./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-1.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_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 201f380b05f2f2592e2e623b47b2e89fa8ae6bbfe4280f276a262761079e1716 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:21:16,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:21:16,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-29 04:21:16,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:21:16,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:21:16,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:21:16,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:21:16,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:21:16,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:21:16,605 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:21:16,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:21:16,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:21:16,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:21:16,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:21:16,608 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:21:16,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:21:16,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:21:16,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:21:16,611 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 04:21:16,611 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 04:21:16,612 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 04:21:16,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:21:16,613 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:21:16,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:21:16,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:21:16,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:21:16,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:21:16,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:21:16,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:21:16,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:16,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:21:16,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:21:16,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:21:16,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:21:16,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:21:16,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:21:16,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:21:16,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:21:16,619 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_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 201f380b05f2f2592e2e623b47b2e89fa8ae6bbfe4280f276a262761079e1716 [2023-11-29 04:21:16,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:21:16,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:21:16,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:21:16,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:21:16,863 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:21:16,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2023-11-29 04:21:19,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:21:20,108 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:21:20,109 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2023-11-29 04:21:20,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/data/232fcd5de/3be004bf49534f7995645f52b1556782/FLAG07e6797f9 [2023-11-29 04:21:20,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/data/232fcd5de/3be004bf49534f7995645f52b1556782 [2023-11-29 04:21:20,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:21:20,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:21:20,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:20,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:21:20,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:21:20,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:20" (1/1) ... [2023-11-29 04:21:20,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1a3360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:20, skipping insertion in model container [2023-11-29 04:21:20,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:20" (1/1) ... [2023-11-29 04:21:20,284 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:21:21,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:21,782 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 04:21:21,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6057b7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:21, skipping insertion in model container [2023-11-29 04:21:21,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:21,783 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-29 04:21:21,785 INFO L158 Benchmark]: Toolchain (without parser) took 1621.01ms. Allocated memory is still 151.0MB. Free memory was 114.7MB in the beginning and 111.6MB in the end (delta: 3.1MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-11-29 04:21:21,785 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:21,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1618.33ms. Allocated memory is still 151.0MB. Free memory was 114.7MB in the beginning and 111.6MB in the end (delta: 3.1MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-11-29 04:21:21,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1618.33ms. Allocated memory is still 151.0MB. Free memory was 114.7MB in the beginning and 111.6MB in the end (delta: 3.1MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2222]: 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_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 201f380b05f2f2592e2e623b47b2e89fa8ae6bbfe4280f276a262761079e1716 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:21:23,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:21:23,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-29 04:21:23,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:21:23,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:21:23,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:21:23,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:21:23,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:21:23,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:21:23,757 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:21:23,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:21:23,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:21:23,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:21:23,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:21:23,761 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:21:23,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:21:23,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:21:23,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:21:23,763 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 04:21:23,764 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 04:21:23,764 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 04:21:23,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:21:23,768 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:21:23,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:21:23,769 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:21:23,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:21:23,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:21:23,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:21:23,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:21:23,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:21:23,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:21:23,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:23,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:21:23,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:21:23,773 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:21:23,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:21:23,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:21:23,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:21:23,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:21:23,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:21:23,775 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:21:23,775 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_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 201f380b05f2f2592e2e623b47b2e89fa8ae6bbfe4280f276a262761079e1716 [2023-11-29 04:21:24,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:21:24,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:21:24,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:21:24,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:21:24,115 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:21:24,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2023-11-29 04:21:27,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:21:27,427 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:21:27,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2023-11-29 04:21:27,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/data/a77eb5f28/ca806dee54ea428786c226cb24754ddb/FLAG646220bef [2023-11-29 04:21:27,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/data/a77eb5f28/ca806dee54ea428786c226cb24754ddb [2023-11-29 04:21:27,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:21:27,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:21:27,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:27,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:21:27,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:21:27,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:27" (1/1) ... [2023-11-29 04:21:27,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48027914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:27, skipping insertion in model container [2023-11-29 04:21:27,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:27" (1/1) ... [2023-11-29 04:21:27,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:21:28,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:28,903 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-29 04:21:28,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:21:29,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:29,118 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:21:29,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:29,480 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,480 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,480 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,480 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,480 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,481 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,481 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,481 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,481 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,481 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:21:29,488 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:21:29,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29 WrapperNode [2023-11-29 04:21:29,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:29,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:29,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:21:29,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:21:29,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:29,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:29,651 INFO L138 Inliner]: procedures = 595, calls = 481, calls flagged for inlining = 28, calls inlined = 26, statements flattened = 1591 [2023-11-29 04:21:29,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:29,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:21:29,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:21:29,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:21:29,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:29,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:29,703 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:29,885 INFO L175 MemorySlicer]: Split 307 memory accesses to 23 slices as follows [2, 2, 44, 92, 3, 6, 34, 3, 22, 2, 5, 5, 3, 11, 3, 16, 17, 21, 1, 1, 7, 4, 3]. 30 percent of accesses are in the largest equivalence class. The 89 initializations are split as follows [2, 0, 0, 46, 3, 0, 5, 0, 0, 2, 5, 5, 0, 1, 0, 16, 4, 0, 0, 0, 0, 0, 0]. The 71 writes are split as follows [0, 1, 12, 24, 0, 4, 0, 0, 5, 0, 0, 0, 0, 5, 3, 0, 4, 3, 1, 1, 7, 1, 0]. [2023-11-29 04:21:29,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:29,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:30,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:30,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:30,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:30,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:30,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:21:30,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:21:30,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:21:30,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:21:30,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (1/1) ... [2023-11-29 04:21:30,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:30,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:21:30,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:21:30,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:21:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-29 04:21:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2023-11-29 04:21:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2023-11-29 04:21:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2023-11-29 04:21:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2023-11-29 04:21:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2023-11-29 04:21:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2023-11-29 04:21:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2023-11-29 04:21:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2023-11-29 04:21:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2023-11-29 04:21:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2023-11-29 04:21:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2023-11-29 04:21:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2023-11-29 04:21:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2023-11-29 04:21:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2023-11-29 04:21:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2023-11-29 04:21:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2023-11-29 04:21:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2023-11-29 04:21:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2023-11-29 04:21:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2023-11-29 04:21:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2023-11-29 04:21:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2023-11-29 04:21:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2023-11-29 04:21:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#22 [2023-11-29 04:21:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2023-11-29 04:21:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2023-11-29 04:21:30,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2023-11-29 04:21:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2023-11-29 04:21:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2023-11-29 04:21:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2023-11-29 04:21:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2023-11-29 04:21:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2023-11-29 04:21:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2023-11-29 04:21:30,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2023-11-29 04:21:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2023-11-29 04:21:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2023-11-29 04:21:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2023-11-29 04:21:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2023-11-29 04:21:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2023-11-29 04:21:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2023-11-29 04:21:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2023-11-29 04:21:30,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2023-11-29 04:21:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2023-11-29 04:21:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2023-11-29 04:21:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2023-11-29 04:21:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2023-11-29 04:21:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#22 [2023-11-29 04:21:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-29 04:21:30,287 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-29 04:21:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 04:21:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-29 04:21:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:21:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_column [2023-11-29 04:21:30,287 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_column [2023-11-29 04:21:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:21:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 04:21:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 04:21:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 04:21:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 04:21:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 04:21:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 04:21:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 04:21:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-29 04:21:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-29 04:21:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-29 04:21:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-29 04:21:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-29 04:21:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-11-29 04:21:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-11-29 04:21:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-11-29 04:21:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-11-29 04:21:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-11-29 04:21:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-11-29 04:21:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2023-11-29 04:21:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2023-11-29 04:21:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2023-11-29 04:21:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2023-11-29 04:21:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 04:21:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 04:21:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-29 04:21:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-29 04:21:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-29 04:21:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-29 04:21:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-29 04:21:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-29 04:21:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-11-29 04:21:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-11-29 04:21:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-11-29 04:21:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-11-29 04:21:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-11-29 04:21:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-11-29 04:21:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2023-11-29 04:21:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2023-11-29 04:21:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2023-11-29 04:21:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17 [2023-11-29 04:21:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#18 [2023-11-29 04:21:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#19 [2023-11-29 04:21:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#20 [2023-11-29 04:21:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#21 [2023-11-29 04:21:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#22 [2023-11-29 04:21:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 04:21:30,294 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 04:21:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-29 04:21:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:21:30,294 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 04:21:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:21:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 04:21:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 04:21:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 04:21:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 04:21:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 04:21:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 04:21:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 04:21:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 04:21:30,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 04:21:30,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 04:21:30,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 04:21:30,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 04:21:30,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 04:21:30,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 04:21:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2023-11-29 04:21:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2023-11-29 04:21:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2023-11-29 04:21:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2023-11-29 04:21:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2023-11-29 04:21:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2023-11-29 04:21:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2023-11-29 04:21:30,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2023-11-29 04:21:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2023-11-29 04:21:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2023-11-29 04:21:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2023-11-29 04:21:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#11 [2023-11-29 04:21:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#12 [2023-11-29 04:21:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#13 [2023-11-29 04:21:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#14 [2023-11-29 04:21:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#15 [2023-11-29 04:21:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#16 [2023-11-29 04:21:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#17 [2023-11-29 04:21:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#18 [2023-11-29 04:21:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#19 [2023-11-29 04:21:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#20 [2023-11-29 04:21:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#21 [2023-11-29 04:21:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#22 [2023-11-29 04:21:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2023-11-29 04:21:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2023-11-29 04:21:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2023-11-29 04:21:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2023-11-29 04:21:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2023-11-29 04:21:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2023-11-29 04:21:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2023-11-29 04:21:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2023-11-29 04:21:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2023-11-29 04:21:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#11 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#12 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#13 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#14 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#15 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#16 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#17 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#18 [2023-11-29 04:21:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#19 [2023-11-29 04:21:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#20 [2023-11-29 04:21:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#21 [2023-11-29 04:21:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#22 [2023-11-29 04:21:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2023-11-29 04:21:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2023-11-29 04:21:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2023-11-29 04:21:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2023-11-29 04:21:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2023-11-29 04:21:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2023-11-29 04:21:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2023-11-29 04:21:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2023-11-29 04:21:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2023-11-29 04:21:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2023-11-29 04:21:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2023-11-29 04:21:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#11 [2023-11-29 04:21:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#12 [2023-11-29 04:21:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#13 [2023-11-29 04:21:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#14 [2023-11-29 04:21:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#15 [2023-11-29 04:21:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#16 [2023-11-29 04:21:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#17 [2023-11-29 04:21:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#18 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#19 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#20 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#21 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#22 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2023-11-29 04:21:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#11 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#12 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#13 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#14 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#15 [2023-11-29 04:21:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#16 [2023-11-29 04:21:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#17 [2023-11-29 04:21:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#18 [2023-11-29 04:21:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#19 [2023-11-29 04:21:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#20 [2023-11-29 04:21:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#21 [2023-11-29 04:21:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#22 [2023-11-29 04:21:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:21:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:21:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 04:21:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-11-29 04:21:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#19 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#20 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#21 [2023-11-29 04:21:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#22 [2023-11-29 04:21:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-29 04:21:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-29 04:21:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-29 04:21:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-29 04:21:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-29 04:21:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-29 04:21:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-29 04:21:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-29 04:21:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-29 04:21:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-29 04:21:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-29 04:21:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-29 04:21:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-29 04:21:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-29 04:21:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-29 04:21:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-29 04:21:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-29 04:21:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-29 04:21:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-29 04:21:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-29 04:21:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-29 04:21:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2023-11-29 04:21:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2023-11-29 04:21:30,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-29 04:21:30,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-29 04:21:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-29 04:21:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-29 04:21:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-29 04:21:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-29 04:21:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-29 04:21:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-29 04:21:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-29 04:21:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-29 04:21:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-29 04:21:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-29 04:21:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-29 04:21:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-29 04:21:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-29 04:21:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-29 04:21:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-29 04:21:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-29 04:21:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-29 04:21:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-29 04:21:30,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-29 04:21:30,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2023-11-29 04:21:30,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2023-11-29 04:21:30,319 INFO L130 BoogieDeclarations]: Found specification of procedure write2stdout [2023-11-29 04:21:30,319 INFO L138 BoogieDeclarations]: Found implementation of procedure write2stdout [2023-11-29 04:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 04:21:30,320 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 04:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 04:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 04:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 04:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 04:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 04:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 04:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 04:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-11-29 04:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 04:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 04:21:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 04:21:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 04:21:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2023-11-29 04:21:30,326 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 04:21:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 04:21:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 04:21:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-29 04:21:30,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 04:21:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 04:21:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 04:21:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 04:21:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 04:21:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 04:21:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 04:21:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 04:21:30,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 04:21:30,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 04:21:30,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 04:21:30,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 04:21:30,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 04:21:30,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 04:21:30,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 04:21:30,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 04:21:30,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 04:21:30,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 04:21:30,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 04:21:30,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 04:21:30,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 04:21:30,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 04:21:30,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-29 04:21:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:21:30,332 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:21:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:21:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 04:21:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 04:21:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 04:21:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 04:21:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 04:21:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 04:21:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 04:21:30,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 04:21:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 04:21:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 04:21:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 04:21:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 04:21:30,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 04:21:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 04:21:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 04:21:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 04:21:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 04:21:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 04:21:30,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 04:21:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 04:21:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 04:21:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 04:21:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 04:21:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-29 04:21:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2023-11-29 04:21:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2023-11-29 04:21:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2023-11-29 04:21:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2023-11-29 04:21:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2023-11-29 04:21:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2023-11-29 04:21:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2023-11-29 04:21:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2023-11-29 04:21:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2023-11-29 04:21:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2023-11-29 04:21:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2023-11-29 04:21:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2023-11-29 04:21:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2023-11-29 04:21:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2023-11-29 04:21:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#14 [2023-11-29 04:21:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#15 [2023-11-29 04:21:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#16 [2023-11-29 04:21:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#17 [2023-11-29 04:21:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#18 [2023-11-29 04:21:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#19 [2023-11-29 04:21:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#20 [2023-11-29 04:21:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#21 [2023-11-29 04:21:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#22 [2023-11-29 04:21:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 04:21:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 04:21:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-29 04:21:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-29 04:21:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-29 04:21:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-29 04:21:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-29 04:21:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-29 04:21:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-11-29 04:21:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-11-29 04:21:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-11-29 04:21:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-11-29 04:21:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-11-29 04:21:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-11-29 04:21:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-11-29 04:21:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-11-29 04:21:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-11-29 04:21:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2023-11-29 04:21:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2023-11-29 04:21:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#19 [2023-11-29 04:21:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#20 [2023-11-29 04:21:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#21 [2023-11-29 04:21:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#22 [2023-11-29 04:21:30,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 04:21:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 04:21:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 04:21:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 04:21:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 04:21:30,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 04:21:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 04:21:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 04:21:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-29 04:21:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-29 04:21:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-29 04:21:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-29 04:21:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-11-29 04:21:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-11-29 04:21:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-11-29 04:21:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-11-29 04:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-11-29 04:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-11-29 04:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-11-29 04:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2023-11-29 04:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2023-11-29 04:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2023-11-29 04:21:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2023-11-29 04:21:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 04:21:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 04:21:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 04:21:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 04:21:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 04:21:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 04:21:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 04:21:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 04:21:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 04:21:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 04:21:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 04:21:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 04:21:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 04:21:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 04:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 04:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 04:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 04:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 04:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 04:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 04:21:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 04:21:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 04:21:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 04:21:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2023-11-29 04:21:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2023-11-29 04:21:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2023-11-29 04:21:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2023-11-29 04:21:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2023-11-29 04:21:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2023-11-29 04:21:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2023-11-29 04:21:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2023-11-29 04:21:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2023-11-29 04:21:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2023-11-29 04:21:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2023-11-29 04:21:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2023-11-29 04:21:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2023-11-29 04:21:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#13 [2023-11-29 04:21:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#14 [2023-11-29 04:21:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#15 [2023-11-29 04:21:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#16 [2023-11-29 04:21:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#17 [2023-11-29 04:21:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#18 [2023-11-29 04:21:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#19 [2023-11-29 04:21:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#20 [2023-11-29 04:21:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#21 [2023-11-29 04:21:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#22 [2023-11-29 04:21:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2023-11-29 04:21:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2023-11-29 04:21:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2023-11-29 04:21:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2023-11-29 04:21:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2023-11-29 04:21:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2023-11-29 04:21:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2023-11-29 04:21:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2023-11-29 04:21:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2023-11-29 04:21:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2023-11-29 04:21:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2023-11-29 04:21:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2023-11-29 04:21:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2023-11-29 04:21:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#13 [2023-11-29 04:21:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#14 [2023-11-29 04:21:30,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#15 [2023-11-29 04:21:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#16 [2023-11-29 04:21:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#17 [2023-11-29 04:21:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#18 [2023-11-29 04:21:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#19 [2023-11-29 04:21:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#20 [2023-11-29 04:21:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#21 [2023-11-29 04:21:30,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#22 [2023-11-29 04:21:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-29 04:21:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure xatou_range [2023-11-29 04:21:30,382 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou_range [2023-11-29 04:21:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2023-11-29 04:21:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2023-11-29 04:21:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2023-11-29 04:21:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2023-11-29 04:21:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2023-11-29 04:21:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2023-11-29 04:21:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2023-11-29 04:21:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2023-11-29 04:21:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2023-11-29 04:21:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2023-11-29 04:21:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2023-11-29 04:21:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2023-11-29 04:21:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2023-11-29 04:21:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#13 [2023-11-29 04:21:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#14 [2023-11-29 04:21:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#15 [2023-11-29 04:21:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#16 [2023-11-29 04:21:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#17 [2023-11-29 04:21:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#18 [2023-11-29 04:21:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#19 [2023-11-29 04:21:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#20 [2023-11-29 04:21:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#21 [2023-11-29 04:21:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#22 [2023-11-29 04:21:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2023-11-29 04:21:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2023-11-29 04:21:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2023-11-29 04:21:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2023-11-29 04:21:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2023-11-29 04:21:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2023-11-29 04:21:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2023-11-29 04:21:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2023-11-29 04:21:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2023-11-29 04:21:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2023-11-29 04:21:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2023-11-29 04:21:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2023-11-29 04:21:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2023-11-29 04:21:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#13 [2023-11-29 04:21:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#14 [2023-11-29 04:21:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#15 [2023-11-29 04:21:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#16 [2023-11-29 04:21:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#17 [2023-11-29 04:21:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#18 [2023-11-29 04:21:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#19 [2023-11-29 04:21:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#20 [2023-11-29 04:21:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#21 [2023-11-29 04:21:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#22 [2023-11-29 04:21:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2023-11-29 04:21:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2023-11-29 04:21:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2023-11-29 04:21:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2023-11-29 04:21:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2023-11-29 04:21:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2023-11-29 04:21:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2023-11-29 04:21:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2023-11-29 04:21:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2023-11-29 04:21:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2023-11-29 04:21:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2023-11-29 04:21:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2023-11-29 04:21:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2023-11-29 04:21:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#13 [2023-11-29 04:21:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#14 [2023-11-29 04:21:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#15 [2023-11-29 04:21:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#16 [2023-11-29 04:21:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#17 [2023-11-29 04:21:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#18 [2023-11-29 04:21:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#19 [2023-11-29 04:21:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#20 [2023-11-29 04:21:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#21 [2023-11-29 04:21:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#22 [2023-11-29 04:21:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2023-11-29 04:21:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2023-11-29 04:21:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2023-11-29 04:21:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2023-11-29 04:21:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2023-11-29 04:21:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2023-11-29 04:21:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2023-11-29 04:21:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2023-11-29 04:21:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2023-11-29 04:21:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2023-11-29 04:21:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2023-11-29 04:21:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2023-11-29 04:21:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2023-11-29 04:21:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#13 [2023-11-29 04:21:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#14 [2023-11-29 04:21:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#15 [2023-11-29 04:21:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#16 [2023-11-29 04:21:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#17 [2023-11-29 04:21:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#18 [2023-11-29 04:21:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#19 [2023-11-29 04:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#20 [2023-11-29 04:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#21 [2023-11-29 04:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#22 [2023-11-29 04:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 04:21:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 04:21:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 04:21:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-29 04:21:31,372 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:21:31,377 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:21:31,381 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:21:35,612 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:21:39,742 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:21:43,859 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:21:47,989 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:21:52,115 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:21:56,231 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:00,385 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:04,499 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:08,617 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:12,713 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:16,825 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:20,938 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:25,660 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:29,793 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:33,905 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:38,282 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:42,380 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:46,490 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:50,595 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:54,697 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:22:58,790 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:02,888 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:08,924 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,074 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,106 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,143 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,198 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,231 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,265 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,302 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,334 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,369 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,400 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,434 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:10,475 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:18,912 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:18,951 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:18,983 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:19,016 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:19,048 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:19,083 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:19,117 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:19,159 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:19,193 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:19,225 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-29 04:23:19,292 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:23:19,460 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:23:19,461 INFO L309 CfgBuilder]: Removed 56 assume(true) statements. [2023-11-29 04:23:19,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:23:19 BoogieIcfgContainer [2023-11-29 04:23:19,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:23:19,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:23:19,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:23:19,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:23:19,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:21:27" (1/3) ... [2023-11-29 04:23:19,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28679f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:23:19, skipping insertion in model container [2023-11-29 04:23:19,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:29" (2/3) ... [2023-11-29 04:23:19,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28679f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:23:19, skipping insertion in model container [2023-11-29 04:23:19,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:23:19" (3/3) ... [2023-11-29 04:23:19,472 INFO L112 eAbstractionObserver]: Analyzing ICFG fold-1.i [2023-11-29 04:23:19,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:23:19,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 612 error locations. [2023-11-29 04:23:19,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:23:19,598 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;@470b050c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:23:19,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 612 error locations. [2023-11-29 04:23:19,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 1118 states, 587 states have (on average 2.1822827938671208) internal successors, (1281), 1064 states have internal predecessors, (1281), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 04:23:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-29 04:23:19,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:19,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-29 04:23:19,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:23:19,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:19,620 INFO L85 PathProgramCache]: Analyzing trace with hash 116609, now seen corresponding path program 1 times [2023-11-29 04:23:19,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:23:19,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063700178] [2023-11-29 04:23:19,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:19,636 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 04:23:19,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:23:19,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:19,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:20,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:23:20,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:20,382 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 04:23:20,409 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 04:23:20,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:23:20,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:23:20,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063700178] [2023-11-29 04:23:20,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063700178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:20,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:20,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 04:23:20,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381381235] [2023-11-29 04:23:20,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:20,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:23:20,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:23:20,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:23:20,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:23:20,446 INFO L87 Difference]: Start difference. First operand has 1118 states, 587 states have (on average 2.1822827938671208) internal successors, (1281), 1064 states have internal predecessors, (1281), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) 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 04:23:25,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:25,644 INFO L93 Difference]: Finished difference Result 1242 states and 1460 transitions. [2023-11-29 04:23:25,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:23:25,647 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 04:23:25,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:25,666 INFO L225 Difference]: With dead ends: 1242 [2023-11-29 04:23:25,666 INFO L226 Difference]: Without dead ends: 1241 [2023-11-29 04:23:25,668 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 04:23:25,671 INFO L413 NwaCegarLoop]: 999 mSDtfsCounter, 432 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:25,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1599 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 04:23:25,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2023-11-29 04:23:25,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1086. [2023-11-29 04:23:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 573 states have (on average 2.1047120418848166) internal successors, (1206), 1039 states have internal predecessors, (1206), 36 states have call successors, (36), 17 states have call predecessors, (36), 16 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 04:23:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1273 transitions. [2023-11-29 04:23:25,772 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1273 transitions. Word has length 2 [2023-11-29 04:23:25,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:25,772 INFO L495 AbstractCegarLoop]: Abstraction has 1086 states and 1273 transitions. [2023-11-29 04:23:25,772 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 04:23:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1273 transitions. [2023-11-29 04:23:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-29 04:23:25,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:25,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-29 04:23:25,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:25,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:25,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:23:25,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:25,975 INFO L85 PathProgramCache]: Analyzing trace with hash 116610, now seen corresponding path program 1 times [2023-11-29 04:23:25,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:23:25,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727887695] [2023-11-29 04:23:25,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:25,976 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 04:23:25,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:23:25,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:25,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:26,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:23:26,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:26,517 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 04:23:26,551 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 04:23:26,552 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:23:26,552 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:23:26,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727887695] [2023-11-29 04:23:26,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727887695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:26,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:26,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 04:23:26,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470407300] [2023-11-29 04:23:26,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:26,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:23:26,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:23:26,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:23:26,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:23:26,555 INFO L87 Difference]: Start difference. First operand 1086 states and 1273 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 04:23:34,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:34,230 INFO L93 Difference]: Finished difference Result 1085 states and 1272 transitions. [2023-11-29 04:23:34,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:23:34,234 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 04:23:34,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:34,240 INFO L225 Difference]: With dead ends: 1085 [2023-11-29 04:23:34,240 INFO L226 Difference]: Without dead ends: 1085 [2023-11-29 04:23:34,240 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 04:23:34,242 INFO L413 NwaCegarLoop]: 1151 mSDtfsCounter, 9 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:34,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1909 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-29 04:23:34,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2023-11-29 04:23:34,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 1085. [2023-11-29 04:23:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 573 states have (on average 2.1029668411867366) internal successors, (1205), 1038 states have internal predecessors, (1205), 36 states have call successors, (36), 17 states have call predecessors, (36), 16 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 04:23:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1272 transitions. [2023-11-29 04:23:34,274 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1272 transitions. Word has length 2 [2023-11-29 04:23:34,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:34,274 INFO L495 AbstractCegarLoop]: Abstraction has 1085 states and 1272 transitions. [2023-11-29 04:23:34,274 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 04:23:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1272 transitions. [2023-11-29 04:23:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 04:23:34,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:34,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 04:23:34,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:34,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:34,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:23:34,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:34,476 INFO L85 PathProgramCache]: Analyzing trace with hash 114211471, now seen corresponding path program 1 times [2023-11-29 04:23:34,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:23:34,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356624028] [2023-11-29 04:23:34,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:34,478 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:23:34,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:23:34,479 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:34,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:34,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:23:34,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:35,006 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 04:23:35,115 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 04:23:35,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:23:35,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:23:35,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356624028] [2023-11-29 04:23:35,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356624028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:35,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:35,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:23:35,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467206260] [2023-11-29 04:23:35,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:35,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:23:35,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:23:35,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:23:35,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:23:35,118 INFO L87 Difference]: Start difference. First operand 1085 states and 1272 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 04:23:42,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:42,406 INFO L93 Difference]: Finished difference Result 1087 states and 1274 transitions. [2023-11-29 04:23:42,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:23:42,410 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 04:23:42,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:42,417 INFO L225 Difference]: With dead ends: 1087 [2023-11-29 04:23:42,417 INFO L226 Difference]: Without dead ends: 1087 [2023-11-29 04:23:42,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:23:42,419 INFO L413 NwaCegarLoop]: 1150 mSDtfsCounter, 9 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:42,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1909 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-29 04:23:42,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2023-11-29 04:23:42,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1087. [2023-11-29 04:23:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 575 states have (on average 2.0991304347826087) internal successors, (1207), 1040 states have internal predecessors, (1207), 36 states have call successors, (36), 17 states have call predecessors, (36), 16 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 04:23:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1274 transitions. [2023-11-29 04:23:42,449 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1274 transitions. Word has length 4 [2023-11-29 04:23:42,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:42,449 INFO L495 AbstractCegarLoop]: Abstraction has 1087 states and 1274 transitions. [2023-11-29 04:23:42,450 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 04:23:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1274 transitions. [2023-11-29 04:23:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 04:23:42,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:42,450 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 04:23:42,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 04:23:42,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:42,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:23:42,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:42,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1909785453, now seen corresponding path program 1 times [2023-11-29 04:23:42,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:23:42,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986954328] [2023-11-29 04:23:42,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:42,653 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 04:23:42,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:23:42,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:42,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:23:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:23:43,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:43,200 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 04:23:43,410 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 04:23:43,410 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:23:44,333 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 04:23:44,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:23:44,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986954328] [2023-11-29 04:23:44,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986954328] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:23:44,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:23:44,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2023-11-29 04:23:44,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003433289] [2023-11-29 04:23:44,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:23:44,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:23:44,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:23:44,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:23:44,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:23:44,335 INFO L87 Difference]: Start difference. First operand 1087 states and 1274 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 04:24:21,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:21,030 INFO L93 Difference]: Finished difference Result 1089 states and 1276 transitions. [2023-11-29 04:24:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:24:21,035 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 04:24:21,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:21,042 INFO L225 Difference]: With dead ends: 1089 [2023-11-29 04:24:21,043 INFO L226 Difference]: Without dead ends: 1089 [2023-11-29 04:24:21,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:24:21,044 INFO L413 NwaCegarLoop]: 1149 mSDtfsCounter, 19 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 2166 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 4185 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:21,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 4185 Invalid, 2171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2166 Invalid, 0 Unknown, 0 Unchecked, 36.4s Time] [2023-11-29 04:24:21,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-11-29 04:24:21,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2023-11-29 04:24:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 578 states have (on average 2.0916955017301038) internal successors, (1209), 1042 states have internal predecessors, (1209), 36 states have call successors, (36), 17 states have call predecessors, (36), 16 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 04:24:21,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1276 transitions. [2023-11-29 04:24:21,081 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1276 transitions. Word has length 6 [2023-11-29 04:24:21,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:21,081 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1276 transitions. [2023-11-29 04:24:21,081 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 04:24:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1276 transitions. [2023-11-29 04:24:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 04:24:21,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:21,082 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2023-11-29 04:24:21,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:21,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:21,292 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:24:21,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:21,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1725217516, now seen corresponding path program 1 times [2023-11-29 04:24:21,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:24:21,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170308306] [2023-11-29 04:24:21,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:21,293 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 04:24:21,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:24:21,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:21,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:21,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:24:21,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:21,930 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 04:24:21,931 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:24:22,121 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 04:24:22,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:24:22,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170308306] [2023-11-29 04:24:22,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170308306] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:24:22,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:24:22,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 04:24:22,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645952120] [2023-11-29 04:24:22,122 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:24:22,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:24:22,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:24:22,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:24:22,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:24:22,123 INFO L87 Difference]: Start difference. First operand 1089 states and 1276 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 04:24:28,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:28,091 INFO L93 Difference]: Finished difference Result 1099 states and 1286 transitions. [2023-11-29 04:24:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:24:28,095 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 04:24:28,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:28,102 INFO L225 Difference]: With dead ends: 1099 [2023-11-29 04:24:28,102 INFO L226 Difference]: Without dead ends: 1099 [2023-11-29 04:24:28,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:24:28,103 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 6 mSDsluCounter, 6906 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8059 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:28,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8059 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-29 04:24:28,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2023-11-29 04:24:28,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1099. [2023-11-29 04:24:28,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 588 states have (on average 2.07312925170068) internal successors, (1219), 1052 states have internal predecessors, (1219), 36 states have call successors, (36), 17 states have call predecessors, (36), 16 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 04:24:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1286 transitions. [2023-11-29 04:24:28,127 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1286 transitions. Word has length 11 [2023-11-29 04:24:28,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:28,127 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 1286 transitions. [2023-11-29 04:24:28,127 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 04:24:28,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1286 transitions. [2023-11-29 04:24:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 04:24:28,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:28,128 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1] [2023-11-29 04:24:28,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:28,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:28,329 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:24:28,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:28,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1399101824, now seen corresponding path program 2 times [2023-11-29 04:24:28,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:24:28,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519510859] [2023-11-29 04:24:28,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 04:24:28,330 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 04:24:28,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:24:28,331 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:28,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:28,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 04:24:28,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 04:24:28,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:24:28,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:29,004 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 04:24:29,005 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 04:24:29,594 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 04:24:29,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:24:29,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:24:29,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519510859] [2023-11-29 04:24:29,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519510859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:29,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:29,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 04:24:29,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102205306] [2023-11-29 04:24:29,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:29,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:29,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:24:29,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:29,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:29,597 INFO L87 Difference]: Start difference. First operand 1099 states and 1286 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 04:24:40,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:40,630 INFO L93 Difference]: Finished difference Result 1456 states and 1704 transitions. [2023-11-29 04:24:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:40,630 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 04:24:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:40,640 INFO L225 Difference]: With dead ends: 1456 [2023-11-29 04:24:40,640 INFO L226 Difference]: Without dead ends: 1456 [2023-11-29 04:24:40,641 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 04:24:40,642 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 660 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:40,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1576 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2023-11-29 04:24:40,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2023-11-29 04:24:40,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1282. [2023-11-29 04:24:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 757 states have (on average 2.1017173051519156) internal successors, (1591), 1219 states have internal predecessors, (1591), 47 states have call successors, (47), 24 states have call predecessors, (47), 21 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:24:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1680 transitions. [2023-11-29 04:24:40,678 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1680 transitions. Word has length 21 [2023-11-29 04:24:40,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:40,678 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1680 transitions. [2023-11-29 04:24:40,678 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 04:24:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1680 transitions. [2023-11-29 04:24:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 04:24:40,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:40,679 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1] [2023-11-29 04:24:40,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:40,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:40,880 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:24:40,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:40,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1399101823, now seen corresponding path program 1 times [2023-11-29 04:24:40,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:24:40,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275647114] [2023-11-29 04:24:40,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:40,882 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 04:24:40,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:24:40,883 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:40,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:41,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 04:24:41,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:41,904 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 04:24:41,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:24:42,685 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 04:24:42,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:24:42,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275647114] [2023-11-29 04:24:42,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [275647114] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:24:42,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:24:42,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-29 04:24:42,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557350377] [2023-11-29 04:24:42,686 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:24:42,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:24:42,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:24:42,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:24:42,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:24:42,688 INFO L87 Difference]: Start difference. First operand 1282 states and 1680 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 04:24:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:51,453 INFO L93 Difference]: Finished difference Result 1286 states and 1684 transitions. [2023-11-29 04:24:51,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:24:51,458 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 04:24:51,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:51,464 INFO L225 Difference]: With dead ends: 1286 [2023-11-29 04:24:51,464 INFO L226 Difference]: Without dead ends: 1286 [2023-11-29 04:24:51,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:24:51,465 INFO L413 NwaCegarLoop]: 1152 mSDtfsCounter, 3 mSDsluCounter, 10350 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11502 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:51,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11502 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 04:24:51,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2023-11-29 04:24:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1286. [2023-11-29 04:24:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 761 states have (on average 2.0959264126149804) internal successors, (1595), 1223 states have internal predecessors, (1595), 47 states have call successors, (47), 24 states have call predecessors, (47), 21 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:24:51,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1684 transitions. [2023-11-29 04:24:51,499 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1684 transitions. Word has length 21 [2023-11-29 04:24:51,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:51,499 INFO L495 AbstractCegarLoop]: Abstraction has 1286 states and 1684 transitions. [2023-11-29 04:24:51,500 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 04:24:51,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1684 transitions. [2023-11-29 04:24:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 04:24:51,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:51,501 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1] [2023-11-29 04:24:51,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:51,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:51,701 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:24:51,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:51,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1916978297, now seen corresponding path program 2 times [2023-11-29 04:24:51,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:24:51,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113499524] [2023-11-29 04:24:51,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 04:24:51,703 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 04:24:51,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:24:51,704 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:51,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:24:52,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 04:24:52,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 04:24:52,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:24:52,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:52,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:24:52,335 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 04:24:52,884 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 04:24:52,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:24:52,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:24:52,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113499524] [2023-11-29 04:24:52,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113499524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:52,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:52,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 04:24:52,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304261725] [2023-11-29 04:24:52,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:52,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:52,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:24:52,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:52,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:52,886 INFO L87 Difference]: Start difference. First operand 1286 states and 1684 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 04:25:00,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:25:00,415 INFO L93 Difference]: Finished difference Result 1289 states and 1686 transitions. [2023-11-29 04:25:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:00,419 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 04:25:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:25:00,426 INFO L225 Difference]: With dead ends: 1289 [2023-11-29 04:25:00,426 INFO L226 Difference]: Without dead ends: 1289 [2023-11-29 04:25:00,426 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 04:25:00,427 INFO L413 NwaCegarLoop]: 1151 mSDtfsCounter, 6 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:25:00,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1915 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-29 04:25:00,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2023-11-29 04:25:00,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2023-11-29 04:25:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 764 states have (on average 2.0903141361256545) internal successors, (1597), 1225 states have internal predecessors, (1597), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:25:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1686 transitions. [2023-11-29 04:25:00,463 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1686 transitions. Word has length 25 [2023-11-29 04:25:00,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:25:00,463 INFO L495 AbstractCegarLoop]: Abstraction has 1289 states and 1686 transitions. [2023-11-29 04:25:00,463 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 04:25:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1686 transitions. [2023-11-29 04:25:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 04:25:00,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:25:00,465 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:00,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:00,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:00,666 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:25:00,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:00,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1683408434, now seen corresponding path program 1 times [2023-11-29 04:25:00,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:25:00,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16102422] [2023-11-29 04:25:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:00,667 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 04:25:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:25:00,668 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:00,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:01,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:25:01,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:25:01,696 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 04:25:01,696 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 04:25:01,744 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 04:25:01,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:25:01,744 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:25:01,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16102422] [2023-11-29 04:25:01,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16102422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:01,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:01,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:25:01,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551310723] [2023-11-29 04:25:01,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:01,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:25:01,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:25:01,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:25:01,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:25:01,746 INFO L87 Difference]: Start difference. First operand 1289 states and 1686 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 04:25:12,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:25:12,286 INFO L93 Difference]: Finished difference Result 1362 states and 1687 transitions. [2023-11-29 04:25:12,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:12,286 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 04:25:12,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:25:12,293 INFO L225 Difference]: With dead ends: 1362 [2023-11-29 04:25:12,293 INFO L226 Difference]: Without dead ends: 1362 [2023-11-29 04:25:12,293 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 04:25:12,294 INFO L413 NwaCegarLoop]: 995 mSDtfsCounter, 417 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:25:12,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1600 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-11-29 04:25:12,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2023-11-29 04:25:12,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1284. [2023-11-29 04:25:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 764 states have (on average 2.0837696335078535) internal successors, (1592), 1220 states have internal predecessors, (1592), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:25:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1681 transitions. [2023-11-29 04:25:12,331 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1681 transitions. Word has length 32 [2023-11-29 04:25:12,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:25:12,331 INFO L495 AbstractCegarLoop]: Abstraction has 1284 states and 1681 transitions. [2023-11-29 04:25:12,331 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 04:25:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1681 transitions. [2023-11-29 04:25:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 04:25:12,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:25:12,333 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:12,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:12,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:12,534 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:25:12,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:12,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1683408433, now seen corresponding path program 1 times [2023-11-29 04:25:12,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:25:12,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59398904] [2023-11-29 04:25:12,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:12,536 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 04:25:12,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:25:12,537 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:12,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:13,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:25:13,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:25:13,755 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 04:25:13,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 21 [2023-11-29 04:25:13,942 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 04:25:13,942 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:25:13,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:25:13,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59398904] [2023-11-29 04:25:13,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59398904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:13,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:13,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:13,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690706569] [2023-11-29 04:25:13,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:13,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:13,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:25:13,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:13,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:13,945 INFO L87 Difference]: Start difference. First operand 1284 states and 1681 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 04:25:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:25:26,984 INFO L93 Difference]: Finished difference Result 1285 states and 1683 transitions. [2023-11-29 04:25:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:26,987 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 04:25:26,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:25:26,994 INFO L225 Difference]: With dead ends: 1285 [2023-11-29 04:25:26,994 INFO L226 Difference]: Without dead ends: 1285 [2023-11-29 04:25:26,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:25:26,994 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 820 mSDsluCounter, 3110 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 4245 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:25:26,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 4245 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2023-11-29 04:25:26,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2023-11-29 04:25:27,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1283. [2023-11-29 04:25:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1283 states, 764 states have (on average 2.082460732984293) internal successors, (1591), 1219 states have internal predecessors, (1591), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:25:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1680 transitions. [2023-11-29 04:25:27,030 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1680 transitions. Word has length 32 [2023-11-29 04:25:27,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:25:27,031 INFO L495 AbstractCegarLoop]: Abstraction has 1283 states and 1680 transitions. [2023-11-29 04:25:27,031 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 04:25:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1680 transitions. [2023-11-29 04:25:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-29 04:25:27,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:25:27,032 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:27,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:27,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:27,237 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:25:27,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:27,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1449302221, now seen corresponding path program 1 times [2023-11-29 04:25:27,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:25:27,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409159897] [2023-11-29 04:25:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:27,239 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 04:25:27,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:25:27,240 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:27,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:28,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:25:28,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:25:28,632 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 04:25:28,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 21 [2023-11-29 04:25:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:25:29,217 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-29 04:25:29,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2023-11-29 04:25:29,279 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:25:29,279 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 04:25:29,517 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 04:25:29,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:25:29,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:25:29,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409159897] [2023-11-29 04:25:29,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409159897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:29,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:29,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:25:29,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977600014] [2023-11-29 04:25:29,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:29,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:25:29,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:25:29,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:25:29,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:25:29,521 INFO L87 Difference]: Start difference. First operand 1283 states and 1680 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 04:25:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:25:59,309 INFO L93 Difference]: Finished difference Result 1301 states and 1700 transitions. [2023-11-29 04:25:59,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:25:59,310 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 04:25:59,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:25:59,316 INFO L225 Difference]: With dead ends: 1301 [2023-11-29 04:25:59,316 INFO L226 Difference]: Without dead ends: 1301 [2023-11-29 04:25:59,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:25:59,317 INFO L413 NwaCegarLoop]: 1127 mSDtfsCounter, 853 mSDsluCounter, 3875 mSDsCounter, 0 mSdLazyCounter, 1737 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 5002 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:25:59,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [872 Valid, 5002 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1737 Invalid, 0 Unknown, 0 Unchecked, 29.4s Time] [2023-11-29 04:25:59,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2023-11-29 04:25:59,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1292. [2023-11-29 04:25:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 773 states have (on average 2.0789133247089264) internal successors, (1607), 1228 states have internal predecessors, (1607), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:25:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1696 transitions. [2023-11-29 04:25:59,345 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1696 transitions. Word has length 34 [2023-11-29 04:25:59,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:25:59,346 INFO L495 AbstractCegarLoop]: Abstraction has 1292 states and 1696 transitions. [2023-11-29 04:25:59,346 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 04:25:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1696 transitions. [2023-11-29 04:25:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 04:25:59,347 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:25:59,347 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 04:25:59,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:59,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:59,548 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:25:59,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:59,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1212164458, now seen corresponding path program 1 times [2023-11-29 04:25:59,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:25:59,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326576336] [2023-11-29 04:25:59,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:59,549 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 04:25:59,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:25:59,550 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:25:59,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:26:00,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:26:00,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:26:00,698 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 04:26:00,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:26:00,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 04:26:00,776 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 04:26:00,776 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 04:26:00,822 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 04:26:00,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:26:00,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:26:00,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326576336] [2023-11-29 04:26:00,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326576336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:26:00,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:26:00,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:26:00,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725523635] [2023-11-29 04:26:00,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:26:00,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:26:00,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:26:00,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:26:00,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:26:00,825 INFO L87 Difference]: Start difference. First operand 1292 states and 1696 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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 04:26:05,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:26:05,683 INFO L93 Difference]: Finished difference Result 1369 states and 1700 transitions. [2023-11-29 04:26:05,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:26:05,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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 04:26:05,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:26:05,690 INFO L225 Difference]: With dead ends: 1369 [2023-11-29 04:26:05,690 INFO L226 Difference]: Without dead ends: 1369 [2023-11-29 04:26:05,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 1 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 04:26:05,691 INFO L413 NwaCegarLoop]: 997 mSDtfsCounter, 417 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:26:05,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1597 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 04:26:05,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2023-11-29 04:26:05,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1291. [2023-11-29 04:26:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 773 states have (on average 2.0763260025873223) internal successors, (1605), 1227 states have internal predecessors, (1605), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:26:05,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1694 transitions. [2023-11-29 04:26:05,713 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1694 transitions. Word has length 36 [2023-11-29 04:26:05,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:26:05,714 INFO L495 AbstractCegarLoop]: Abstraction has 1291 states and 1694 transitions. [2023-11-29 04:26:05,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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 04:26:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1694 transitions. [2023-11-29 04:26:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 04:26:05,716 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:26:05,716 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 04:26:05,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:05,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:05,917 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:26:05,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:26:05,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1212164459, now seen corresponding path program 1 times [2023-11-29 04:26:05,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:26:05,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503992789] [2023-11-29 04:26:05,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:26:05,919 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 04:26:05,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:26:05,920 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:05,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:26:07,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:26:07,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:26:07,209 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 04:26:07,242 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 04:26:07,263 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 04:26:07,302 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 04:26:07,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:26:07,680 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 04:26:07,709 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:26:07,710 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 04:26:07,977 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 04:26:07,977 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:26:07,977 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:26:07,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503992789] [2023-11-29 04:26:07,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503992789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:26:07,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:26:07,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:26:07,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638481198] [2023-11-29 04:26:07,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:26:07,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:26:07,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:26:07,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:26:07,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:26:07,980 INFO L87 Difference]: Start difference. First operand 1291 states and 1694 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 04:26:40,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:26:40,106 INFO L93 Difference]: Finished difference Result 1374 states and 1700 transitions. [2023-11-29 04:26:40,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:26:40,107 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 04:26:40,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:26:40,113 INFO L225 Difference]: With dead ends: 1374 [2023-11-29 04:26:40,114 INFO L226 Difference]: Without dead ends: 1374 [2023-11-29 04:26:40,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:26:40,115 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 1467 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 2343 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 4147 SdHoareTripleChecker+Invalid, 2358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:26:40,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 4147 Invalid, 2358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2343 Invalid, 0 Unknown, 0 Unchecked, 31.8s Time] [2023-11-29 04:26:40,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2023-11-29 04:26:40,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1291. [2023-11-29 04:26:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 773 states have (on average 2.07503234152652) internal successors, (1604), 1227 states have internal predecessors, (1604), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:26:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1693 transitions. [2023-11-29 04:26:40,145 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1693 transitions. Word has length 36 [2023-11-29 04:26:40,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:26:40,145 INFO L495 AbstractCegarLoop]: Abstraction has 1291 states and 1693 transitions. [2023-11-29 04:26:40,146 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 04:26:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1693 transitions. [2023-11-29 04:26:40,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 04:26:40,147 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:26:40,147 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 04:26:40,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:40,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:40,348 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:26:40,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:26:40,348 INFO L85 PathProgramCache]: Analyzing trace with hash 956039205, now seen corresponding path program 1 times [2023-11-29 04:26:40,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:26:40,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425858112] [2023-11-29 04:26:40,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:26:40,349 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 04:26:40,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:26:40,350 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:40,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:26:41,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:26:41,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:26:41,058 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 04:26:41,092 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 04:26:41,169 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 04:26:41,205 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 04:26:41,205 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:26:41,206 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:26:41,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425858112] [2023-11-29 04:26:41,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425858112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:26:41,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:26:41,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:26:41,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207159286] [2023-11-29 04:26:41,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:26:41,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:26:41,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:26:41,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:26:41,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:26:41,208 INFO L87 Difference]: Start difference. First operand 1291 states and 1693 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 04:26:51,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:26:51,523 INFO L93 Difference]: Finished difference Result 1290 states and 1691 transitions. [2023-11-29 04:26:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:26:51,524 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 04:26:51,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:26:51,531 INFO L225 Difference]: With dead ends: 1290 [2023-11-29 04:26:51,531 INFO L226 Difference]: Without dead ends: 1290 [2023-11-29 04:26:51,532 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 04:26:51,532 INFO L413 NwaCegarLoop]: 1136 mSDtfsCounter, 15 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 1672 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3352 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:26:51,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3352 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1672 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2023-11-29 04:26:51,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2023-11-29 04:26:51,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1290. [2023-11-29 04:26:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 773 states have (on average 2.072445019404916) internal successors, (1602), 1226 states have internal predecessors, (1602), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:26:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1691 transitions. [2023-11-29 04:26:51,552 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1691 transitions. Word has length 38 [2023-11-29 04:26:51,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:26:51,553 INFO L495 AbstractCegarLoop]: Abstraction has 1290 states and 1691 transitions. [2023-11-29 04:26:51,553 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 04:26:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1691 transitions. [2023-11-29 04:26:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 04:26:51,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:26:51,554 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 04:26:51,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:51,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:51,754 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:26:51,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:26:51,755 INFO L85 PathProgramCache]: Analyzing trace with hash 956039206, now seen corresponding path program 1 times [2023-11-29 04:26:51,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:26:51,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769609717] [2023-11-29 04:26:51,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:26:51,756 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 04:26:51,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:26:51,757 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:51,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:26:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:26:52,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 04:26:52,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:26:52,489 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 04:26:52,534 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 04:26:52,571 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 04:26:52,681 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 04:26:52,741 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 04:26:52,741 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:26:52,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:26:52,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769609717] [2023-11-29 04:26:52,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769609717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:26:52,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:26:52,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:26:52,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608175607] [2023-11-29 04:26:52,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:26:52,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:26:52,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:26:52,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:26:52,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:26:52,743 INFO L87 Difference]: Start difference. First operand 1290 states and 1691 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 04:27:06,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:27:06,008 INFO L93 Difference]: Finished difference Result 1289 states and 1689 transitions. [2023-11-29 04:27:06,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:27:06,012 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 04:27:06,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:27:06,018 INFO L225 Difference]: With dead ends: 1289 [2023-11-29 04:27:06,018 INFO L226 Difference]: Without dead ends: 1289 [2023-11-29 04:27:06,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:27:06,019 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 13 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3411 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:27:06,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3411 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2023-11-29 04:27:06,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2023-11-29 04:27:06,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2023-11-29 04:27:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 773 states have (on average 2.069857697283312) internal successors, (1600), 1225 states have internal predecessors, (1600), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:27:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1689 transitions. [2023-11-29 04:27:06,036 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1689 transitions. Word has length 38 [2023-11-29 04:27:06,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:27:06,036 INFO L495 AbstractCegarLoop]: Abstraction has 1289 states and 1689 transitions. [2023-11-29 04:27:06,036 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 04:27:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1689 transitions. [2023-11-29 04:27:06,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 04:27:06,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:27:06,037 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 04:27:06,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:06,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:06,237 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:27:06,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:27:06,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1501820582, now seen corresponding path program 1 times [2023-11-29 04:27:06,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:27:06,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565167953] [2023-11-29 04:27:06,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:27:06,238 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 04:27:06,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:27:06,239 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:06,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:27:06,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:27:06,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:27:06,879 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 04:27:06,906 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 04:27:07,004 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 04:27:07,038 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 04:27:07,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:27:07,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:27:07,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565167953] [2023-11-29 04:27:07,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565167953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:27:07,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:27:07,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:27:07,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848919151] [2023-11-29 04:27:07,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:27:07,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:27:07,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:27:07,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:27:07,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:27:07,040 INFO L87 Difference]: Start difference. First operand 1289 states and 1689 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 04:27:16,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:27:16,547 INFO L93 Difference]: Finished difference Result 1288 states and 1687 transitions. [2023-11-29 04:27:16,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:27:16,547 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 04:27:16,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:27:16,552 INFO L225 Difference]: With dead ends: 1288 [2023-11-29 04:27:16,552 INFO L226 Difference]: Without dead ends: 1288 [2023-11-29 04:27:16,552 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 04:27:16,553 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 10 mSDsluCounter, 2214 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:27:16,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3349 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2023-11-29 04:27:16,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2023-11-29 04:27:16,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1288. [2023-11-29 04:27:16,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 773 states have (on average 2.0672703751617076) internal successors, (1598), 1224 states have internal predecessors, (1598), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:27:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1687 transitions. [2023-11-29 04:27:16,571 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1687 transitions. Word has length 41 [2023-11-29 04:27:16,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:27:16,572 INFO L495 AbstractCegarLoop]: Abstraction has 1288 states and 1687 transitions. [2023-11-29 04:27:16,572 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 04:27:16,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1687 transitions. [2023-11-29 04:27:16,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 04:27:16,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:27:16,572 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 04:27:16,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:16,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:16,773 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:27:16,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:27:16,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1501820583, now seen corresponding path program 1 times [2023-11-29 04:27:16,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:27:16,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399275995] [2023-11-29 04:27:16,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:27:16,774 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 04:27:16,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:27:16,775 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:16,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:27:17,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 04:27:17,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:27:17,498 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 04:27:17,542 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 04:27:17,563 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 04:27:17,790 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 04:27:17,853 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 04:27:17,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:27:17,853 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:27:17,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399275995] [2023-11-29 04:27:17,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399275995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:27:17,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:27:17,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:27:17,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087288867] [2023-11-29 04:27:17,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:27:17,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:27:17,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:27:17,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:27:17,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:27:17,855 INFO L87 Difference]: Start difference. First operand 1288 states and 1687 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 04:27:30,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:27:30,439 INFO L93 Difference]: Finished difference Result 1295 states and 1694 transitions. [2023-11-29 04:27:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:27:30,443 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 04:27:30,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:27:30,448 INFO L225 Difference]: With dead ends: 1295 [2023-11-29 04:27:30,448 INFO L226 Difference]: Without dead ends: 1295 [2023-11-29 04:27:30,449 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 04:27:30,449 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 15 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:27:30,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3404 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2023-11-29 04:27:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2023-11-29 04:27:30,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1294. [2023-11-29 04:27:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 779 states have (on average 2.060333761232349) internal successors, (1605), 1230 states have internal predecessors, (1605), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:27:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1694 transitions. [2023-11-29 04:27:30,465 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1694 transitions. Word has length 41 [2023-11-29 04:27:30,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:27:30,466 INFO L495 AbstractCegarLoop]: Abstraction has 1294 states and 1694 transitions. [2023-11-29 04:27:30,466 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 04:27:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1694 transitions. [2023-11-29 04:27:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 04:27:30,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:27:30,466 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 04:27:30,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:30,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:30,668 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:27:30,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:27:30,669 INFO L85 PathProgramCache]: Analyzing trace with hash 128342224, now seen corresponding path program 1 times [2023-11-29 04:27:30,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:27:30,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288443755] [2023-11-29 04:27:30,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:27:30,673 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 04:27:30,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:27:30,676 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:30,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:27:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:27:31,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 04:27:31,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:27:31,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 04:27:31,542 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 04:27:31,565 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 04:27:31,991 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 04:27:32,063 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 04:27:32,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:27:34,187 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 04:27:34,187 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:27:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288443755] [2023-11-29 04:27:34,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288443755] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:27:34,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:27:34,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 04:27:34,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584348469] [2023-11-29 04:27:34,188 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:27:34,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 04:27:34,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:27:34,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 04:27:34,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:27:34,189 INFO L87 Difference]: Start difference. First operand 1294 states and 1694 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 04:28:34,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:28:34,775 INFO L93 Difference]: Finished difference Result 1303 states and 1701 transitions. [2023-11-29 04:28:34,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:28:34,779 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 04:28:34,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:28:34,785 INFO L225 Difference]: With dead ends: 1303 [2023-11-29 04:28:34,785 INFO L226 Difference]: Without dead ends: 1303 [2023-11-29 04:28:34,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:28:34,786 INFO L413 NwaCegarLoop]: 1132 mSDtfsCounter, 22 mSDsluCounter, 6037 mSDsCounter, 0 mSdLazyCounter, 4133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7169 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:28:34,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7169 Invalid, 4137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 4133 Invalid, 0 Unknown, 0 Unchecked, 59.4s Time] [2023-11-29 04:28:34,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2023-11-29 04:28:34,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1301. [2023-11-29 04:28:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 787 states have (on average 2.048284625158831) internal successors, (1612), 1237 states have internal predecessors, (1612), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:28:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1701 transitions. [2023-11-29 04:28:34,806 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1701 transitions. Word has length 44 [2023-11-29 04:28:34,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:28:34,806 INFO L495 AbstractCegarLoop]: Abstraction has 1301 states and 1701 transitions. [2023-11-29 04:28:34,806 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 04:28:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1701 transitions. [2023-11-29 04:28:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 04:28:34,807 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:28:34,807 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 04:28:34,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:35,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:35,007 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:28:35,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:28:35,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2137152785, now seen corresponding path program 1 times [2023-11-29 04:28:35,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:28:35,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358978943] [2023-11-29 04:28:35,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:28:35,009 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 04:28:35,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:28:35,010 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:35,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:28:35,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:28:35,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:28:35,970 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 04:28:35,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:28:36,176 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 04:28:36,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:28:36,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1358978943] [2023-11-29 04:28:36,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1358978943] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:28:36,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:28:36,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 04:28:36,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850225952] [2023-11-29 04:28:36,177 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:28:36,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:28:36,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:28:36,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:28:36,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:28:36,178 INFO L87 Difference]: Start difference. First operand 1301 states and 1701 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 04:28:40,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:28:40,679 INFO L93 Difference]: Finished difference Result 1338 states and 1736 transitions. [2023-11-29 04:28:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:28:40,683 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 04:28:40,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:28:40,689 INFO L225 Difference]: With dead ends: 1338 [2023-11-29 04:28:40,689 INFO L226 Difference]: Without dead ends: 1338 [2023-11-29 04:28:40,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:28:40,690 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 31 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 5710 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:28:40,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 5710 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 04:28:40,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2023-11-29 04:28:40,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1331. [2023-11-29 04:28:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 817 states have (on average 2.0159118727050185) internal successors, (1647), 1267 states have internal predecessors, (1647), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:28:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1736 transitions. [2023-11-29 04:28:40,709 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1736 transitions. Word has length 51 [2023-11-29 04:28:40,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:28:40,709 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1736 transitions. [2023-11-29 04:28:40,710 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 04:28:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1736 transitions. [2023-11-29 04:28:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 04:28:40,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:28:40,710 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 04:28:40,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2023-11-29 04:28:40,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:40,911 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:28:40,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:28:40,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1477450042, now seen corresponding path program 2 times [2023-11-29 04:28:40,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:28:40,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492782062] [2023-11-29 04:28:40,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 04:28:40,912 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 04:28:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:28:40,913 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:40,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:42,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 04:28:42,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 04:28:42,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 04:28:42,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:28:43,141 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 04:28:43,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:28:43,912 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 04:28:43,912 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:28:43,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492782062] [2023-11-29 04:28:43,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492782062] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:28:43,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:28:43,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-29 04:28:43,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351747402] [2023-11-29 04:28:43,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:28:43,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:28:43,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:28:43,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:28:43,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:28:43,914 INFO L87 Difference]: Start difference. First operand 1331 states and 1736 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 04:28:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:28:54,320 INFO L93 Difference]: Finished difference Result 1352 states and 1750 transitions. [2023-11-29 04:28:54,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:28:54,324 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 04:28:54,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:28:54,329 INFO L225 Difference]: With dead ends: 1352 [2023-11-29 04:28:54,329 INFO L226 Difference]: Without dead ends: 1352 [2023-11-29 04:28:54,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:28:54,330 INFO L413 NwaCegarLoop]: 1148 mSDtfsCounter, 35 mSDsluCounter, 13729 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 14877 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:28:54,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 14877 Invalid, 1753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2023-11-29 04:28:54,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2023-11-29 04:28:54,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1343. [2023-11-29 04:28:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 829 states have (on average 2.0036188178528347) internal successors, (1661), 1279 states have internal predecessors, (1661), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:28:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1750 transitions. [2023-11-29 04:28:54,355 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1750 transitions. Word has length 66 [2023-11-29 04:28:54,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:28:54,355 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 1750 transitions. [2023-11-29 04:28:54,355 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 04:28:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1750 transitions. [2023-11-29 04:28:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 04:28:54,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:28:54,356 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 04:28:54,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:54,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:54,565 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:28:54,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:28:54,565 INFO L85 PathProgramCache]: Analyzing trace with hash 741687770, now seen corresponding path program 3 times [2023-11-29 04:28:54,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:28:54,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770417047] [2023-11-29 04:28:54,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 04:28:54,566 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 04:28:54,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:28:54,567 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:54,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:28:56,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 04:28:56,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 04:28:56,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 04:28:56,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:28:56,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:28:56,317 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 04:28:56,327 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 04:28:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:28:56,662 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 04:28:56,715 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:28:56,715 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 04:28:58,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:28:58,994 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 04:28:59,052 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:28:59,053 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 04:28:59,232 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 04:28:59,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:29:03,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:29:03,068 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 04:29:06,365 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:29:06,366 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 04:29:07,585 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 04:29:07,599 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 04:29:08,061 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 04:29:08,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:29:08,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770417047] [2023-11-29 04:29:08,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770417047] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:29:08,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:29:08,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-29 04:29:08,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265260161] [2023-11-29 04:29:08,062 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:29:08,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 04:29:08,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:29:08,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 04:29:08,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:29:08,064 INFO L87 Difference]: Start difference. First operand 1343 states and 1750 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 04:30:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:30:24,708 INFO L93 Difference]: Finished difference Result 1428 states and 1842 transitions. [2023-11-29 04:30:24,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:30:24,710 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 04:30:24,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:30:24,716 INFO L225 Difference]: With dead ends: 1428 [2023-11-29 04:30:24,716 INFO L226 Difference]: Without dead ends: 1428 [2023-11-29 04:30:24,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:30:24,718 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 1938 mSDsluCounter, 5839 mSDsCounter, 0 mSdLazyCounter, 3560 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1957 SdHoareTripleChecker+Valid, 6950 SdHoareTripleChecker+Invalid, 3593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 3560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:30:24,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1957 Valid, 6950 Invalid, 3593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 3560 Invalid, 0 Unknown, 0 Unchecked, 75.3s Time] [2023-11-29 04:30:24,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2023-11-29 04:30:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1343. [2023-11-29 04:30:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 832 states have (on average 1.9867788461538463) internal successors, (1653), 1279 states have internal predecessors, (1653), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:30:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1742 transitions. [2023-11-29 04:30:24,744 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1742 transitions. Word has length 72 [2023-11-29 04:30:24,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:30:24,744 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 1742 transitions. [2023-11-29 04:30:24,745 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 04:30:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1742 transitions. [2023-11-29 04:30:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 04:30:24,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:30:24,746 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 04:30:24,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:30:24,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:30:24,946 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:30:24,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:30:24,947 INFO L85 PathProgramCache]: Analyzing trace with hash -200490184, now seen corresponding path program 1 times [2023-11-29 04:30:24,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:30:24,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111838093] [2023-11-29 04:30:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:30:24,950 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 04:30:24,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:30:24,951 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:30:24,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:30:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:30:27,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 04:30:27,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:30:27,290 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 04:30:27,329 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 04:30:27,344 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 7 [2023-11-29 04:30:27,361 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 04:30:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:30:27,777 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 04:30:27,833 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:30:27,834 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 04:30:30,436 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 04:30:30,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 04:30:30,529 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:30:30,529 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 04:30:30,978 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 04:30:30,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:30:35,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:30:35,694 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 04:30:44,266 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 04:30:44,267 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 04:30:45,000 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 04:30:45,000 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:30:45,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111838093] [2023-11-29 04:30:45,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111838093] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:30:45,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:30:45,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-11-29 04:30:45,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729077975] [2023-11-29 04:30:45,002 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:30:45,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 04:30:45,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:30:45,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 04:30:45,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2023-11-29 04:30:45,004 INFO L87 Difference]: Start difference. First operand 1343 states and 1742 transitions. Second operand has 19 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 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 04:32:54,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:32:54,237 INFO L93 Difference]: Finished difference Result 1458 states and 1786 transitions. [2023-11-29 04:32:54,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:32:54,238 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 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 04:32:54,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:32:54,242 INFO L225 Difference]: With dead ends: 1458 [2023-11-29 04:32:54,242 INFO L226 Difference]: Without dead ends: 1458 [2023-11-29 04:32:54,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=129, Invalid=521, Unknown=0, NotChecked=0, Total=650 [2023-11-29 04:32:54,243 INFO L413 NwaCegarLoop]: 904 mSDtfsCounter, 1467 mSDsluCounter, 5300 mSDsCounter, 0 mSdLazyCounter, 5513 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 6204 SdHoareTripleChecker+Invalid, 5534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 127.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:32:54,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 6204 Invalid, 5534 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 5513 Invalid, 0 Unknown, 0 Unchecked, 127.1s Time] [2023-11-29 04:32:54,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2023-11-29 04:32:54,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1345. [2023-11-29 04:32:54,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 834 states have (on average 1.984412470023981) internal successors, (1655), 1281 states have internal predecessors, (1655), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:32:54,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1744 transitions. [2023-11-29 04:32:54,259 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1744 transitions. Word has length 74 [2023-11-29 04:32:54,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:32:54,260 INFO L495 AbstractCegarLoop]: Abstraction has 1345 states and 1744 transitions. [2023-11-29 04:32:54,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 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 04:32:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1744 transitions. [2023-11-29 04:32:54,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 04:32:54,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:32:54,260 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 04:32:54,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:32:54,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:32:54,461 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:32:54,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:32:54,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1985365868, now seen corresponding path program 1 times [2023-11-29 04:32:54,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:32:54,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460672242] [2023-11-29 04:32:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:32:54,462 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 04:32:54,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:32:54,463 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:32:54,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:32:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:32:55,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:32:55,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:32:55,683 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 04:32:55,700 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 04:32:55,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:32:55,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:32:55,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460672242] [2023-11-29 04:32:55,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460672242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:32:55,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:32:55,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:32:55,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132970757] [2023-11-29 04:32:55,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:32:55,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:32:55,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:32:55,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:32:55,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:32:55,701 INFO L87 Difference]: Start difference. First operand 1345 states and 1744 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 04:32:59,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:32:59,928 INFO L93 Difference]: Finished difference Result 1345 states and 1744 transitions. [2023-11-29 04:32:59,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:32:59,929 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 04:32:59,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:32:59,932 INFO L225 Difference]: With dead ends: 1345 [2023-11-29 04:32:59,932 INFO L226 Difference]: Without dead ends: 1345 [2023-11-29 04:32:59,933 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 04:32:59,933 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 2 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:32:59,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1873 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 04:32:59,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2023-11-29 04:32:59,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1344. [2023-11-29 04:32:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 834 states have (on average 1.9832134292565948) internal successors, (1654), 1280 states have internal predecessors, (1654), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:32:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1743 transitions. [2023-11-29 04:32:59,953 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1743 transitions. Word has length 75 [2023-11-29 04:32:59,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:32:59,953 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 1743 transitions. [2023-11-29 04:32:59,953 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 04:32:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1743 transitions. [2023-11-29 04:32:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 04:32:59,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:32:59,954 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 04:32:59,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:00,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:00,155 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:00,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1985365867, now seen corresponding path program 1 times [2023-11-29 04:33:00,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:00,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112295225] [2023-11-29 04:33:00,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:00,156 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 04:33:00,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:00,157 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:00,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:01,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:33:01,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:01,392 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 04:33:01,424 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 04:33:01,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:01,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:01,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112295225] [2023-11-29 04:33:01,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112295225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:01,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:01,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:33:01,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418359223] [2023-11-29 04:33:01,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:01,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:33:01,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:01,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:33:01,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:33:01,426 INFO L87 Difference]: Start difference. First operand 1344 states and 1743 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 04:33:08,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:08,033 INFO L93 Difference]: Finished difference Result 1344 states and 1743 transitions. [2023-11-29 04:33:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:33:08,037 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 04:33:08,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:08,040 INFO L225 Difference]: With dead ends: 1344 [2023-11-29 04:33:08,040 INFO L226 Difference]: Without dead ends: 1344 [2023-11-29 04:33:08,040 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 04:33:08,040 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 1 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:08,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1892 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-11-29 04:33:08,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2023-11-29 04:33:08,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1343. [2023-11-29 04:33:08,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 834 states have (on average 1.9820143884892085) internal successors, (1653), 1279 states have internal predecessors, (1653), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1742 transitions. [2023-11-29 04:33:08,055 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1742 transitions. Word has length 75 [2023-11-29 04:33:08,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:08,056 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 1742 transitions. [2023-11-29 04:33:08,056 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 04:33:08,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1742 transitions. [2023-11-29 04:33:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 04:33:08,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:08,056 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:33:08,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:08,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:08,257 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:08,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:08,257 INFO L85 PathProgramCache]: Analyzing trace with hash -909128775, now seen corresponding path program 1 times [2023-11-29 04:33:08,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:08,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430655655] [2023-11-29 04:33:08,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:08,258 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 04:33:08,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:08,259 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:08,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:09,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:33:09,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:09,775 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 04:33:09,775 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:09,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:09,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430655655] [2023-11-29 04:33:09,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430655655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:09,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:09,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:33:09,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837328857] [2023-11-29 04:33:09,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:09,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:33:09,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:09,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:33:09,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:33:09,777 INFO L87 Difference]: Start difference. First operand 1343 states and 1742 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:33:11,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:11,568 INFO L93 Difference]: Finished difference Result 1343 states and 1741 transitions. [2023-11-29 04:33:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:33:11,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2023-11-29 04:33:11,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:11,575 INFO L225 Difference]: With dead ends: 1343 [2023-11-29 04:33:11,575 INFO L226 Difference]: Without dead ends: 1343 [2023-11-29 04:33:11,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 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 04:33:11,576 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 23 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:11,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2229 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 04:33:11,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2023-11-29 04:33:11,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1343. [2023-11-29 04:33:11,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 834 states have (on average 1.9808153477218224) internal successors, (1652), 1279 states have internal predecessors, (1652), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1741 transitions. [2023-11-29 04:33:11,593 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1741 transitions. Word has length 77 [2023-11-29 04:33:11,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:11,593 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 1741 transitions. [2023-11-29 04:33:11,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:33:11,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1741 transitions. [2023-11-29 04:33:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 04:33:11,594 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:11,594 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 04:33:11,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2023-11-29 04:33:11,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:11,795 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:11,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:11,795 INFO L85 PathProgramCache]: Analyzing trace with hash -40103121, now seen corresponding path program 1 times [2023-11-29 04:33:11,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:11,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162718417] [2023-11-29 04:33:11,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:11,796 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 04:33:11,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:11,797 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:11,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:13,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:33:13,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:13,024 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 04:33:13,040 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 04:33:13,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:13,040 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:13,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162718417] [2023-11-29 04:33:13,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162718417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:13,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:13,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:33:13,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23646077] [2023-11-29 04:33:13,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:13,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:33:13,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:13,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:33:13,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:33:13,042 INFO L87 Difference]: Start difference. First operand 1343 states and 1741 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 04:33:17,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:17,241 INFO L93 Difference]: Finished difference Result 1343 states and 1741 transitions. [2023-11-29 04:33:17,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:33:17,242 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 04:33:17,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:17,244 INFO L225 Difference]: With dead ends: 1343 [2023-11-29 04:33:17,244 INFO L226 Difference]: Without dead ends: 1343 [2023-11-29 04:33:17,244 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 04:33:17,245 INFO L413 NwaCegarLoop]: 1132 mSDtfsCounter, 2 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:17,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1868 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 04:33:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2023-11-29 04:33:17,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1342. [2023-11-29 04:33:17,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 834 states have (on average 1.9796163069544364) internal successors, (1651), 1278 states have internal predecessors, (1651), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1740 transitions. [2023-11-29 04:33:17,258 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1740 transitions. Word has length 78 [2023-11-29 04:33:17,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:17,259 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1740 transitions. [2023-11-29 04:33:17,259 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 04:33:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1740 transitions. [2023-11-29 04:33:17,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 04:33:17,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:17,259 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 04:33:17,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:17,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:17,460 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:17,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:17,460 INFO L85 PathProgramCache]: Analyzing trace with hash -40103120, now seen corresponding path program 1 times [2023-11-29 04:33:17,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:17,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287618014] [2023-11-29 04:33:17,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:17,461 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 04:33:17,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:17,462 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:17,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:18,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:33:18,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:18,709 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 04:33:18,735 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 04:33:18,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:18,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:18,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287618014] [2023-11-29 04:33:18,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287618014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:18,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:18,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:33:18,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501179326] [2023-11-29 04:33:18,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:18,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:33:18,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:18,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:33:18,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:33:18,738 INFO L87 Difference]: Start difference. First operand 1342 states and 1740 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 04:33:25,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:25,134 INFO L93 Difference]: Finished difference Result 1342 states and 1740 transitions. [2023-11-29 04:33:25,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:33:25,138 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 04:33:25,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:25,140 INFO L225 Difference]: With dead ends: 1342 [2023-11-29 04:33:25,140 INFO L226 Difference]: Without dead ends: 1342 [2023-11-29 04:33:25,140 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 04:33:25,141 INFO L413 NwaCegarLoop]: 1132 mSDtfsCounter, 1 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1887 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:25,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1887 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-29 04:33:25,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2023-11-29 04:33:25,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1341. [2023-11-29 04:33:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 834 states have (on average 1.9784172661870503) internal successors, (1650), 1277 states have internal predecessors, (1650), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1739 transitions. [2023-11-29 04:33:25,153 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1739 transitions. Word has length 78 [2023-11-29 04:33:25,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:25,154 INFO L495 AbstractCegarLoop]: Abstraction has 1341 states and 1739 transitions. [2023-11-29 04:33:25,154 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 04:33:25,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1739 transitions. [2023-11-29 04:33:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 04:33:25,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:25,154 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 04:33:25,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:25,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:25,355 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:25,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:25,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1242826625, now seen corresponding path program 1 times [2023-11-29 04:33:25,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:25,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901451576] [2023-11-29 04:33:25,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:25,356 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 04:33:25,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:25,357 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:25,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:26,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:33:26,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:26,610 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 04:33:26,611 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:26,611 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:26,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901451576] [2023-11-29 04:33:26,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1901451576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:26,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:26,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:33:26,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325790295] [2023-11-29 04:33:26,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:26,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:33:26,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:26,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:33:26,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:33:26,613 INFO L87 Difference]: Start difference. First operand 1341 states and 1739 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 04:33:29,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:29,295 INFO L93 Difference]: Finished difference Result 1343 states and 1741 transitions. [2023-11-29 04:33:29,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:33:29,299 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 04:33:29,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:29,302 INFO L225 Difference]: With dead ends: 1343 [2023-11-29 04:33:29,302 INFO L226 Difference]: Without dead ends: 1343 [2023-11-29 04:33:29,302 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 04:33:29,302 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 9 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3370 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:29,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3370 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 04:33:29,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2023-11-29 04:33:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1343. [2023-11-29 04:33:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 836 states have (on average 1.9760765550239234) internal successors, (1652), 1279 states have internal predecessors, (1652), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1741 transitions. [2023-11-29 04:33:29,315 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1741 transitions. Word has length 79 [2023-11-29 04:33:29,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:29,316 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 1741 transitions. [2023-11-29 04:33:29,316 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 04:33:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1741 transitions. [2023-11-29 04:33:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-29 04:33:29,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:29,316 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 04:33:29,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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)] Ended with exit code 0 [2023-11-29 04:33:29,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:29,517 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:29,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:29,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1773595830, now seen corresponding path program 1 times [2023-11-29 04:33:29,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:29,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004964902] [2023-11-29 04:33:29,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:29,518 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 04:33:29,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:29,519 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:29,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:30,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:33:30,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:30,783 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 04:33:30,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:30,784 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:30,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004964902] [2023-11-29 04:33:30,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004964902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:30,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:30,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:33:30,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085082289] [2023-11-29 04:33:30,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:30,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:33:30,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:30,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:33:30,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:33:30,785 INFO L87 Difference]: Start difference. First operand 1343 states and 1741 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 04:33:33,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:33,357 INFO L93 Difference]: Finished difference Result 1350 states and 1750 transitions. [2023-11-29 04:33:33,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:33:33,361 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 04:33:33,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:33,363 INFO L225 Difference]: With dead ends: 1350 [2023-11-29 04:33:33,363 INFO L226 Difference]: Without dead ends: 1350 [2023-11-29 04:33:33,363 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 04:33:33,364 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 9 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3373 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:33,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3373 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 04:33:33,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2023-11-29 04:33:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1344. [2023-11-29 04:33:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 837 states have (on average 1.973715651135006) internal successors, (1652), 1280 states have internal predecessors, (1652), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1741 transitions. [2023-11-29 04:33:33,380 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1741 transitions. Word has length 80 [2023-11-29 04:33:33,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:33,380 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 1741 transitions. [2023-11-29 04:33:33,381 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 04:33:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1741 transitions. [2023-11-29 04:33:33,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 04:33:33,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:33,381 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 04:33:33,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:33,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:33,582 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:33,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:33,582 INFO L85 PathProgramCache]: Analyzing trace with hash -711316284, now seen corresponding path program 1 times [2023-11-29 04:33:33,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:33,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335195897] [2023-11-29 04:33:33,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:33,583 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 04:33:33,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:33,584 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:33,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:34,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:33:34,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:34,768 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 04:33:34,783 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 04:33:34,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:34,784 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:34,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [335195897] [2023-11-29 04:33:34,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [335195897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:34,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:34,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:33:34,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214078179] [2023-11-29 04:33:34,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:34,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:33:34,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:34,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:33:34,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:33:34,785 INFO L87 Difference]: Start difference. First operand 1344 states and 1741 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 04:33:38,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:38,727 INFO L93 Difference]: Finished difference Result 1344 states and 1741 transitions. [2023-11-29 04:33:38,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:33:38,728 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 04:33:38,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:38,730 INFO L225 Difference]: With dead ends: 1344 [2023-11-29 04:33:38,730 INFO L226 Difference]: Without dead ends: 1344 [2023-11-29 04:33:38,731 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 04:33:38,731 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 2 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:38,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1865 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 04:33:38,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2023-11-29 04:33:38,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1343. [2023-11-29 04:33:38,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 837 states have (on average 1.972520908004779) internal successors, (1651), 1279 states have internal predecessors, (1651), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:38,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1740 transitions. [2023-11-29 04:33:38,745 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1740 transitions. Word has length 81 [2023-11-29 04:33:38,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:38,746 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 1740 transitions. [2023-11-29 04:33:38,746 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 04:33:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1740 transitions. [2023-11-29 04:33:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 04:33:38,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:38,747 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 04:33:38,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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)] Ended with exit code 0 [2023-11-29 04:33:38,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:38,947 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:38,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:38,948 INFO L85 PathProgramCache]: Analyzing trace with hash -711316283, now seen corresponding path program 1 times [2023-11-29 04:33:38,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:38,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600417636] [2023-11-29 04:33:38,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:38,949 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 04:33:38,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:38,950 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:38,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:40,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:33:40,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:40,221 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 04:33:40,249 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 04:33:40,250 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:40,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:40,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600417636] [2023-11-29 04:33:40,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600417636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:40,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:40,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:33:40,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299813935] [2023-11-29 04:33:40,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:40,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:33:40,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:40,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:33:40,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:33:40,251 INFO L87 Difference]: Start difference. First operand 1343 states and 1740 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 04:33:46,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:46,699 INFO L93 Difference]: Finished difference Result 1343 states and 1740 transitions. [2023-11-29 04:33:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:33:46,703 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 04:33:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:46,706 INFO L225 Difference]: With dead ends: 1343 [2023-11-29 04:33:46,706 INFO L226 Difference]: Without dead ends: 1343 [2023-11-29 04:33:46,706 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 04:33:46,706 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 1 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:46,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1884 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-29 04:33:46,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2023-11-29 04:33:46,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1342. [2023-11-29 04:33:46,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 837 states have (on average 1.971326164874552) internal successors, (1650), 1278 states have internal predecessors, (1650), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:46,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1739 transitions. [2023-11-29 04:33:46,719 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1739 transitions. Word has length 81 [2023-11-29 04:33:46,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:46,719 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1739 transitions. [2023-11-29 04:33:46,719 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 04:33:46,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1739 transitions. [2023-11-29 04:33:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 04:33:46,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:46,720 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 04:33:46,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:46,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:46,921 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:46,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:46,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1344544563, now seen corresponding path program 1 times [2023-11-29 04:33:46,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:46,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269539212] [2023-11-29 04:33:46,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:46,922 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 04:33:46,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:46,923 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:46,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:48,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:33:48,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:48,249 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 04:33:48,250 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:48,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:48,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269539212] [2023-11-29 04:33:48,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269539212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:48,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:48,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:33:48,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929365959] [2023-11-29 04:33:48,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:48,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:33:48,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:48,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:33:48,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:33:48,251 INFO L87 Difference]: Start difference. First operand 1342 states and 1739 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 04:33:51,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:51,532 INFO L93 Difference]: Finished difference Result 1348 states and 1747 transitions. [2023-11-29 04:33:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:33:51,536 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 04:33:51,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:51,538 INFO L225 Difference]: With dead ends: 1348 [2023-11-29 04:33:51,538 INFO L226 Difference]: Without dead ends: 1348 [2023-11-29 04:33:51,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 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 04:33:51,539 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 13 mSDsluCounter, 3366 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4495 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:51,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4495 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 04:33:51,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2023-11-29 04:33:51,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1344. [2023-11-29 04:33:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 839 states have (on average 1.969010727056019) internal successors, (1652), 1280 states have internal predecessors, (1652), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1741 transitions. [2023-11-29 04:33:51,557 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1741 transitions. Word has length 86 [2023-11-29 04:33:51,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:51,558 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 1741 transitions. [2023-11-29 04:33:51,558 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 04:33:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1741 transitions. [2023-11-29 04:33:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 04:33:51,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:51,559 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, 1] [2023-11-29 04:33:51,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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)] Ended with exit code 0 [2023-11-29 04:33:51,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:51,759 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:51,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:51,760 INFO L85 PathProgramCache]: Analyzing trace with hash -655991205, now seen corresponding path program 1 times [2023-11-29 04:33:51,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:51,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995181040] [2023-11-29 04:33:51,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:51,761 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 04:33:51,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:51,762 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:51,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:52,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:33:52,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:53,014 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 04:33:53,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:53,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:53,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [995181040] [2023-11-29 04:33:53,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [995181040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:53,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:53,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:33:53,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719529066] [2023-11-29 04:33:53,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:53,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:33:53,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:53,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:33:53,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:33:53,017 INFO L87 Difference]: Start difference. First operand 1344 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 04:33:55,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:33:55,788 INFO L93 Difference]: Finished difference Result 1346 states and 1743 transitions. [2023-11-29 04:33:55,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:33:55,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 87 [2023-11-29 04:33:55,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:33:55,795 INFO L225 Difference]: With dead ends: 1346 [2023-11-29 04:33:55,795 INFO L226 Difference]: Without dead ends: 1346 [2023-11-29 04:33:55,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 04:33:55,796 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 7 mSDsluCounter, 2237 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:33:55,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3366 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 04:33:55,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2023-11-29 04:33:55,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1346. [2023-11-29 04:33:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 841 states have (on average 1.966706302021403) internal successors, (1654), 1282 states have internal predecessors, (1654), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:33:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1743 transitions. [2023-11-29 04:33:55,814 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1743 transitions. Word has length 87 [2023-11-29 04:33:55,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:33:55,815 INFO L495 AbstractCegarLoop]: Abstraction has 1346 states and 1743 transitions. [2023-11-29 04:33:55,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 04:33:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1743 transitions. [2023-11-29 04:33:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 04:33:55,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:33:55,816 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, 1, 1] [2023-11-29 04:33:55,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:56,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:56,016 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:33:56,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:33:56,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1147083731, now seen corresponding path program 1 times [2023-11-29 04:33:56,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:33:56,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [294713840] [2023-11-29 04:33:56,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:33:56,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:33:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:33:56,019 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:56,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:33:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:33:57,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:33:57,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:33:57,373 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 04:33:57,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:33:57,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:33:57,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [294713840] [2023-11-29 04:33:57,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [294713840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:33:57,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:33:57,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:33:57,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096049830] [2023-11-29 04:33:57,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:33:57,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:33:57,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:33:57,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:33:57,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:33:57,375 INFO L87 Difference]: Start difference. First operand 1346 states and 1743 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 04:34:00,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:34:00,595 INFO L93 Difference]: Finished difference Result 1352 states and 1750 transitions. [2023-11-29 04:34:00,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:34:00,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 88 [2023-11-29 04:34:00,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:34:00,601 INFO L225 Difference]: With dead ends: 1352 [2023-11-29 04:34:00,601 INFO L226 Difference]: Without dead ends: 1352 [2023-11-29 04:34:00,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 84 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 04:34:00,602 INFO L413 NwaCegarLoop]: 1136 mSDtfsCounter, 13 mSDsluCounter, 3375 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4511 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:34:00,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4511 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 04:34:00,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2023-11-29 04:34:00,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1345. [2023-11-29 04:34:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 840 states have (on average 1.9666666666666666) internal successors, (1652), 1281 states have internal predecessors, (1652), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:34:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1741 transitions. [2023-11-29 04:34:00,622 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1741 transitions. Word has length 88 [2023-11-29 04:34:00,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:34:00,622 INFO L495 AbstractCegarLoop]: Abstraction has 1345 states and 1741 transitions. [2023-11-29 04:34:00,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 04:34:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1741 transitions. [2023-11-29 04:34:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 04:34:00,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:34:00,623 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, 1, 1] [2023-11-29 04:34:00,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:00,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:00,824 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:34:00,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:34:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1553448083, now seen corresponding path program 1 times [2023-11-29 04:34:00,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:34:00,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447528915] [2023-11-29 04:34:00,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:34:00,826 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 04:34:00,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:34:00,827 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:00,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:34:02,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:34:02,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:34:02,101 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 04:34:02,102 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:34:02,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:34:02,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447528915] [2023-11-29 04:34:02,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447528915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:34:02,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:34:02,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:34:02,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039235113] [2023-11-29 04:34:02,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:34:02,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:34:02,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:34:02,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:34:02,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:34:02,103 INFO L87 Difference]: Start difference. First operand 1345 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 04:34:04,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:34:04,682 INFO L93 Difference]: Finished difference Result 1349 states and 1745 transitions. [2023-11-29 04:34:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:34:04,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 88 [2023-11-29 04:34:04,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:34:04,689 INFO L225 Difference]: With dead ends: 1349 [2023-11-29 04:34:04,689 INFO L226 Difference]: Without dead ends: 1349 [2023-11-29 04:34:04,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 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 04:34:04,690 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 3 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:34:04,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3380 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 04:34:04,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2023-11-29 04:34:04,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1347. [2023-11-29 04:34:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 842 states have (on average 1.96437054631829) internal successors, (1654), 1283 states have internal predecessors, (1654), 47 states have call successors, (47), 25 states have call predecessors, (47), 22 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2023-11-29 04:34:04,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1743 transitions. [2023-11-29 04:34:04,703 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1743 transitions. Word has length 88 [2023-11-29 04:34:04,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:34:04,703 INFO L495 AbstractCegarLoop]: Abstraction has 1347 states and 1743 transitions. [2023-11-29 04:34:04,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 04:34:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1743 transitions. [2023-11-29 04:34:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 04:34:04,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:34:04,704 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, 1, 1] [2023-11-29 04:34:04,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:04,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:04,905 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:34:04,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:34:04,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1610706385, now seen corresponding path program 1 times [2023-11-29 04:34:04,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:34:04,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348257757] [2023-11-29 04:34:04,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:34:04,906 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 04:34:04,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:34:04,907 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:04,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:34:07,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:34:07,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:34:07,544 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-29 04:34:07,544 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 20 [2023-11-29 04:34:07,615 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 04:34:07,615 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 04:34:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 04:34:07,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:34:07,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:34:07,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348257757] [2023-11-29 04:34:07,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348257757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:34:07,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:34:07,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:34:07,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925013212] [2023-11-29 04:34:07,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:34:07,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:34:07,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:34:07,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:34:07,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:34:07,735 INFO L87 Difference]: Start difference. First operand 1347 states and 1743 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 04:34:14,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:34:14,676 INFO L93 Difference]: Finished difference Result 1486 states and 1832 transitions. [2023-11-29 04:34:14,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:34:14,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 88 [2023-11-29 04:34:14,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:34:14,679 INFO L225 Difference]: With dead ends: 1486 [2023-11-29 04:34:14,679 INFO L226 Difference]: Without dead ends: 1486 [2023-11-29 04:34:14,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 84 SyntacticMatches, 1 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 04:34:14,680 INFO L413 NwaCegarLoop]: 962 mSDtfsCounter, 853 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 2119 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:34:14,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 2119 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-11-29 04:34:14,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2023-11-29 04:34:14,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1391. [2023-11-29 04:34:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 884 states have (on average 1.9468325791855203) internal successors, (1721), 1320 states have internal predecessors, (1721), 54 states have call successors, (54), 25 states have call predecessors, (54), 22 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2023-11-29 04:34:14,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1824 transitions. [2023-11-29 04:34:14,693 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1824 transitions. Word has length 88 [2023-11-29 04:34:14,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:34:14,694 INFO L495 AbstractCegarLoop]: Abstraction has 1391 states and 1824 transitions. [2023-11-29 04:34:14,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 04:34:14,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1824 transitions. [2023-11-29 04:34:14,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 04:34:14,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:34:14,694 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, 1, 1] [2023-11-29 04:34:14,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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)] Ended with exit code 0 [2023-11-29 04:34:14,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:14,895 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:34:14,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:34:14,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1610706386, now seen corresponding path program 1 times [2023-11-29 04:34:14,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:34:14,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959979551] [2023-11-29 04:34:14,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:34:14,897 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 04:34:14,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:34:14,898 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:34:14,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 (38)] Waiting until timeout for monitored process [2023-11-29 04:34:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:34:17,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 04:34:17,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:34:17,476 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 04:34:17,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 21 [2023-11-29 04:34:17,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:34:17,931 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-29 04:34:17,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2023-11-29 04:34:17,978 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:34:17,979 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 04:34:20,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:34:20,300 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2023-11-29 04:34:20,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2023-11-29 04:34:20,389 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-29 04:34:20,390 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 20 [2023-11-29 04:34:20,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:34:20,650 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 04:34:20,704 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:34:20,704 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 04:34:21,469 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 04:34:21,470 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:34:21,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:34:21,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959979551] [2023-11-29 04:34:21,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959979551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:34:21,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:34:21,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 04:34:21,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579207085] [2023-11-29 04:34:21,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:34:21,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:34:21,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:34:21,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:34:21,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:34:21,472 INFO L87 Difference]: Start difference. First operand 1391 states and 1824 transitions. Second operand has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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 04:35:05,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:35:05,859 INFO L93 Difference]: Finished difference Result 1674 states and 2077 transitions. [2023-11-29 04:35:05,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:35:05,859 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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 88 [2023-11-29 04:35:05,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:35:05,862 INFO L225 Difference]: With dead ends: 1674 [2023-11-29 04:35:05,862 INFO L226 Difference]: Without dead ends: 1674 [2023-11-29 04:35:05,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:35:05,863 INFO L413 NwaCegarLoop]: 826 mSDtfsCounter, 3255 mSDsluCounter, 3835 mSDsCounter, 0 mSdLazyCounter, 3206 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3272 SdHoareTripleChecker+Valid, 4661 SdHoareTripleChecker+Invalid, 3244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 3206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:35:05,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 4661 Invalid, 3244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 3206 Invalid, 0 Unknown, 0 Unchecked, 43.2s Time] [2023-11-29 04:35:05,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2023-11-29 04:35:05,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1395. [2023-11-29 04:35:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 888 states have (on average 1.9436936936936937) internal successors, (1726), 1324 states have internal predecessors, (1726), 54 states have call successors, (54), 25 states have call predecessors, (54), 22 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2023-11-29 04:35:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1829 transitions. [2023-11-29 04:35:05,877 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1829 transitions. Word has length 88 [2023-11-29 04:35:05,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:35:05,877 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1829 transitions. [2023-11-29 04:35:05,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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 04:35:05,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1829 transitions. [2023-11-29 04:35:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 04:35:05,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:35:05,878 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, 1, 1, 1, 1, 1] [2023-11-29 04:35:05,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 (38)] Ended with exit code 0 [2023-11-29 04:35:06,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:35:06,079 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:35:06,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:35:06,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1180986412, now seen corresponding path program 1 times [2023-11-29 04:35:06,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:35:06,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112542126] [2023-11-29 04:35:06,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:35:06,080 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 04:35:06,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:35:06,081 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:35:06,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 (39)] Waiting until timeout for monitored process [2023-11-29 04:35:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:35:08,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 04:35:08,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:35:09,535 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 14 treesize of output 10 [2023-11-29 04:35:09,554 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 14 treesize of output 10 [2023-11-29 04:35:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:35:09,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 14 [2023-11-29 04:35:09,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:35:09,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 14 [2023-11-29 04:35:13,490 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 04:35:13,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 04:35:13,504 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 04:35:13,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:35:13,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 10 [2023-11-29 04:35:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-29 04:35:13,653 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:35:16,780 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 28 treesize of output 26 [2023-11-29 04:35:16,788 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 184 treesize of output 170 [2023-11-29 04:35:16,814 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 28 treesize of output 26 [2023-11-29 04:35:16,824 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 184 treesize of output 170 [2023-11-29 04:35:17,319 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 04:35:17,319 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:35:17,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112542126] [2023-11-29 04:35:17,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112542126] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:35:17,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:35:17,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12] total 28 [2023-11-29 04:35:17,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352205098] [2023-11-29 04:35:17,320 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:35:17,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-29 04:35:17,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:35:17,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-29 04:35:17,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2023-11-29 04:35:17,322 INFO L87 Difference]: Start difference. First operand 1395 states and 1829 transitions. Second operand has 28 states, 28 states have (on average 3.357142857142857) internal successors, (94), 27 states have internal predecessors, (94), 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 04:35:42,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:35:42,289 INFO L93 Difference]: Finished difference Result 2190 states and 2893 transitions. [2023-11-29 04:35:42,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 04:35:42,293 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.357142857142857) internal successors, (94), 27 states have internal predecessors, (94), 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 91 [2023-11-29 04:35:42,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:35:42,295 INFO L225 Difference]: With dead ends: 2190 [2023-11-29 04:35:42,295 INFO L226 Difference]: Without dead ends: 2190 [2023-11-29 04:35:42,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=160, Invalid=1030, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 04:35:42,296 INFO L413 NwaCegarLoop]: 1099 mSDtfsCounter, 5043 mSDsluCounter, 19447 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5062 SdHoareTripleChecker+Valid, 20546 SdHoareTripleChecker+Invalid, 3557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:35:42,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5062 Valid, 20546 Invalid, 3557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [93 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 23.4s Time] [2023-11-29 04:35:42,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2023-11-29 04:35:42,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 1426. [2023-11-29 04:35:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 920 states have (on average 1.916304347826087) internal successors, (1763), 1355 states have internal predecessors, (1763), 54 states have call successors, (54), 25 states have call predecessors, (54), 22 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2023-11-29 04:35:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1866 transitions. [2023-11-29 04:35:42,319 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1866 transitions. Word has length 91 [2023-11-29 04:35:42,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:35:42,319 INFO L495 AbstractCegarLoop]: Abstraction has 1426 states and 1866 transitions. [2023-11-29 04:35:42,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.357142857142857) internal successors, (94), 27 states have internal predecessors, (94), 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 04:35:42,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1866 transitions. [2023-11-29 04:35:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-29 04:35:42,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:35:42,320 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:35:42,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 (39)] Ended with exit code 0 [2023-11-29 04:35:42,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:35:42,521 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:35:42,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:35:42,521 INFO L85 PathProgramCache]: Analyzing trace with hash 997149221, now seen corresponding path program 1 times [2023-11-29 04:35:42,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:35:42,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078990138] [2023-11-29 04:35:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:35:42,523 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 04:35:42,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:35:42,524 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:35:42,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 (40)] Waiting until timeout for monitored process [2023-11-29 04:35:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:35:43,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:35:43,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:35:43,927 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 04:35:43,943 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 04:35:43,943 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:35:43,944 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:35:43,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078990138] [2023-11-29 04:35:43,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078990138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:35:43,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:35:43,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:35:43,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903587295] [2023-11-29 04:35:43,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:35:43,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:35:43,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:35:43,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:35:43,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:35:43,945 INFO L87 Difference]: Start difference. First operand 1426 states and 1866 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 04:35:48,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:35:48,486 INFO L93 Difference]: Finished difference Result 1503 states and 1871 transitions. [2023-11-29 04:35:48,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:35:48,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 93 [2023-11-29 04:35:48,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:35:48,489 INFO L225 Difference]: With dead ends: 1503 [2023-11-29 04:35:48,489 INFO L226 Difference]: Without dead ends: 1503 [2023-11-29 04:35:48,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 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 04:35:48,490 INFO L413 NwaCegarLoop]: 1006 mSDtfsCounter, 330 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:35:48,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1657 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 04:35:48,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2023-11-29 04:35:48,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1425. [2023-11-29 04:35:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 920 states have (on average 1.9152173913043478) internal successors, (1762), 1354 states have internal predecessors, (1762), 54 states have call successors, (54), 25 states have call predecessors, (54), 22 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2023-11-29 04:35:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1865 transitions. [2023-11-29 04:35:48,507 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1865 transitions. Word has length 93 [2023-11-29 04:35:48,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:35:48,508 INFO L495 AbstractCegarLoop]: Abstraction has 1425 states and 1865 transitions. [2023-11-29 04:35:48,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 04:35:48,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1865 transitions. [2023-11-29 04:35:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-29 04:35:48,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:35:48,508 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:35:48,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 (40)] Ended with exit code 0 [2023-11-29 04:35:48,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:35:48,709 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, vasprintfErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 609 more)] === [2023-11-29 04:35:48,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:35:48,709 INFO L85 PathProgramCache]: Analyzing trace with hash 997149222, now seen corresponding path program 1 times [2023-11-29 04:35:48,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:35:48,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786417017] [2023-11-29 04:35:48,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:35:48,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:35:48,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:35:48,711 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 04:35:48,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1f3bf0-7d5f-4d84-a1c7-c1789b5b6dbc/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 (41)] Waiting until timeout for monitored process [2023-11-29 04:35:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:35:50,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:35:50,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:35:50,027 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 04:35:50,056 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 04:35:50,056 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:35:50,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:35:50,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786417017] [2023-11-29 04:35:50,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786417017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:35:50,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:35:50,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:35:50,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380665336] [2023-11-29 04:35:50,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:35:50,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:35:50,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:35:50,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:35:50,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:35:50,058 INFO L87 Difference]: Start difference. First operand 1425 states and 1865 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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)