abstraction has 1601 states and 2051 transitions. [2023-11-29 05:40:00,803 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) [2023-11-29 05:40:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2051 transitions. [2023-11-29 05:40:00,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 05:40:00,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:00,803 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] [2023-11-29 05:40:00,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:40:01,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:40:01,004 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:40:01,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:01,004 INFO L85 PathProgramCache]: Analyzing trace with hash 875342283, now seen corresponding path program 1 times [2023-11-29 05:40:01,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:40:01,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757023034] [2023-11-29 05:40:01,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:01,005 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 05:40:01,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:40:01,006 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:40:01,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:40:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:01,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 05:40:01,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:40:01,947 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 [2023-11-29 05:40:01,996 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 [2023-11-29 05:40:02,007 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 [2023-11-29 05:40:02,378 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 [2023-11-29 05:40:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:40:02,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:40:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:40:04,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:40:04,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757023034] [2023-11-29 05:40:04,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757023034] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:40:04,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:40:04,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 05:40:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31361441] [2023-11-29 05:40:04,284 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:40:04,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:40:04,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:40:04,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:40:04,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:40:04,286 INFO L87 Difference]: Start difference. First operand 1601 states and 2051 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) [2023-11-29 05:41:13,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:41:13,560 INFO L93 Difference]: Finished difference Result 1610 states and 2058 transitions. [2023-11-29 05:41:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:41:13,565 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 [2023-11-29 05:41:13,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:41:13,570 INFO L225 Difference]: With dead ends: 1610 [2023-11-29 05:41:13,570 INFO L226 Difference]: Without dead ends: 1610 [2023-11-29 05:41:13,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:41:13,571 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 23 mSDsluCounter, 6871 mSDsCounter, 0 mSdLazyCounter, 4614 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 8324 SdHoareTripleChecker+Invalid, 4618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:41:13,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 8324 Invalid, 4618 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 4614 Invalid, 0 Unknown, 0 Unchecked, 68.1s Time] [2023-11-29 05:41:13,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2023-11-29 05:41:13,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1608. [2023-11-29 05:41:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 951 states have (on average 2.060988433228181) internal successors, (1960), 1543 states have internal predecessors, (1960), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:41:13,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2058 transitions. [2023-11-29 05:41:13,591 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2058 transitions. Word has length 44 [2023-11-29 05:41:13,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:41:13,591 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2058 transitions. [2023-11-29 05:41:13,591 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) [2023-11-29 05:41:13,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2058 transitions. [2023-11-29 05:41:13,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 05:41:13,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:41:13,592 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] [2023-11-29 05:41:13,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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)] Ended with exit code 0 [2023-11-29 05:41:13,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:41:13,793 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:41:13,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:13,793 INFO L85 PathProgramCache]: Analyzing trace with hash -899690292, now seen corresponding path program 1 times [2023-11-29 05:41:13,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:41:13,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44764759] [2023-11-29 05:41:13,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:13,794 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 05:41:13,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:41:13,795 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:41:13,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:41:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:41:14,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:41:14,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:41:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:41:14,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:41:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:41:15,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:41:15,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44764759] [2023-11-29 05:41:15,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44764759] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:41:15,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:41:15,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 05:41:15,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62502646] [2023-11-29 05:41:15,028 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:41:15,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:41:15,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:41:15,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:41:15,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:41:15,029 INFO L87 Difference]: Start difference. First operand 1608 states and 2058 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) [2023-11-29 05:41:21,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:41:21,053 INFO L93 Difference]: Finished difference Result 1645 states and 2093 transitions. [2023-11-29 05:41:21,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:41:21,056 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 [2023-11-29 05:41:21,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:41:21,061 INFO L225 Difference]: With dead ends: 1645 [2023-11-29 05:41:21,061 INFO L226 Difference]: Without dead ends: 1645 [2023-11-29 05:41:21,061 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 [2023-11-29 05:41:21,061 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 38 mSDsluCounter, 5851 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 7315 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:41:21,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 7315 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-29 05:41:21,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2023-11-29 05:41:21,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1638. [2023-11-29 05:41:21,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1638 states, 981 states have (on average 2.0336391437308867) internal successors, (1995), 1573 states have internal predecessors, (1995), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:41:21,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2093 transitions. [2023-11-29 05:41:21,081 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 2093 transitions. Word has length 51 [2023-11-29 05:41:21,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:41:21,082 INFO L495 AbstractCegarLoop]: Abstraction has 1638 states and 2093 transitions. [2023-11-29 05:41:21,082 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) [2023-11-29 05:41:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2093 transitions. [2023-11-29 05:41:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 05:41:21,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:41:21,082 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] [2023-11-29 05:41:21,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:41:21,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:41:21,283 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:41:21,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:21,283 INFO L85 PathProgramCache]: Analyzing trace with hash -917480641, now seen corresponding path program 2 times [2023-11-29 05:41:21,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:41:21,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082001184] [2023-11-29 05:41:21,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:41:21,284 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 05:41:21,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:41:21,285 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:41:21,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:41:24,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 05:41:24,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:41:24,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:41:24,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:41:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 2 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:41:24,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:41:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 2 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 05:41:25,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:41:25,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082001184] [2023-11-29 05:41:25,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082001184] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:41:25,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:41:25,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-29 05:41:25,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474893706] [2023-11-29 05:41:25,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:41:25,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 05:41:25,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:41:25,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 05:41:25,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:41:25,416 INFO L87 Difference]: Start difference. First operand 1638 states and 2093 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) [2023-11-29 05:41:39,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:41:39,110 INFO L93 Difference]: Finished difference Result 1659 states and 2107 transitions. [2023-11-29 05:41:39,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:41:39,113 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 [2023-11-29 05:41:39,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:41:39,116 INFO L225 Difference]: With dead ends: 1659 [2023-11-29 05:41:39,117 INFO L226 Difference]: Without dead ends: 1659 [2023-11-29 05:41:39,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:41:39,117 INFO L413 NwaCegarLoop]: 1469 mSDtfsCounter, 37 mSDsluCounter, 17592 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 19061 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:41:39,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 19061 Invalid, 2293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2023-11-29 05:41:39,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2023-11-29 05:41:39,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1650. [2023-11-29 05:41:39,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 993 states have (on average 2.0231621349446125) internal successors, (2009), 1585 states have internal predecessors, (2009), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:41:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2107 transitions. [2023-11-29 05:41:39,137 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2107 transitions. Word has length 66 [2023-11-29 05:41:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:41:39,137 INFO L495 AbstractCegarLoop]: Abstraction has 1650 states and 2107 transitions. [2023-11-29 05:41:39,137 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) [2023-11-29 05:41:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2107 transitions. [2023-11-29 05:41:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 05:41:39,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:41:39,138 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] [2023-11-29 05:41:39,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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)] Forceful destruction successful, exit code 0 [2023-11-29 05:41:39,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:41:39,338 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:41:39,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:39,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1490560993, now seen corresponding path program 3 times [2023-11-29 05:41:39,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:41:39,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679306159] [2023-11-29 05:41:39,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 05:41:39,340 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 05:41:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:41:39,341 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:41:39,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:41:41,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 05:41:41,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:41:42,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:41:42,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:41:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:41:42,121 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 05:41:42,128 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 05:41:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:41:42,444 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 05:41:42,480 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 05:41:42,480 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 05:41:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:41:44,533 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 05:41:44,582 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 05:41:44,582 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 05:41:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 05:41:44,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:41:48,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:41:48,275 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 05:41:58,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:41:58,316 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 [2023-11-29 05:41:59,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 05:41:59,089 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 05:41:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 05:41:59,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:41:59,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679306159] [2023-11-29 05:41:59,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679306159] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:41:59,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:41:59,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-29 05:41:59,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165908605] [2023-11-29 05:41:59,455 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:41:59,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 05:41:59,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:41:59,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 05:41:59,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=217, Unknown=1, NotChecked=0, Total=272 [2023-11-29 05:41:59,456 INFO L87 Difference]: Start difference. First operand 1650 states and 2107 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 05:43:36,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:43:36,616 INFO L93 Difference]: Finished difference Result 1710 states and 2171 transitions. [2023-11-29 05:43:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:43:36,621 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 05:43:36,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:43:36,624 INFO L225 Difference]: With dead ends: 1710 [2023-11-29 05:43:36,624 INFO L226 Difference]: Without dead ends: 1710 [2023-11-29 05:43:36,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=97, Invalid=364, Unknown=1, NotChecked=0, Total=462 [2023-11-29 05:43:36,625 INFO L413 NwaCegarLoop]: 1440 mSDtfsCounter, 699 mSDsluCounter, 11687 mSDsCounter, 0 mSdLazyCounter, 6010 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 13127 SdHoareTripleChecker+Invalid, 6031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 6010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:43:36,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 13127 Invalid, 6031 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 6010 Invalid, 0 Unknown, 0 Unchecked, 96.0s Time] [2023-11-29 05:43:36,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2023-11-29 05:43:36,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1650. [2023-11-29 05:43:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 996 states have (on average 2.0090361445783134) internal successors, (2001), 1585 states have internal predecessors, (2001), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:43:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2099 transitions. [2023-11-29 05:43:36,661 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2099 transitions. Word has length 72 [2023-11-29 05:43:36,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:43:36,661 INFO L495 AbstractCegarLoop]: Abstraction has 1650 states and 2099 transitions. [2023-11-29 05:43:36,661 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 05:43:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2099 transitions. [2023-11-29 05:43:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 05:43:36,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:43:36,662 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 05:43:36,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:43:36,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:43:36,862 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:43:36,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:43:36,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2091763396, now seen corresponding path program 1 times [2023-11-29 05:43:36,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:43:36,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846231400] [2023-11-29 05:43:36,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:43:36,864 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 05:43:36,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:43:36,865 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:43:36,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 [2023-11-29 05:43:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:43:39,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:43:39,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:43:39,391 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 05:43:39,404 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 05:43:39,444 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 05:43:39,451 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 05:43:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:43:39,769 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 05:43:39,828 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 05:43:39,828 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 05:43:41,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:43:41,926 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 05:43:41,977 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 05:43:41,977 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 05:43:42,176 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 05:43:42,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:43:45,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:43:45,965 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 05:43:49,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 05:43:49,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 05:43:50,316 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 05:43:50,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:43:50,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846231400] [2023-11-29 05:43:50,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846231400] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:43:50,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:43:50,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-11-29 05:43:50,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396615327] [2023-11-29 05:43:50,317 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:43:50,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 05:43:50,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:43:50,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 05:43:50,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2023-11-29 05:43:50,319 INFO L87 Difference]: Start difference. First operand 1650 states and 2099 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 05:46:18,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:18,801 INFO L93 Difference]: Finished difference Result 1687 states and 2137 transitions. [2023-11-29 05:46:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:46:18,805 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 05:46:18,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:18,808 INFO L225 Difference]: With dead ends: 1687 [2023-11-29 05:46:18,808 INFO L226 Difference]: Without dead ends: 1687 [2023-11-29 05:46:18,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2023-11-29 05:46:18,809 INFO L413 NwaCegarLoop]: 1423 mSDtfsCounter, 674 mSDsluCounter, 9475 mSDsCounter, 0 mSdLazyCounter, 6489 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 138.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 10898 SdHoareTripleChecker+Invalid, 6519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 6489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 146.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:18,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 10898 Invalid, 6519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 6489 Invalid, 0 Unknown, 0 Unchecked, 146.8s Time] [2023-11-29 05:46:18,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2023-11-29 05:46:18,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1652. [2023-11-29 05:46:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 998 states have (on average 2.0070140280561124) internal successors, (2003), 1587 states have internal predecessors, (2003), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:46:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2101 transitions. [2023-11-29 05:46:18,827 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2101 transitions. Word has length 74 [2023-11-29 05:46:18,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:18,828 INFO L495 AbstractCegarLoop]: Abstraction has 1652 states and 2101 transitions. [2023-11-29 05:46:18,828 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 05:46:18,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2101 transitions. [2023-11-29 05:46:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 05:46:18,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:18,828 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] [2023-11-29 05:46:18,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:19,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:19,029 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:46:19,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:19,029 INFO L85 PathProgramCache]: Analyzing trace with hash 366250493, now seen corresponding path program 1 times [2023-11-29 05:46:19,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:46:19,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463842672] [2023-11-29 05:46:19,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:19,030 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 05:46:19,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:46:19,031 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:19,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:20,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:46:20,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:46:20,454 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 05:46:20,467 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 05:46:20,467 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:46:20,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:46:20,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463842672] [2023-11-29 05:46:20,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1463842672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:20,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:20,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:46:20,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729216370] [2023-11-29 05:46:20,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:20,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:20,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:46:20,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:20,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:20,469 INFO L87 Difference]: Start difference. First operand 1652 states and 2101 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 05:46:26,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:26,078 INFO L93 Difference]: Finished difference Result 1652 states and 2101 transitions. [2023-11-29 05:46:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:26,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 75 [2023-11-29 05:46:26,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:26,083 INFO L225 Difference]: With dead ends: 1652 [2023-11-29 05:46:26,083 INFO L226 Difference]: Without dead ends: 1652 [2023-11-29 05:46:26,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 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 05:46:26,084 INFO L413 NwaCegarLoop]: 1456 mSDtfsCounter, 2 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2410 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:26,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2410 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 05:46:26,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2023-11-29 05:46:26,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1651. [2023-11-29 05:46:26,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 998 states have (on average 2.006012024048096) internal successors, (2002), 1586 states have internal predecessors, (2002), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:46:26,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2100 transitions. [2023-11-29 05:46:26,106 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 2100 transitions. Word has length 75 [2023-11-29 05:46:26,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:26,107 INFO L495 AbstractCegarLoop]: Abstraction has 1651 states and 2100 transitions. [2023-11-29 05:46:26,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 05:46:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2100 transitions. [2023-11-29 05:46:26,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 05:46:26,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:26,108 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] [2023-11-29 05:46:26,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:26,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:26,308 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:46:26,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:26,309 INFO L85 PathProgramCache]: Analyzing trace with hash 366250494, now seen corresponding path program 1 times [2023-11-29 05:46:26,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:46:26,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869868988] [2023-11-29 05:46:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:26,310 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 05:46:26,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:46:26,310 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:26,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:27,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:46:27,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:46:27,893 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 [2023-11-29 05:46:27,915 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 05:46:27,915 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:46:27,915 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:46:27,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869868988] [2023-11-29 05:46:27,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869868988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:27,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:27,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:46:27,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116009154] [2023-11-29 05:46:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:27,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:27,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:46:27,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:27,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:27,917 INFO L87 Difference]: Start difference. First operand 1651 states and 2100 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 05:46:37,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:37,058 INFO L93 Difference]: Finished difference Result 1651 states and 2100 transitions. [2023-11-29 05:46:37,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:37,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 75 [2023-11-29 05:46:37,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:37,063 INFO L225 Difference]: With dead ends: 1651 [2023-11-29 05:46:37,063 INFO L226 Difference]: Without dead ends: 1651 [2023-11-29 05:46:37,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 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 05:46:37,064 INFO L413 NwaCegarLoop]: 1456 mSDtfsCounter, 1 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:37,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2439 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2023-11-29 05:46:37,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2023-11-29 05:46:37,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1650. [2023-11-29 05:46:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 998 states have (on average 2.00501002004008) internal successors, (2001), 1585 states have internal predecessors, (2001), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:46:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2099 transitions. [2023-11-29 05:46:37,079 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2099 transitions. Word has length 75 [2023-11-29 05:46:37,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:37,080 INFO L495 AbstractCegarLoop]: Abstraction has 1650 states and 2099 transitions. [2023-11-29 05:46:37,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 05:46:37,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2099 transitions. [2023-11-29 05:46:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 05:46:37,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:37,080 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] [2023-11-29 05:46:37,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:37,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:37,281 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:46:37,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:37,281 INFO L85 PathProgramCache]: Analyzing trace with hash 366314942, now seen corresponding path program 1 times [2023-11-29 05:46:37,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:46:37,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184821199] [2023-11-29 05:46:37,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:37,282 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 05:46:37,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:46:37,283 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:37,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:38,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:46:38,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:46:38,953 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 05:46:38,954 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:46:38,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:46:38,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184821199] [2023-11-29 05:46:38,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184821199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:38,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:38,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:46:38,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62027622] [2023-11-29 05:46:38,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:38,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:38,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:46:38,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:38,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:38,956 INFO L87 Difference]: Start difference. First operand 1650 states and 2099 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 05:46:41,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:41,456 INFO L93 Difference]: Finished difference Result 1650 states and 2098 transitions. [2023-11-29 05:46:41,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:41,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 75 [2023-11-29 05:46:41,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:41,462 INFO L225 Difference]: With dead ends: 1650 [2023-11-29 05:46:41,462 INFO L226 Difference]: Without dead ends: 1650 [2023-11-29 05:46:41,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 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 05:46:41,462 INFO L413 NwaCegarLoop]: 1455 mSDtfsCounter, 23 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:41,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2871 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 05:46:41,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2023-11-29 05:46:41,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1650. [2023-11-29 05:46:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 998 states have (on average 2.004008016032064) internal successors, (2000), 1585 states have internal predecessors, (2000), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:46:41,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2098 transitions. [2023-11-29 05:46:41,489 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2098 transitions. Word has length 75 [2023-11-29 05:46:41,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:41,490 INFO L495 AbstractCegarLoop]: Abstraction has 1650 states and 2098 transitions. [2023-11-29 05:46:41,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 05:46:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2098 transitions. [2023-11-29 05:46:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 05:46:41,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:41,490 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, 1] [2023-11-29 05:46:41,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:41,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:41,691 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:46:41,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:41,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1752246004, now seen corresponding path program 1 times [2023-11-29 05:46:41,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:46:41,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142003901] [2023-11-29 05:46:41,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:41,692 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 05:46:41,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:46:41,693 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:41,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:43,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:46:43,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:46:43,104 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 05:46:43,115 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 05:46:43,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:46:43,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:46:43,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142003901] [2023-11-29 05:46:43,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [142003901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:43,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:43,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:46:43,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548308146] [2023-11-29 05:46:43,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:43,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:43,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:46:43,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:43,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:43,117 INFO L87 Difference]: Start difference. First operand 1650 states and 2098 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 05:46:48,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:48,529 INFO L93 Difference]: Finished difference Result 1650 states and 2098 transitions. [2023-11-29 05:46:48,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:48,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 78 [2023-11-29 05:46:48,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:48,534 INFO L225 Difference]: With dead ends: 1650 [2023-11-29 05:46:48,534 INFO L226 Difference]: Without dead ends: 1650 [2023-11-29 05:46:48,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 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 05:46:48,535 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 2 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2405 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:48,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2405 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-29 05:46:48,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2023-11-29 05:46:48,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1649. [2023-11-29 05:46:48,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 998 states have (on average 2.003006012024048) internal successors, (1999), 1584 states have internal predecessors, (1999), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:46:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2097 transitions. [2023-11-29 05:46:48,551 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2097 transitions. Word has length 78 [2023-11-29 05:46:48,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:48,551 INFO L495 AbstractCegarLoop]: Abstraction has 1649 states and 2097 transitions. [2023-11-29 05:46:48,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 05:46:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2097 transitions. [2023-11-29 05:46:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 05:46:48,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:48,551 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, 1] [2023-11-29 05:46:48,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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)] Forceful destruction successful, exit code 0 [2023-11-29 05:46:48,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:48,752 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:46:48,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:48,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1752246005, now seen corresponding path program 1 times [2023-11-29 05:46:48,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:46:48,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269973455] [2023-11-29 05:46:48,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:48,753 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 05:46:48,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:46:48,754 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:48,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:46:50,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:46:50,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:46:50,344 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 [2023-11-29 05:46:50,372 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 05:46:50,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:46:50,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:46:50,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269973455] [2023-11-29 05:46:50,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269973455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:50,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:46:50,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:46:50,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600371587] [2023-11-29 05:46:50,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:50,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:46:50,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:46:50,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:46:50,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:46:50,374 INFO L87 Difference]: Start difference. First operand 1649 states and 2097 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 05:46:59,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:46:59,652 INFO L93 Difference]: Finished difference Result 1649 states and 2097 transitions. [2023-11-29 05:46:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:46:59,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 78 [2023-11-29 05:46:59,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:46:59,658 INFO L225 Difference]: With dead ends: 1649 [2023-11-29 05:46:59,658 INFO L226 Difference]: Without dead ends: 1649 [2023-11-29 05:46:59,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 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 05:46:59,659 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 1 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:46:59,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2434 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-11-29 05:46:59,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2023-11-29 05:46:59,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1648. [2023-11-29 05:46:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 998 states have (on average 2.002004008016032) internal successors, (1998), 1583 states have internal predecessors, (1998), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:46:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2096 transitions. [2023-11-29 05:46:59,674 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2096 transitions. Word has length 78 [2023-11-29 05:46:59,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:46:59,674 INFO L495 AbstractCegarLoop]: Abstraction has 1648 states and 2096 transitions. [2023-11-29 05:46:59,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 05:46:59,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2096 transitions. [2023-11-29 05:46:59,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 05:46:59,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:46:59,675 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, 1, 1] [2023-11-29 05:46:59,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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)] Ended with exit code 0 [2023-11-29 05:46:59,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:59,876 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:46:59,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:46:59,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1514577688, now seen corresponding path program 1 times [2023-11-29 05:46:59,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:46:59,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28132831] [2023-11-29 05:46:59,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:46:59,877 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 05:46:59,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:46:59,878 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:46:59,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (28)] Waiting until timeout for monitored process [2023-11-29 05:47:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:01,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:47:01,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:01,393 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 05:47:01,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:47:01,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:47:01,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28132831] [2023-11-29 05:47:01,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28132831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:47:01,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:47:01,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:47:01,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957216564] [2023-11-29 05:47:01,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:47:01,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:47:01,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:01,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:47:01,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:47:01,395 INFO L87 Difference]: Start difference. First operand 1648 states and 2096 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 05:47:04,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:47:04,758 INFO L93 Difference]: Finished difference Result 1650 states and 2098 transitions. [2023-11-29 05:47:04,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:47:04,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 79 [2023-11-29 05:47:04,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:47:04,764 INFO L225 Difference]: With dead ends: 1650 [2023-11-29 05:47:04,764 INFO L226 Difference]: Without dead ends: 1650 [2023-11-29 05:47:04,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:47:04,764 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 9 mSDsluCounter, 2881 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4333 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:47:04,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4333 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 05:47:04,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2023-11-29 05:47:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1650. [2023-11-29 05:47:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 1000 states have (on average 2.0) internal successors, (2000), 1585 states have internal predecessors, (2000), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:47:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2098 transitions. [2023-11-29 05:47:04,780 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2098 transitions. Word has length 79 [2023-11-29 05:47:04,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:47:04,780 INFO L495 AbstractCegarLoop]: Abstraction has 1650 states and 2098 transitions. [2023-11-29 05:47:04,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 05:47:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2098 transitions. [2023-11-29 05:47:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-29 05:47:04,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:47:04,781 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, 1, 1, 1] [2023-11-29 05:47:04,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (28)] Ended with exit code 0 [2023-11-29 05:47:04,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:04,982 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:47:04,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:47:04,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1939248379, now seen corresponding path program 1 times [2023-11-29 05:47:04,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:47:04,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366247292] [2023-11-29 05:47:04,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:47:04,983 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 05:47:04,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:47:04,984 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:04,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (29)] Waiting until timeout for monitored process [2023-11-29 05:47:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:06,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:47:06,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:06,428 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 05:47:06,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:47:06,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:47:06,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366247292] [2023-11-29 05:47:06,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366247292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:47:06,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:47:06,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:47:06,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272080767] [2023-11-29 05:47:06,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:47:06,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:47:06,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:06,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:47:06,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:47:06,429 INFO L87 Difference]: Start difference. First operand 1650 states and 2098 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 05:47:09,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:47:09,634 INFO L93 Difference]: Finished difference Result 1657 states and 2107 transitions. [2023-11-29 05:47:09,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:47:09,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 80 [2023-11-29 05:47:09,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:47:09,639 INFO L225 Difference]: With dead ends: 1657 [2023-11-29 05:47:09,639 INFO L226 Difference]: Without dead ends: 1657 [2023-11-29 05:47:09,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:47:09,640 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 9 mSDsluCounter, 2886 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4336 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:47:09,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4336 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 05:47:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2023-11-29 05:47:09,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1651. [2023-11-29 05:47:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 1001 states have (on average 1.998001998001998) internal successors, (2000), 1586 states have internal predecessors, (2000), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:47:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2098 transitions. [2023-11-29 05:47:09,655 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 2098 transitions. Word has length 80 [2023-11-29 05:47:09,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:47:09,655 INFO L495 AbstractCegarLoop]: Abstraction has 1651 states and 2098 transitions. [2023-11-29 05:47:09,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 05:47:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2098 transitions. [2023-11-29 05:47:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 05:47:09,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:47:09,656 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, 1, 1, 1, 1] [2023-11-29 05:47:09,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (29)] Forceful destruction successful, exit code 0 [2023-11-29 05:47:09,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:09,857 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:47:09,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:47:09,857 INFO L85 PathProgramCache]: Analyzing trace with hash 128946349, now seen corresponding path program 1 times [2023-11-29 05:47:09,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:47:09,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944047432] [2023-11-29 05:47:09,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:47:09,858 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 05:47:09,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:47:09,859 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:09,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (30)] Waiting until timeout for monitored process [2023-11-29 05:47:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:11,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:47:11,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:11,309 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 05:47:11,322 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 05:47:11,322 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:47:11,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:47:11,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944047432] [2023-11-29 05:47:11,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944047432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:47:11,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:47:11,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:47:11,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758487127] [2023-11-29 05:47:11,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:47:11,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:47:11,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:11,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:47:11,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:47:11,324 INFO L87 Difference]: Start difference. First operand 1651 states and 2098 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 05:47:16,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:47:16,507 INFO L93 Difference]: Finished difference Result 1651 states and 2098 transitions. [2023-11-29 05:47:16,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:47:16,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 81 [2023-11-29 05:47:16,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:47:16,513 INFO L225 Difference]: With dead ends: 1651 [2023-11-29 05:47:16,513 INFO L226 Difference]: Without dead ends: 1651 [2023-11-29 05:47:16,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 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 05:47:16,513 INFO L413 NwaCegarLoop]: 1451 mSDtfsCounter, 2 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2402 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:47:16,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2402 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 05:47:16,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2023-11-29 05:47:16,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1650. [2023-11-29 05:47:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 1001 states have (on average 1.997002997002997) internal successors, (1999), 1585 states have internal predecessors, (1999), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:47:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2097 transitions. [2023-11-29 05:47:16,533 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2097 transitions. Word has length 81 [2023-11-29 05:47:16,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:47:16,533 INFO L495 AbstractCegarLoop]: Abstraction has 1650 states and 2097 transitions. [2023-11-29 05:47:16,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 05:47:16,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2097 transitions. [2023-11-29 05:47:16,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 05:47:16,533 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:47:16,533 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, 1, 1, 1, 1] [2023-11-29 05:47:16,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (30)] Ended with exit code 0 [2023-11-29 05:47:16,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:16,734 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:47:16,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:47:16,734 INFO L85 PathProgramCache]: Analyzing trace with hash 128946350, now seen corresponding path program 1 times [2023-11-29 05:47:16,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:47:16,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [486117969] [2023-11-29 05:47:16,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:47:16,735 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 05:47:16,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:47:16,736 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:16,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (31)] Waiting until timeout for monitored process [2023-11-29 05:47:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:18,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:47:18,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:18,196 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 [2023-11-29 05:47:18,216 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 05:47:18,216 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:47:18,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:47:18,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [486117969] [2023-11-29 05:47:18,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [486117969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:47:18,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:47:18,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:47:18,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926123322] [2023-11-29 05:47:18,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:47:18,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:47:18,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:18,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:47:18,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:47:18,218 INFO L87 Difference]: Start difference. First operand 1650 states and 2097 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 05:47:26,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:47:26,972 INFO L93 Difference]: Finished difference Result 1650 states and 2097 transitions. [2023-11-29 05:47:26,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:47:26,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 81 [2023-11-29 05:47:26,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:47:26,978 INFO L225 Difference]: With dead ends: 1650 [2023-11-29 05:47:26,978 INFO L226 Difference]: Without dead ends: 1650 [2023-11-29 05:47:26,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 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 05:47:26,978 INFO L413 NwaCegarLoop]: 1451 mSDtfsCounter, 1 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:47:26,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2431 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 05:47:26,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2023-11-29 05:47:26,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1649. [2023-11-29 05:47:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1001 states have (on average 1.996003996003996) internal successors, (1998), 1584 states have internal predecessors, (1998), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:47:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2096 transitions. [2023-11-29 05:47:26,994 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2096 transitions. Word has length 81 [2023-11-29 05:47:26,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:47:26,995 INFO L495 AbstractCegarLoop]: Abstraction has 1649 states and 2096 transitions. [2023-11-29 05:47:26,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 05:47:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2096 transitions. [2023-11-29 05:47:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 05:47:26,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:47:26,996 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:47:27,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (31)] Forceful destruction successful, exit code 0 [2023-11-29 05:47:27,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:27,196 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:47:27,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:47:27,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2070179758, now seen corresponding path program 1 times [2023-11-29 05:47:27,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:47:27,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2034518846] [2023-11-29 05:47:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:47:27,197 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 05:47:27,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:47:27,198 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:27,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (32)] Waiting until timeout for monitored process [2023-11-29 05:47:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:28,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:47:28,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:28,814 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 05:47:28,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:47:28,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:47:28,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2034518846] [2023-11-29 05:47:28,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2034518846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:47:28,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:47:28,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:47:28,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181568267] [2023-11-29 05:47:28,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:47:28,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:47:28,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:28,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:47:28,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:47:28,816 INFO L87 Difference]: Start difference. First operand 1649 states and 2096 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 05:47:33,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:47:33,248 INFO L93 Difference]: Finished difference Result 1655 states and 2104 transitions. [2023-11-29 05:47:33,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:47:33,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 84 [2023-11-29 05:47:33,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:47:33,253 INFO L225 Difference]: With dead ends: 1655 [2023-11-29 05:47:33,253 INFO L226 Difference]: Without dead ends: 1655 [2023-11-29 05:47:33,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:47:33,254 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 13 mSDsluCounter, 4329 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5779 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:47:33,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5779 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 05:47:33,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2023-11-29 05:47:33,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1651. [2023-11-29 05:47:33,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1651 states, 1003 states have (on average 1.9940179461615155) internal successors, (2000), 1586 states have internal predecessors, (2000), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:47:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2098 transitions. [2023-11-29 05:47:33,269 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 2098 transitions. Word has length 84 [2023-11-29 05:47:33,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:47:33,269 INFO L495 AbstractCegarLoop]: Abstraction has 1651 states and 2098 transitions. [2023-11-29 05:47:33,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 05:47:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2098 transitions. [2023-11-29 05:47:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 05:47:33,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:47:33,270 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:47:33,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (32)] Ended with exit code 0 [2023-11-29 05:47:33,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:33,471 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:47:33,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:47:33,471 INFO L85 PathProgramCache]: Analyzing trace with hash 508838496, now seen corresponding path program 1 times [2023-11-29 05:47:33,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:47:33,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606883700] [2023-11-29 05:47:33,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:47:33,472 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 05:47:33,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:47:33,473 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:33,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (33)] Waiting until timeout for monitored process [2023-11-29 05:47:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:35,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:47:35,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:35,139 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 05:47:35,139 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:47:35,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:47:35,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606883700] [2023-11-29 05:47:35,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606883700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:47:35,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:47:35,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:47:35,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008877369] [2023-11-29 05:47:35,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:47:35,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:47:35,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:35,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:47:35,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:47:35,141 INFO L87 Difference]: Start difference. First operand 1651 states and 2098 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 05:47:38,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:47:38,715 INFO L93 Difference]: Finished difference Result 1653 states and 2100 transitions. [2023-11-29 05:47:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:47:38,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 85 [2023-11-29 05:47:38,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:47:38,720 INFO L225 Difference]: With dead ends: 1653 [2023-11-29 05:47:38,720 INFO L226 Difference]: Without dead ends: 1653 [2023-11-29 05:47:38,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:47:38,720 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 7 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4329 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:47:38,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4329 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 05:47:38,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2023-11-29 05:47:38,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1653. [2023-11-29 05:47:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1653 states, 1005 states have (on average 1.9920398009950249) internal successors, (2002), 1588 states have internal predecessors, (2002), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:47:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2100 transitions. [2023-11-29 05:47:38,743 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2100 transitions. Word has length 85 [2023-11-29 05:47:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:47:38,743 INFO L495 AbstractCegarLoop]: Abstraction has 1653 states and 2100 transitions. [2023-11-29 05:47:38,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 05:47:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2100 transitions. [2023-11-29 05:47:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 05:47:38,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:47:38,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:47:38,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (33)] Forceful destruction successful, exit code 0 [2023-11-29 05:47:38,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:38,944 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:47:38,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:47:38,945 INFO L85 PathProgramCache]: Analyzing trace with hash -2042888306, now seen corresponding path program 1 times [2023-11-29 05:47:38,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:47:38,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631222084] [2023-11-29 05:47:38,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:47:38,946 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 05:47:38,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:47:38,947 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:38,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (34)] Waiting until timeout for monitored process [2023-11-29 05:47:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:40,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:47:40,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:40,478 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 05:47:40,478 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:47:40,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:47:40,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631222084] [2023-11-29 05:47:40,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1631222084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:47:40,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:47:40,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:47:40,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547067598] [2023-11-29 05:47:40,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:47:40,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:47:40,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:40,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:47:40,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:47:40,480 INFO L87 Difference]: Start difference. First operand 1653 states and 2100 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 05:47:44,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:47:44,815 INFO L93 Difference]: Finished difference Result 1659 states and 2107 transitions. [2023-11-29 05:47:44,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:47:44,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 86 [2023-11-29 05:47:44,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:47:44,820 INFO L225 Difference]: With dead ends: 1659 [2023-11-29 05:47:44,820 INFO L226 Difference]: Without dead ends: 1659 [2023-11-29 05:47:44,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:47:44,821 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 13 mSDsluCounter, 4338 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5795 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:47:44,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5795 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 05:47:44,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2023-11-29 05:47:44,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1652. [2023-11-29 05:47:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1004 states have (on average 1.9920318725099602) internal successors, (2000), 1587 states have internal predecessors, (2000), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:47:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2098 transitions. [2023-11-29 05:47:44,836 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2098 transitions. Word has length 86 [2023-11-29 05:47:44,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:47:44,837 INFO L495 AbstractCegarLoop]: Abstraction has 1652 states and 2098 transitions. [2023-11-29 05:47:44,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 05:47:44,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2098 transitions. [2023-11-29 05:47:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 05:47:44,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:47:44,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:47:44,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (34)] Ended with exit code 0 [2023-11-29 05:47:45,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:45,038 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:47:45,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:47:45,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1883653772, now seen corresponding path program 1 times [2023-11-29 05:47:45,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:47:45,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622248665] [2023-11-29 05:47:45,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:47:45,040 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 05:47:45,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:47:45,040 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:45,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (35)] Waiting until timeout for monitored process [2023-11-29 05:47:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:46,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:47:46,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:46,543 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 05:47:46,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:47:46,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:47:46,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622248665] [2023-11-29 05:47:46,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622248665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:47:46,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:47:46,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:47:46,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257358756] [2023-11-29 05:47:46,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:47:46,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:47:46,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:46,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:47:46,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:47:46,545 INFO L87 Difference]: Start difference. First operand 1652 states and 2098 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 05:47:49,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:47:49,736 INFO L93 Difference]: Finished difference Result 1656 states and 2102 transitions. [2023-11-29 05:47:49,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:47:49,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 86 [2023-11-29 05:47:49,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:47:49,741 INFO L225 Difference]: With dead ends: 1656 [2023-11-29 05:47:49,741 INFO L226 Difference]: Without dead ends: 1656 [2023-11-29 05:47:49,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:47:49,741 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 3 mSDsluCounter, 2893 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4343 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:47:49,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4343 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 05:47:49,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2023-11-29 05:47:49,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1654. [2023-11-29 05:47:49,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1006 states have (on average 1.9900596421471173) internal successors, (2002), 1589 states have internal predecessors, (2002), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:47:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2100 transitions. [2023-11-29 05:47:49,762 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2100 transitions. Word has length 86 [2023-11-29 05:47:49,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:47:49,762 INFO L495 AbstractCegarLoop]: Abstraction has 1654 states and 2100 transitions. [2023-11-29 05:47:49,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 05:47:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2100 transitions. [2023-11-29 05:47:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 05:47:49,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:47:49,763 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:47:49,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (35)] Ended with exit code 0 [2023-11-29 05:47:49,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:49,964 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:47:49,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:47:49,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1883594190, now seen corresponding path program 1 times [2023-11-29 05:47:49,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:47:49,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985611717] [2023-11-29 05:47:49,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:47:49,965 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 05:47:49,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:47:49,966 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:47:49,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (36)] Waiting until timeout for monitored process [2023-11-29 05:47:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:47:52,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 05:47:52,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:47:52,738 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 05:47:53,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:47:53,248 INFO L349 Elim1Store]: treesize reduction 50, result has 24.2 percent of original size [2023-11-29 05:47:53,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 27 [2023-11-29 05:47:53,291 INFO L349 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2023-11-29 05:47:53,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 05:47:53,415 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-29 05:47:53,415 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 21 treesize of output 20 [2023-11-29 05:47:54,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:47:54,187 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 16 treesize of output 13 [2023-11-29 05:47:54,342 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 05:47:54,342 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 05:47:54,679 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 05:47:54,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:47:54,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:47:54,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985611717] [2023-11-29 05:47:54,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985611717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:47:54,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:47:54,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:47:54,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476131150] [2023-11-29 05:47:54,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:47:54,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:47:54,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:47:54,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:47:54,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:47:54,681 INFO L87 Difference]: Start difference. First operand 1654 states and 2100 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 05:48:16,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:48:16,137 INFO L93 Difference]: Finished difference Result 1826 states and 2122 transitions. [2023-11-29 05:48:16,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:48:16,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 86 [2023-11-29 05:48:16,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:48:16,142 INFO L225 Difference]: With dead ends: 1826 [2023-11-29 05:48:16,142 INFO L226 Difference]: Without dead ends: 1826 [2023-11-29 05:48:16,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:48:16,143 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 1177 mSDsluCounter, 3461 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 4754 SdHoareTripleChecker+Invalid, 3058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:48:16,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 4754 Invalid, 3058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2980 Invalid, 0 Unknown, 0 Unchecked, 21.1s Time] [2023-11-29 05:48:16,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2023-11-29 05:48:16,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1653. [2023-11-29 05:48:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1653 states, 1006 states have (on average 1.9880715705765408) internal successors, (2000), 1588 states have internal predecessors, (2000), 54 states have call successors, (54), 23 states have call predecessors, (54), 18 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2023-11-29 05:48:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2098 transitions. [2023-11-29 05:48:16,159 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2098 transitions. Word has length 86 [2023-11-29 05:48:16,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:48:16,159 INFO L495 AbstractCegarLoop]: Abstraction has 1653 states and 2098 transitions. [2023-11-29 05:48:16,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 05:48:16,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2098 transitions. [2023-11-29 05:48:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 05:48:16,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:48:16,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:48:16,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (36)] Ended with exit code 0 [2023-11-29 05:48:16,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:48:16,361 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [getopt32Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, getopt32Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 769 more)] === [2023-11-29 05:48:16,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:48:16,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1883594189, now seen corresponding path program 1 times [2023-11-29 05:48:16,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:48:16,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400525610] [2023-11-29 05:48:16,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:48:16,362 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 05:48:16,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:48:16,363 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 05:48:16,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/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 (37)] Waiting until timeout for monitored process [2023-11-29 05:48:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:48:18,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 05:48:18,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:48:18,788 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 [2023-11-29 05:48:18,807 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 05:48:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:48:19,758 INFO L349 Elim1Store]: treesize reduction 50, result has 24.2 percent of original size [2023-11-29 05:48:19,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 27 [2023-11-29 05:48:19,785 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 19 treesize of output 9 [2023-11-29 05:48:19,864 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 05:48:19,864 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 13 [2023-11-29 05:48:19,910 INFO L349 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2023-11-29 05:48:19,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 05:48:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:48:20,015 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 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 05:48:20,051 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 05:48:20,051 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 05:48:21,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:48:21,148 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 [2023-11-29 05:48:21,378 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 05:48:21,378 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 13 [2023-11-29 05:48:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 05:48:21,775 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:48:27,558 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv1 64) c_~applet_name~0.offset))) (and (or (= (_ bv0 64) (bvadd (_ bv1 64) |c_#StackHeapBarrier|)) (bvule c_~applet_name~0.offset .cse0)) (forall ((|v_ULTIMATE.start___main_~#opt_t~0#1.base_15| (_ BitVec 64))) (or (forall ((|v_ULTIMATE.start_init_unicode_#t~nondet197#1_9| (_ BitVec 64)) (v_ArrVal_4642 (_ BitVec 64))) (or (forall ((|v_ULTIMATE.start_init_unicode_#t~nondet196#1.base_14| (_ BitVec 64))) (bvule .cse0 (select (store (store |c_#length| |v_ULTIMATE.start___main_~#opt_t~0#1.base_15| v_ArrVal_4642) |v_ULTIMATE.start_init_unicode_#t~nondet196#1.base_14| |v_ULTIMATE.start_init_unicode_#t~nondet197#1_9|) c_~applet_name~0.base))) (not (bvugt |v_ULTIMATE.start_init_unicode_#t~nondet197#1_9| (_ bv0 64))))) (not (bvult |c_#StackHeapBarrier| |v_ULTIMATE.start___main_~#opt_t~0#1.base_15|)))))) is different from false [2023-11-29 05:48:43,230 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:48:43,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400525610] [2023-11-29 05:48:43,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400525610] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:48:43,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1268738264] [2023-11-29 05:48:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:48:43,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:48:43,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:48:43,232 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:48:43,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ee388e-2d3e-48b5-afd8-6a28a323170c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-11-29 05:48:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:48:55,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 05:48:55,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:48:55,550 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 05:48:55,563 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 [2023-11-29 05:48:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:48:56,454 INFO L349 Elim1Store]: treesize reduction 48, result has 25.0 percent of original size [2023-11-29 05:48:56,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 34 [2023-11-29 05:48:56,481 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 19 treesize of output 9 [2023-11-29 05:48:56,572 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 05:48:56,573 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 13 [2023-11-29 05:48:56,645 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-11-29 05:48:56,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2023-11-29 05:48:57,061 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-29 05:48:57,062 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 62 treesize of output 55 [2023-11-29 05:48:57,257 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-11-29 05:48:57,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 93 [2023-11-29 05:48:57,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 25 treesize of output 1 [2023-11-29 05:48:58,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 13 treesize of output 4 [2023-11-29 05:48:59,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 05:48:59,219 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 [2023-11-29 05:48:59,326 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 05:48:59,327 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 13 [2023-11-29 05:48:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 05:48:59,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:49:35,093 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv1 64) c_~applet_name~0.offset))) (and (forall ((|v_ULTIMATE.start_main_~argv~0#1.base_37| (_ BitVec 64))) (or (forall ((|v_ULTIMATE.start_main_~mem_track~0#1.base_23| (_ BitVec 64)) (v_ArrVal_4834 (_ BitVec 1))) (let ((.cse0 (store |c_#valid| |v_ULTIMATE.start_main_~argv~0#1.base_37| v_ArrVal_4834))) (or (forall ((|v_ULTIMATE.start_main_#t~malloc345#1.base_28| (_ BitVec 64)) (v_ArrVal_4831 (_ BitVec 64)) (v_ArrVal_4832 (_ BitVec 64))) (or (not (= (select (store .cse0 |v_ULTIMATE.start_main_~mem_track~0#1.base_23| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc345#1.base_28|) (_ bv0 1))) (forall ((v_ArrVal_4835 (_ BitVec 64)) (|v_ULTIMATE.start___main_~#opt_t~0#1.base_16| (_ BitVec 64))) (or (forall ((v_ArrVal_4838 (_ BitVec 64)) (|v_ULTIMATE.start_init_unicode_#t~nondet197#1_9| (_ BitVec 64))) (or (forall ((|v_ULTIMATE.start_init_unicode_#t~nondet196#1.base_14| (_ BitVec 64))) (bvule .cse1 (select (store (store (store (store (store |c_#length| |v_ULTIMATE.start_main_~argv~0#1.base_37| v_ArrVal_4832) |v_ULTIMATE.start_main_~mem_track~0#1.base_23| v_ArrVal_4831) |v_ULTIMATE.start_main_#t~malloc345#1.base_28| v_ArrVal_4835) |v_ULTIMATE.start___main_~#opt_t~0#1.base_16| v_ArrVal_4838) |v_ULTIMATE.start_init_unicode_#t~nondet196#1.base_14| |v_ULTIMATE.start_init_unicode_#t~nondet197#1_9|) c_~applet_name~0.base))) (not (bvugt |v_ULTIMATE.start_init_unicode_#t~nondet197#1_9| (_ bv0 64))))) (not (bvult |c_#StackHeapBarrier| |v_ULTIMATE.start___main_~#opt_t~0#1.base_16|)))))) (not (= (_ bv0 1) (select .cse0 |v_ULTIMATE.start_main_~mem_track~0#1.base_23|)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~argv~0#1.base_37|))))) (or (= (_ bv0 64) (bvadd (_ bv1 64) |c_#StackHeapBarrier|)) (bvule c_~applet_name~0.offset .cse1) (forall ((|v_ULTIMATE.start_main_#t~malloc345#1.base_28| (_ BitVec 64)) (|v_ULTIMATE.start_main_~mem_track~0#1.base_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_~argv~0#1.base_37| (_ BitVec 64)) (v_ArrVal_4834 (_ BitVec 1))) (let ((.cse2 (store |c_#valid| |v_ULTIMATE.start_main_~argv~0#1.base_37| v_ArrVal_4834))) (or (not (= (select (store .cse2 |v_ULTIMATE.start_main_~mem_track~0#1.base_23| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc345#1.base_28|) (_ bv0 1))) (not (= (_ bv0 1) (select .cse2 |v_ULTIMATE.start_main_~mem_track~0#1.base_23|))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~argv~0#1.base_37|))))))))) is different from false [2023-11-29 05:49:35,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1268738264] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:49:35,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:49:35,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2023-11-29 05:49:35,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240648293] [2023-11-29 05:49:35,274 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:49:35,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:49:35,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:49:35,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:49:35,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=217, Unknown=10, NotChecked=66, Total=380 [2023-11-29 05:49:35,275 INFO L87 Difference]: Start difference. First operand 1653 states and 2098 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 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)