./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI --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 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:38:16,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:38:16,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-24 21:38:16,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:38:16,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:38:16,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:38:16,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:38:16,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:38:16,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:38:16,332 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:38:16,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:38:16,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:38:16,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:38:16,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:38:16,335 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:38:16,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:38:16,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:38:16,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:38:16,338 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 21:38:16,339 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 21:38:16,339 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 21:38:16,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:38:16,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 21:38:16,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 21:38:16,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:38:16,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:38:16,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:38:16,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:38:16,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:38:16,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:38:16,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:38:16,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:38:16,345 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 21:38:16,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 21:38:16,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:38:16,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:38:16,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:38:16,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:38:16,347 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_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2023-11-24 21:38:16,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:38:16,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:38:16,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:38:16,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:38:16,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:38:16,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-24 21:38:19,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:38:20,534 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:38:20,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-24 21:38:20,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/data/353688dda/e6804caf039d465abc1f9cc11db194fd/FLAG49cb323ae [2023-11-24 21:38:20,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/data/353688dda/e6804caf039d465abc1f9cc11db194fd [2023-11-24 21:38:20,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:38:20,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:38:20,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:38:20,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:38:20,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:38:20,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:38:20" (1/1) ... [2023-11-24 21:38:20,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5266f6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:20, skipping insertion in model container [2023-11-24 21:38:20,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:38:20" (1/1) ... [2023-11-24 21:38:20,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:38:21,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:38:21,840 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) [2023-11-24 21:38:21,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33bebd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:21, skipping insertion in model container [2023-11-24 21:38:21,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:38:21,842 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 21:38:21,845 INFO L158 Benchmark]: Toolchain (without parser) took 1231.78ms. Allocated memory is still 155.2MB. Free memory was 111.3MB in the beginning and 79.6MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 21:38:21,846 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 155.2MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 21:38:21,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1227.25ms. Allocated memory is still 155.2MB. Free memory was 111.3MB in the beginning and 79.6MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 21:38:21,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 155.2MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1227.25ms. Allocated memory is still 155.2MB. Free memory was 111.3MB in the beginning and 79.6MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1836]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI --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 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:38:24,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:38:24,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-24 21:38:24,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:38:24,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:38:24,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:38:24,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:38:24,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:38:24,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:38:24,683 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:38:24,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:38:24,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:38:24,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:38:24,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:38:24,686 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:38:24,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:38:24,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:38:24,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:38:24,688 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 21:38:24,689 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 21:38:24,689 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 21:38:24,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:38:24,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 21:38:24,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 21:38:24,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 21:38:24,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 21:38:24,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:38:24,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:38:24,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:38:24,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:38:24,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:38:24,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:38:24,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:38:24,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:38:24,707 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-24 21:38:24,707 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 21:38:24,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:38:24,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:38:24,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:38:24,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:38:24,709 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-24 21:38:24,711 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_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2023-11-24 21:38:25,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:38:25,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:38:25,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:38:25,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:38:25,168 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:38:25,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-24 21:38:28,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:38:29,215 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:38:29,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-24 21:38:29,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/data/e863cc839/ee1939ab3c9740e796d57e17eb406b12/FLAG1e34f38f6 [2023-11-24 21:38:29,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/data/e863cc839/ee1939ab3c9740e796d57e17eb406b12 [2023-11-24 21:38:29,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:38:29,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:38:29,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:38:29,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:38:29,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:38:29,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:38:29" (1/1) ... [2023-11-24 21:38:29,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d800aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:29, skipping insertion in model container [2023-11-24 21:38:29,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:38:29" (1/1) ... [2023-11-24 21:38:29,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:38:30,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:38:30,515 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 21:38:30,539 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:38:30,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:38:30,758 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 21:38:30,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:38:30,954 INFO L206 MainTranslator]: Completed translation [2023-11-24 21:38:30,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30 WrapperNode [2023-11-24 21:38:30,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:38:30,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 21:38:30,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 21:38:30,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 21:38:30,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,155 INFO L138 Inliner]: procedures = 121, calls = 369, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 821 [2023-11-24 21:38:31,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 21:38:31,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 21:38:31,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 21:38:31,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 21:38:31,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,208 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,325 INFO L175 MemorySlicer]: Split 88 memory accesses to 9 slices as follows [2, 10, 4, 2, 10, 3, 11, 20, 26]. 30 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 0, 0, 0, 0, 11, 20, 0]. The 16 writes are split as follows [0, 9, 1, 0, 3, 2, 0, 0, 1]. [2023-11-24 21:38:31,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 21:38:31,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 21:38:31,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 21:38:31,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 21:38:31,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (1/1) ... [2023-11-24 21:38:31,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:38:31,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:38:31,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 21:38:31,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 21:38:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-24 21:38:31,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-24 21:38:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-24 21:38:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-24 21:38:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-24 21:38:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-24 21:38:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-24 21:38:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-24 21:38:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-24 21:38:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-24 21:38:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-11-24 21:38:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2023-11-24 21:38:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2023-11-24 21:38:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2023-11-24 21:38:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2023-11-24 21:38:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2023-11-24 21:38:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2023-11-24 21:38:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2023-11-24 21:38:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2023-11-24 21:38:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2023-11-24 21:38:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-24 21:38:31,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-24 21:38:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-24 21:38:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-24 21:38:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-24 21:38:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-24 21:38:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-24 21:38:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-24 21:38:31,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-24 21:38:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 21:38:31,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 21:38:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2023-11-24 21:38:31,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2023-11-24 21:38:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2023-11-24 21:38:31,619 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2023-11-24 21:38:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2023-11-24 21:38:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2023-11-24 21:38:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2023-11-24 21:38:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2023-11-24 21:38:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2023-11-24 21:38:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2023-11-24 21:38:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2023-11-24 21:38:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2023-11-24 21:38:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 21:38:31,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 21:38:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2023-11-24 21:38:31,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2023-11-24 21:38:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-24 21:38:31,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-24 21:38:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 21:38:31,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 21:38:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2023-11-24 21:38:31,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2023-11-24 21:38:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 21:38:31,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 21:38:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2023-11-24 21:38:31,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2023-11-24 21:38:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2023-11-24 21:38:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2023-11-24 21:38:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2023-11-24 21:38:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2023-11-24 21:38:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 21:38:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 21:38:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 21:38:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 21:38:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2023-11-24 21:38:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2023-11-24 21:38:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 21:38:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-24 21:38:31,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-24 21:38:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-24 21:38:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-24 21:38:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-24 21:38:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-24 21:38:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-24 21:38:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-24 21:38:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-24 21:38:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-24 21:38:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-24 21:38:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 21:38:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 21:38:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2023-11-24 21:38:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2023-11-24 21:38:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 21:38:31,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 21:38:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-24 21:38:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-24 21:38:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2023-11-24 21:38:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2023-11-24 21:38:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2023-11-24 21:38:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2023-11-24 21:38:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2023-11-24 21:38:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2023-11-24 21:38:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2023-11-24 21:38:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2023-11-24 21:38:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2023-11-24 21:38:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-24 21:38:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-24 21:38:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-24 21:38:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-24 21:38:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-24 21:38:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-24 21:38:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-24 21:38:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-24 21:38:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-11-24 21:38:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-24 21:38:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-24 21:38:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-24 21:38:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-24 21:38:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-24 21:38:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-24 21:38:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-24 21:38:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-24 21:38:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-24 21:38:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 21:38:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-24 21:38:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-24 21:38:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-24 21:38:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-24 21:38:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-24 21:38:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-24 21:38:31,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-24 21:38:31,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-24 21:38:31,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-24 21:38:31,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-24 21:38:31,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-24 21:38:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-24 21:38:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-24 21:38:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-24 21:38:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-24 21:38:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-24 21:38:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-24 21:38:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-24 21:38:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-24 21:38:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-24 21:38:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-24 21:38:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-24 21:38:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 21:38:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 21:38:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2023-11-24 21:38:31,642 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2023-11-24 21:38:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2023-11-24 21:38:31,642 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2023-11-24 21:38:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-24 21:38:31,642 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-24 21:38:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 21:38:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 21:38:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2023-11-24 21:38:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2023-11-24 21:38:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 21:38:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 21:38:32,177 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 21:38:32,181 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 21:38:32,240 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 21:38:35,057 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 21:38:35,221 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 21:38:35,221 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 21:38:35,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:38:35 BoogieIcfgContainer [2023-11-24 21:38:35,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 21:38:35,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 21:38:35,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 21:38:35,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 21:38:35,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 09:38:29" (1/3) ... [2023-11-24 21:38:35,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767ce940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:38:35, skipping insertion in model container [2023-11-24 21:38:35,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:38:30" (2/3) ... [2023-11-24 21:38:35,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767ce940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:38:35, skipping insertion in model container [2023-11-24 21:38:35,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:38:35" (3/3) ... [2023-11-24 21:38:35,231 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-24 21:38:35,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 21:38:35,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2023-11-24 21:38:35,310 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 21:38:35,317 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;@6b59c317, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 21:38:35,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2023-11-24 21:38:35,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 494 states, 271 states have (on average 1.7490774907749078) internal successors, (474), 391 states have internal predecessors, (474), 80 states have call successors, (80), 32 states have call predecessors, (80), 31 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-24 21:38:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 21:38:35,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:38:35,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:38:35,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2023-11-24 21:38:35,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:38:35,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1869912866, now seen corresponding path program 1 times [2023-11-24 21:38:35,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:38:35,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076369613] [2023-11-24 21:38:35,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:38:35,356 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 [2023-11-24 21:38:35,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:38:35,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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) [2023-11-24 21:38:35,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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 [2023-11-24 21:38:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:38:35,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 21:38:35,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:38:35,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-24 21:38:35,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:38:35,964 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:38:35,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:38:35,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076369613] [2023-11-24 21:38:35,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076369613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:38:35,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:38:35,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 21:38:35,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419582015] [2023-11-24 21:38:35,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:38:35,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 21:38:35,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:38:36,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 21:38:36,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 21:38:36,010 INFO L87 Difference]: Start difference. First operand has 494 states, 271 states have (on average 1.7490774907749078) internal successors, (474), 391 states have internal predecessors, (474), 80 states have call successors, (80), 32 states have call predecessors, (80), 31 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-24 21:38:40,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:38:40,626 INFO L93 Difference]: Finished difference Result 789 states and 1085 transitions. [2023-11-24 21:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 21:38:40,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 8 [2023-11-24 21:38:40,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:38:40,648 INFO L225 Difference]: With dead ends: 789 [2023-11-24 21:38:40,648 INFO L226 Difference]: Without dead ends: 776 [2023-11-24 21:38:40,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-24 21:38:40,654 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 412 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-24 21:38:40,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1262 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-24 21:38:40,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2023-11-24 21:38:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 687. [2023-11-24 21:38:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 425 states have (on average 1.7435294117647058) internal successors, (741), 539 states have internal predecessors, (741), 110 states have call successors, (110), 31 states have call predecessors, (110), 41 states have return successors, (166), 120 states have call predecessors, (166), 109 states have call successors, (166) [2023-11-24 21:38:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1017 transitions. [2023-11-24 21:38:40,794 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1017 transitions. Word has length 8 [2023-11-24 21:38:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:38:40,795 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 1017 transitions. [2023-11-24 21:38:40,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-24 21:38:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1017 transitions. [2023-11-24 21:38:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 21:38:40,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:38:40,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:38:40,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-24 21:38:41,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 21:38:41,007 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2023-11-24 21:38:41,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:38:41,008 INFO L85 PathProgramCache]: Analyzing trace with hash -2132723485, now seen corresponding path program 1 times [2023-11-24 21:38:41,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:38:41,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281175306] [2023-11-24 21:38:41,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:38:41,009 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 [2023-11-24 21:38:41,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:38:41,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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) [2023-11-24 21:38:41,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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 [2023-11-24 21:38:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:38:41,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 21:38:41,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:38:41,334 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 [2023-11-24 21:38:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:38:41,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:38:41,456 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:38:41,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281175306] [2023-11-24 21:38:41,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281175306] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:38:41,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:38:41,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 21:38:41,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052127459] [2023-11-24 21:38:41,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:38:41,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 21:38:41,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:38:41,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 21:38:41,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 21:38:41,461 INFO L87 Difference]: Start difference. First operand 687 states and 1017 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-11-24 21:38:46,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:38:46,783 INFO L93 Difference]: Finished difference Result 1039 states and 1587 transitions. [2023-11-24 21:38:46,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 21:38:46,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 9 [2023-11-24 21:38:46,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:38:46,794 INFO L225 Difference]: With dead ends: 1039 [2023-11-24 21:38:46,795 INFO L226 Difference]: Without dead ends: 1039 [2023-11-24 21:38:46,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-24 21:38:46,797 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 401 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-24 21:38:46,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1229 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-24 21:38:46,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2023-11-24 21:38:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 969. [2023-11-24 21:38:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 654 states have (on average 1.761467889908257) internal successors, (1152), 771 states have internal predecessors, (1152), 162 states have call successors, (162), 31 states have call predecessors, (162), 42 states have return successors, (264), 172 states have call predecessors, (264), 161 states have call successors, (264) [2023-11-24 21:38:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1578 transitions. [2023-11-24 21:38:46,877 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1578 transitions. Word has length 9 [2023-11-24 21:38:46,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:38:46,877 INFO L495 AbstractCegarLoop]: Abstraction has 969 states and 1578 transitions. [2023-11-24 21:38:46,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-11-24 21:38:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1578 transitions. [2023-11-24 21:38:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 21:38:46,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:38:46,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:38:46,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 21:38:47,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 21:38:47,085 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2023-11-24 21:38:47,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:38:47,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1109959934, now seen corresponding path program 1 times [2023-11-24 21:38:47,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:38:47,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981640209] [2023-11-24 21:38:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:38:47,087 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 [2023-11-24 21:38:47,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:38:47,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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) [2023-11-24 21:38:47,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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 [2023-11-24 21:38:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:38:47,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 21:38:47,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:38:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:38:47,433 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:38:47,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:38:47,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981640209] [2023-11-24 21:38:47,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981640209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:38:47,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:38:47,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 21:38:47,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975544495] [2023-11-24 21:38:47,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:38:47,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 21:38:47,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:38:47,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 21:38:47,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 21:38:47,438 INFO L87 Difference]: Start difference. First operand 969 states and 1578 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 21:38:48,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:38:48,160 INFO L93 Difference]: Finished difference Result 971 states and 1580 transitions. [2023-11-24 21:38:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 21:38:48,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-24 21:38:48,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:38:48,176 INFO L225 Difference]: With dead ends: 971 [2023-11-24 21:38:48,176 INFO L226 Difference]: Without dead ends: 971 [2023-11-24 21:38:48,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 21:38:48,181 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 4 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-24 21:38:48,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1082 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-24 21:38:48,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2023-11-24 21:38:48,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2023-11-24 21:38:48,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 656 states have (on average 1.7591463414634145) internal successors, (1154), 773 states have internal predecessors, (1154), 162 states have call successors, (162), 31 states have call predecessors, (162), 42 states have return successors, (264), 172 states have call predecessors, (264), 161 states have call successors, (264) [2023-11-24 21:38:48,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1580 transitions. [2023-11-24 21:38:48,254 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1580 transitions. Word has length 18 [2023-11-24 21:38:48,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:38:48,255 INFO L495 AbstractCegarLoop]: Abstraction has 971 states and 1580 transitions. [2023-11-24 21:38:48,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 21:38:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1580 transitions. [2023-11-24 21:38:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 21:38:48,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:38:48,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:38:48,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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 [2023-11-24 21:38:48,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 21:38:48,465 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2023-11-24 21:38:48,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:38:48,466 INFO L85 PathProgramCache]: Analyzing trace with hash 630288707, now seen corresponding path program 1 times [2023-11-24 21:38:48,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:38:48,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920509995] [2023-11-24 21:38:48,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:38:48,467 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 [2023-11-24 21:38:48,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:38:48,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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) [2023-11-24 21:38:48,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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 [2023-11-24 21:38:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:38:48,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 21:38:48,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:38:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:38:48,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 21:38:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:38:49,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:38:49,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920509995] [2023-11-24 21:38:49,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920509995] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 21:38:49,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-24 21:38:49,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-24 21:38:49,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539219600] [2023-11-24 21:38:49,019 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-24 21:38:49,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 21:38:49,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:38:49,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 21:38:49,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 21:38:49,022 INFO L87 Difference]: Start difference. First operand 971 states and 1580 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2023-11-24 21:38:50,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:38:50,809 INFO L93 Difference]: Finished difference Result 977 states and 1586 transitions. [2023-11-24 21:38:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 21:38:50,810 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 19 [2023-11-24 21:38:50,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:38:50,819 INFO L225 Difference]: With dead ends: 977 [2023-11-24 21:38:50,819 INFO L226 Difference]: Without dead ends: 977 [2023-11-24 21:38:50,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-24 21:38:50,824 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 6 mSDsluCounter, 2701 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-24 21:38:50,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3242 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-24 21:38:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2023-11-24 21:38:50,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2023-11-24 21:38:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 662 states have (on average 1.7522658610271904) internal successors, (1160), 779 states have internal predecessors, (1160), 162 states have call successors, (162), 31 states have call predecessors, (162), 42 states have return successors, (264), 172 states have call predecessors, (264), 161 states have call successors, (264) [2023-11-24 21:38:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1586 transitions. [2023-11-24 21:38:50,918 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1586 transitions. Word has length 19 [2023-11-24 21:38:50,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:38:50,918 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1586 transitions. [2023-11-24 21:38:50,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2023-11-24 21:38:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1586 transitions. [2023-11-24 21:38:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 21:38:50,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:38:50,919 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:38:50,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-24 21:38:51,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 21:38:51,132 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2023-11-24 21:38:51,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:38:51,132 INFO L85 PathProgramCache]: Analyzing trace with hash 161264314, now seen corresponding path program 1 times [2023-11-24 21:38:51,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:38:51,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158529418] [2023-11-24 21:38:51,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:38:51,133 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 [2023-11-24 21:38:51,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:38:51,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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) [2023-11-24 21:38:51,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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 [2023-11-24 21:38:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:38:51,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 21:38:51,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:38:51,540 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 [2023-11-24 21:38:51,588 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc15#1.base| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_zalloc_#t~malloc15#1.base|)) (= |c_#valid| (store |c_old(#valid)| |ldv_zalloc_#t~malloc15#1.base| (select |c_#valid| |ldv_zalloc_#t~malloc15#1.base|))))) is different from true [2023-11-24 21:38:51,596 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 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-24 21:38:51,613 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 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-24 21:38:51,629 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 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-24 21:38:51,706 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-24 21:38:51,706 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 [2023-11-24 21:38:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 21:38:51,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:38:51,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:38:51,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158529418] [2023-11-24 21:38:51,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158529418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:38:51,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:38:51,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 21:38:51,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085684909] [2023-11-24 21:38:51,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:38:51,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 21:38:51,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:38:51,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 21:38:51,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2023-11-24 21:38:51,731 INFO L87 Difference]: Start difference. First operand 977 states and 1586 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-24 21:38:55,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:38:55,977 INFO L93 Difference]: Finished difference Result 1172 states and 1844 transitions. [2023-11-24 21:38:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 21:38:55,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 22 [2023-11-24 21:38:55,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:38:55,988 INFO L225 Difference]: With dead ends: 1172 [2023-11-24 21:38:55,988 INFO L226 Difference]: Without dead ends: 1172 [2023-11-24 21:38:55,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=20, Unknown=1, NotChecked=8, Total=42 [2023-11-24 21:38:55,989 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 402 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 2296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1087 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-24 21:38:55,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1217 Invalid, 2296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1061 Invalid, 0 Unknown, 1087 Unchecked, 4.1s Time] [2023-11-24 21:38:55,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2023-11-24 21:38:56,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 976. [2023-11-24 21:38:56,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 662 states have (on average 1.7507552870090635) internal successors, (1159), 778 states have internal predecessors, (1159), 162 states have call successors, (162), 31 states have call predecessors, (162), 42 states have return successors, (264), 172 states have call predecessors, (264), 161 states have call successors, (264) [2023-11-24 21:38:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1585 transitions. [2023-11-24 21:38:56,041 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1585 transitions. Word has length 22 [2023-11-24 21:38:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:38:56,042 INFO L495 AbstractCegarLoop]: Abstraction has 976 states and 1585 transitions. [2023-11-24 21:38:56,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-24 21:38:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1585 transitions. [2023-11-24 21:38:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 21:38:56,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:38:56,044 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:38:56,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-24 21:38:56,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 21:38:56,251 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2023-11-24 21:38:56,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:38:56,252 INFO L85 PathProgramCache]: Analyzing trace with hash 704226951, now seen corresponding path program 1 times [2023-11-24 21:38:56,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:38:56,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339532262] [2023-11-24 21:38:56,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:38:56,253 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 [2023-11-24 21:38:56,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:38:56,255 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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) [2023-11-24 21:38:56,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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 [2023-11-24 21:38:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:38:56,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 21:38:56,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:38:56,732 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 [2023-11-24 21:38:56,746 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 [2023-11-24 21:38:56,831 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc15#1.base| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_zalloc_#t~malloc15#1.base|)) (= |c_#length| (store |c_old(#length)| |ldv_zalloc_#t~malloc15#1.base| (select |c_#length| |ldv_zalloc_#t~malloc15#1.base|))))) is different from true [2023-11-24 21:38:56,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 21:38:56,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 21:38:56,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 21:38:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 21:38:57,020 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 [2023-11-24 21:38:57,044 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-24 21:38:57,045 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 [2023-11-24 21:38:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 21:38:57,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:38:57,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:38:57,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339532262] [2023-11-24 21:38:57,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339532262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:38:57,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:38:57,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 21:38:57,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005752276] [2023-11-24 21:38:57,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:38:57,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 21:38:57,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:38:57,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 21:38:57,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2023-11-24 21:38:57,140 INFO L87 Difference]: Start difference. First operand 976 states and 1585 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-24 21:39:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:39:03,309 INFO L93 Difference]: Finished difference Result 1475 states and 2389 transitions. [2023-11-24 21:39:03,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 21:39:03,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 23 [2023-11-24 21:39:03,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:39:03,334 INFO L225 Difference]: With dead ends: 1475 [2023-11-24 21:39:03,335 INFO L226 Difference]: Without dead ends: 1475 [2023-11-24 21:39:03,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=37, Unknown=1, NotChecked=12, Total=72 [2023-11-24 21:39:03,336 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 792 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 2869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1362 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-24 21:39:03,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 1248 Invalid, 2869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 1296 Invalid, 0 Unknown, 1362 Unchecked, 6.0s Time] [2023-11-24 21:39:03,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2023-11-24 21:39:03,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1111. [2023-11-24 21:39:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 773 states have (on average 1.7542043984476068) internal successors, (1356), 889 states have internal predecessors, (1356), 187 states have call successors, (187), 31 states have call predecessors, (187), 42 states have return successors, (310), 197 states have call predecessors, (310), 186 states have call successors, (310) [2023-11-24 21:39:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1853 transitions. [2023-11-24 21:39:03,394 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1853 transitions. Word has length 23 [2023-11-24 21:39:03,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:39:03,395 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 1853 transitions. [2023-11-24 21:39:03,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-24 21:39:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1853 transitions. [2023-11-24 21:39:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 21:39:03,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:39:03,401 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:39:03,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-24 21:39:03,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 21:39:03,607 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2023-11-24 21:39:03,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:39:03,608 INFO L85 PathProgramCache]: Analyzing trace with hash -422878398, now seen corresponding path program 2 times [2023-11-24 21:39:03,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:39:03,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946611810] [2023-11-24 21:39:03,609 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 21:39:03,609 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 [2023-11-24 21:39:03,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:39:03,610 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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) [2023-11-24 21:39:03,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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 [2023-11-24 21:39:03,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-24 21:39:03,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 21:39:03,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 21:39:03,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:39:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 21:39:03,957 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:39:03,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:39:03,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946611810] [2023-11-24 21:39:03,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946611810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:39:03,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:39:03,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 21:39:03,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612430513] [2023-11-24 21:39:03,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:39:03,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:39:03,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:39:03,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:39:03,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:39:03,960 INFO L87 Difference]: Start difference. First operand 1111 states and 1853 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-24 21:39:04,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:39:04,900 INFO L93 Difference]: Finished difference Result 2176 states and 3625 transitions. [2023-11-24 21:39:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:39:04,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22 [2023-11-24 21:39:04,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:39:04,922 INFO L225 Difference]: With dead ends: 2176 [2023-11-24 21:39:04,922 INFO L226 Difference]: Without dead ends: 2176 [2023-11-24 21:39:04,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:39:04,924 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 573 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-24 21:39:04,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 1078 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-24 21:39:04,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2023-11-24 21:39:05,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2064. [2023-11-24 21:39:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2064 states, 1509 states have (on average 1.757455268389662) internal successors, (2652), 1633 states have internal predecessors, (2652), 364 states have call successors, (364), 60 states have call predecessors, (364), 82 states have return successors, (605), 384 states have call predecessors, (605), 363 states have call successors, (605) [2023-11-24 21:39:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 3621 transitions. [2023-11-24 21:39:05,027 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 3621 transitions. Word has length 22 [2023-11-24 21:39:05,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:39:05,027 INFO L495 AbstractCegarLoop]: Abstraction has 2064 states and 3621 transitions. [2023-11-24 21:39:05,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-24 21:39:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 3621 transitions. [2023-11-24 21:39:05,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 21:39:05,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:39:05,029 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:39:05,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-24 21:39:05,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 21:39:05,234 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, tegra_rtc_procErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2023-11-24 21:39:05,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:39:05,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1652847304, now seen corresponding path program 1 times [2023-11-24 21:39:05,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 21:39:05,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643704345] [2023-11-24 21:39:05,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:39:05,236 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 [2023-11-24 21:39:05,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 21:39:05,238 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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) [2023-11-24 21:39:05,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110f3728-d368-424e-aa26-f1ba7d9d8f50/bin/uautomizer-verify-NlZe1sFDwI/mathsat -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 [2023-11-24 21:39:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:39:05,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 21:39:05,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:39:05,931 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#ldvarg2~0#1.base_22| (_ BitVec 64))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#ldvarg2~0#1.base_22| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#ldvarg2~0#1.base_22|)))) is different from true [2023-11-24 21:39:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 21:39:05,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:39:05,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 21:39:05,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643704345] [2023-11-24 21:39:05,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643704345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:39:05,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:39:05,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 21:39:05,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239312846] [2023-11-24 21:39:05,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:39:05,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 21:39:05,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 21:39:05,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 21:39:05,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2023-11-24 21:39:05,935 INFO L87 Difference]: Start difference. First operand 2064 states and 3621 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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)