./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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/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_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme --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 [2023-11-26 11:55:27,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:28,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-26 11:55:28,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:28,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:28,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:28,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:28,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:28,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:55:28,063 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:55:28,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:28,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:28,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:28,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:28,069 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:28,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:28,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:55:28,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:28,071 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 11:55:28,072 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 11:55:28,072 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 11:55:28,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:28,074 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:55:28,074 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:55:28,075 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:28,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:28,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:28,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:55:28,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:28,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:28,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:28,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:28,080 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:55:28,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:55:28,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:28,081 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:28,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:28,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:28,082 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_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2023-11-26 11:55:28,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:28,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:28,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:28,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:28,465 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:28,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-26 11:55:31,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:55:32,163 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:55:32,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-26 11:55:32,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/data/95c21c881/ebb52ef6731145eba22c456b551f2355/FLAG7e6a1184d [2023-11-26 11:55:32,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/data/95c21c881/ebb52ef6731145eba22c456b551f2355 [2023-11-26 11:55:32,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:55:32,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:55:32,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:32,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:55:32,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:55:32,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:32" (1/1) ... [2023-11-26 11:55:32,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4171cbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:32, skipping insertion in model container [2023-11-26 11:55:32,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:32" (1/1) ... [2023-11-26 11:55:32,393 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:55:33,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:55:33,187 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) [2023-11-26 11:55:33,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56701d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:33, skipping insertion in model container [2023-11-26 11:55:33,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:33,189 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 11:55:33,191 INFO L158 Benchmark]: Toolchain (without parser) took 968.27ms. Allocated memory is still 176.2MB. Free memory was 146.4MB in the beginning and 114.7MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-26 11:55:33,191 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 121.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:55:33,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 965.78ms. Allocated memory is still 176.2MB. Free memory was 146.4MB in the beginning and 114.7MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-26 11:55:33,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 121.6MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 965.78ms. Allocated memory is still 176.2MB. Free memory was 146.4MB in the beginning and 114.7MB in the end (delta: 31.8MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/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_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme --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 [2023-11-26 11:55:36,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:36,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-26 11:55:36,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:36,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:36,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:36,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:36,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:36,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:55:36,292 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:55:36,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:36,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:36,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:36,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:36,298 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:36,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:36,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:55:36,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:36,300 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 11:55:36,302 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 11:55:36,303 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 11:55:36,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:36,304 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:55:36,305 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:55:36,305 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:55:36,306 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:55:36,307 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:36,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:36,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:36,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:55:36,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:36,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:36,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:36,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:36,312 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:55:36,313 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:55:36,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:36,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:36,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:36,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:36,316 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:55:36,316 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_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2023-11-26 11:55:36,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:36,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:36,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:36,852 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:36,853 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:36,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-26 11:55:40,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:55:40,793 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:55:40,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-26 11:55:40,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/data/0c1f2326e/184a9f88576540aa9a72432b440be165/FLAG3fae1a330 [2023-11-26 11:55:40,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/data/0c1f2326e/184a9f88576540aa9a72432b440be165 [2023-11-26 11:55:40,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:55:40,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:55:40,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:40,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:55:40,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:55:40,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:40" (1/1) ... [2023-11-26 11:55:40,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6eafc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:40, skipping insertion in model container [2023-11-26 11:55:40,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:40" (1/1) ... [2023-11-26 11:55:41,002 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:55:41,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:55:41,912 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-26 11:55:41,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:55:42,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:55:42,171 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:55:42,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:55:42,438 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:55:42,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42 WrapperNode [2023-11-26 11:55:42,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:42,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:55:42,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:55:42,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:55:42,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,580 INFO L138 Inliner]: procedures = 121, calls = 369, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 821 [2023-11-26 11:55:42,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:55:42,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:55:42,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:55:42,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:55:42,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,678 INFO L175 MemorySlicer]: Split 88 memory accesses to 9 slices as follows [10, 2, 4, 26, 10, 3, 11, 20, 2]. 30 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [0, 2, 0, 0, 0, 0, 11, 20, 0]. The 16 writes are split as follows [3, 0, 1, 1, 9, 2, 0, 0, 0]. [2023-11-26 11:55:42,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:55:42,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:55:42,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:55:42,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:55:42,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (1/1) ... [2023-11-26 11:55:42,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:42,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:42,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:42,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:55:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-26 11:55:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-26 11:55:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 11:55:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 11:55:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-26 11:55:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-26 11:55:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-26 11:55:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-26 11:55:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-26 11:55:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-26 11:55:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-11-26 11:55:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2023-11-26 11:55:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2023-11-26 11:55:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2023-11-26 11:55:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2023-11-26 11:55:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2023-11-26 11:55:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2023-11-26 11:55:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2023-11-26 11:55:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2023-11-26 11:55:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2023-11-26 11:55:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 11:55:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 11:55:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-26 11:55:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-26 11:55:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-26 11:55:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-26 11:55:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-26 11:55:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-26 11:55:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-26 11:55:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 11:55:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 11:55:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2023-11-26 11:55:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2023-11-26 11:55:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2023-11-26 11:55:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2023-11-26 11:55:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2023-11-26 11:55:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2023-11-26 11:55:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2023-11-26 11:55:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2023-11-26 11:55:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2023-11-26 11:55:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2023-11-26 11:55:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2023-11-26 11:55:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2023-11-26 11:55:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:55:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:55:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2023-11-26 11:55:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2023-11-26 11:55:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-26 11:55:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-26 11:55:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 11:55:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 11:55:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2023-11-26 11:55:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2023-11-26 11:55:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:55:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:55:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2023-11-26 11:55:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2023-11-26 11:55:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2023-11-26 11:55:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2023-11-26 11:55:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2023-11-26 11:55:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2023-11-26 11:55:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:55:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:55:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:55:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:55:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2023-11-26 11:55:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2023-11-26 11:55:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:55:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-26 11:55:42,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-26 11:55:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:55:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:55:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:55:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:55:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:55:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:55:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:55:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:55:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:55:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-26 11:55:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-26 11:55:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2023-11-26 11:55:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2023-11-26 11:55:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 11:55:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 11:55:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-26 11:55:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-26 11:55:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2023-11-26 11:55:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2023-11-26 11:55:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2023-11-26 11:55:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2023-11-26 11:55:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2023-11-26 11:55:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2023-11-26 11:55:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2023-11-26 11:55:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2023-11-26 11:55:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2023-11-26 11:55:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 11:55:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 11:55:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-26 11:55:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-26 11:55:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-26 11:55:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-26 11:55:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-26 11:55:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-26 11:55:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-11-26 11:55:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 11:55:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 11:55:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-26 11:55:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-26 11:55:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-26 11:55:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-26 11:55:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-26 11:55:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-26 11:55:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-26 11:55:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:55:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-26 11:55:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-26 11:55:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:55:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:55:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:55:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:55:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:55:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:55:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:55:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:55:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:55:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-26 11:55:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-26 11:55:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:55:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 11:55:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 11:55:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-26 11:55:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-26 11:55:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-26 11:55:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-26 11:55:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-26 11:55:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-26 11:55:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 11:55:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 11:55:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2023-11-26 11:55:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2023-11-26 11:55:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2023-11-26 11:55:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2023-11-26 11:55:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-26 11:55:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-26 11:55:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-26 11:55:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-26 11:55:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2023-11-26 11:55:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2023-11-26 11:55:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:55:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:55:43,424 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:55:43,430 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:55:43,484 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 11:55:46,055 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:55:46,239 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:55:46,240 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:55:46,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:55:46 BoogieIcfgContainer [2023-11-26 11:55:46,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:55:46,249 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:55:46,249 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:55:46,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:55:46,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:55:40" (1/3) ... [2023-11-26 11:55:46,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a66d7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:55:46, skipping insertion in model container [2023-11-26 11:55:46,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:42" (2/3) ... [2023-11-26 11:55:46,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a66d7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:55:46, skipping insertion in model container [2023-11-26 11:55:46,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:55:46" (3/3) ... [2023-11-26 11:55:46,260 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-26 11:55:46,280 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:55:46,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2023-11-26 11:55:46,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:55:46,374 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;@19631acc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:55:46,375 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2023-11-26 11:55:46,382 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) [2023-11-26 11:55:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-26 11:55:46,392 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:55:46,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:46,393 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)] === [2023-11-26 11:55:46,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:46,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1869912866, now seen corresponding path program 1 times [2023-11-26 11:55:46,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:55:46,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306934611] [2023-11-26 11:55:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:46,416 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 [2023-11-26 11:55:46,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:55:46,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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) [2023-11-26 11:55:46,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:55:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:46,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:55:46,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:55:46,864 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 [2023-11-26 11:55:46,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:46,925 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:55:46,926 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:55:46,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306934611] [2023-11-26 11:55:46,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306934611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:46,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:46,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:55:46,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866507351] [2023-11-26 11:55:46,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:46,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:55:46,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:55:46,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:55:46,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:55:46,977 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) [2023-11-26 11:55:51,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:55:51,356 INFO L93 Difference]: Finished difference Result 789 states and 1085 transitions. [2023-11-26 11:55:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:55:51,359 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 [2023-11-26 11:55:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:55:51,381 INFO L225 Difference]: With dead ends: 789 [2023-11-26 11:55:51,381 INFO L226 Difference]: Without dead ends: 776 [2023-11-26 11:55:51,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:55:51,387 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 412 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:55:51,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1262 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-26 11:55:51,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2023-11-26 11:55:51,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 687. [2023-11-26 11:55:51,490 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) [2023-11-26 11:55:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1017 transitions. [2023-11-26 11:55:51,500 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1017 transitions. Word has length 8 [2023-11-26 11:55:51,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:55:51,502 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 1017 transitions. [2023-11-26 11:55:51,502 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) [2023-11-26 11:55:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1017 transitions. [2023-11-26 11:55:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 11:55:51,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:55:51,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:51,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:55:51,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:55:51,709 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)] === [2023-11-26 11:55:51,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:51,710 INFO L85 PathProgramCache]: Analyzing trace with hash -2132723485, now seen corresponding path program 1 times [2023-11-26 11:55:51,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:55:51,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441962369] [2023-11-26 11:55:51,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:51,712 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 [2023-11-26 11:55:51,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:55:51,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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) [2023-11-26 11:55:51,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:55:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:52,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 11:55:52,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:55:52,013 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 [2023-11-26 11:55:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:52,135 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:55:52,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:55:52,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441962369] [2023-11-26 11:55:52,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441962369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:52,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:52,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:55:52,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232679062] [2023-11-26 11:55:52,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:52,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:55:52,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:55:52,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:55:52,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:55:52,145 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) [2023-11-26 11:55:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:55:57,326 INFO L93 Difference]: Finished difference Result 1039 states and 1587 transitions. [2023-11-26 11:55:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:55:57,333 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 [2023-11-26 11:55:57,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:55:57,352 INFO L225 Difference]: With dead ends: 1039 [2023-11-26 11:55:57,352 INFO L226 Difference]: Without dead ends: 1039 [2023-11-26 11:55:57,358 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 [2023-11-26 11:55:57,361 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 401 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 5.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:55:57,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1229 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-26 11:55:57,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2023-11-26 11:55:57,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 969. [2023-11-26 11:55:57,456 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) [2023-11-26 11:55:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1578 transitions. [2023-11-26 11:55:57,471 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1578 transitions. Word has length 9 [2023-11-26 11:55:57,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:55:57,471 INFO L495 AbstractCegarLoop]: Abstraction has 969 states and 1578 transitions. [2023-11-26 11:55:57,472 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) [2023-11-26 11:55:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1578 transitions. [2023-11-26 11:55:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 11:55:57,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:55:57,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:57,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:55:57,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:55:57,684 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)] === [2023-11-26 11:55:57,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:57,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1109959934, now seen corresponding path program 1 times [2023-11-26 11:55:57,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:55:57,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103975670] [2023-11-26 11:55:57,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:57,687 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 [2023-11-26 11:55:57,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:55:57,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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) [2023-11-26 11:55:57,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:55:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:58,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:55:58,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:55:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:58,052 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:55:58,052 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:55:58,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103975670] [2023-11-26 11:55:58,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103975670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:58,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:58,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:55:58,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895273899] [2023-11-26 11:55:58,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:58,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:55:58,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:55:58,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:55:58,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:55:58,055 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) [2023-11-26 11:55:58,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:55:58,703 INFO L93 Difference]: Finished difference Result 971 states and 1580 transitions. [2023-11-26 11:55:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:55:58,703 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 [2023-11-26 11:55:58,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:55:58,711 INFO L225 Difference]: With dead ends: 971 [2023-11-26 11:55:58,711 INFO L226 Difference]: Without dead ends: 971 [2023-11-26 11:55:58,711 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 [2023-11-26 11:55:58,713 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 4 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:55:58,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1082 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 11:55:58,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2023-11-26 11:55:58,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2023-11-26 11:55:58,752 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) [2023-11-26 11:55:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1580 transitions. [2023-11-26 11:55:58,762 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1580 transitions. Word has length 18 [2023-11-26 11:55:58,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:55:58,762 INFO L495 AbstractCegarLoop]: Abstraction has 971 states and 1580 transitions. [2023-11-26 11:55:58,763 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) [2023-11-26 11:55:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1580 transitions. [2023-11-26 11:55:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-26 11:55:58,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:55:58,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:58,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:58,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:55:58,982 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)] === [2023-11-26 11:55:58,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:58,983 INFO L85 PathProgramCache]: Analyzing trace with hash 630288707, now seen corresponding path program 1 times [2023-11-26 11:55:58,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:55:58,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170515850] [2023-11-26 11:55:58,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:58,984 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 [2023-11-26 11:55:58,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:55:58,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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) [2023-11-26 11:55:58,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:55:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:59,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:55:59,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:55:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:59,368 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:55:59,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:59,500 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:55:59,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170515850] [2023-11-26 11:55:59,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170515850] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:55:59,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:55:59,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-26 11:55:59,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633205457] [2023-11-26 11:55:59,501 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:55:59,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:55:59,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:55:59,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:55:59,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:55:59,503 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) [2023-11-26 11:56:01,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:01,256 INFO L93 Difference]: Finished difference Result 977 states and 1586 transitions. [2023-11-26 11:56:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:56:01,257 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 [2023-11-26 11:56:01,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:01,264 INFO L225 Difference]: With dead ends: 977 [2023-11-26 11:56:01,265 INFO L226 Difference]: Without dead ends: 977 [2023-11-26 11:56:01,265 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 [2023-11-26 11:56:01,266 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 [2023-11-26 11:56:01,267 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] [2023-11-26 11:56:01,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2023-11-26 11:56:01,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2023-11-26 11:56:01,303 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) [2023-11-26 11:56:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1586 transitions. [2023-11-26 11:56:01,313 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1586 transitions. Word has length 19 [2023-11-26 11:56:01,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:01,313 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1586 transitions. [2023-11-26 11:56:01,313 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) [2023-11-26 11:56:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1586 transitions. [2023-11-26 11:56:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 11:56:01,315 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:01,315 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:01,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:56:01,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:56:01,526 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)] === [2023-11-26 11:56:01,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:01,527 INFO L85 PathProgramCache]: Analyzing trace with hash 161264314, now seen corresponding path program 1 times [2023-11-26 11:56:01,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:01,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193470170] [2023-11-26 11:56:01,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:01,528 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 [2023-11-26 11:56:01,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:01,529 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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) [2023-11-26 11:56:01,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:56:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:01,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 11:56:01,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:01,914 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 [2023-11-26 11:56:01,965 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 [2023-11-26 11:56:01,984 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 [2023-11-26 11:56:02,009 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 [2023-11-26 11:56:02,040 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 [2023-11-26 11:56:02,150 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-26 11:56:02,152 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 [2023-11-26 11:56:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:56:02,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:02,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:02,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193470170] [2023-11-26 11:56:02,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193470170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:02,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:02,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:02,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458763384] [2023-11-26 11:56:02,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:02,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:02,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:02,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:02,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2023-11-26 11:56:02,181 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) [2023-11-26 11:56:06,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:06,217 INFO L93 Difference]: Finished difference Result 1172 states and 1844 transitions. [2023-11-26 11:56:06,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:06,218 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 [2023-11-26 11:56:06,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:06,227 INFO L225 Difference]: With dead ends: 1172 [2023-11-26 11:56:06,227 INFO L226 Difference]: Without dead ends: 1172 [2023-11-26 11:56:06,228 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 [2023-11-26 11:56:06,229 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 402 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:06,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1217 Invalid, 2296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1061 Invalid, 0 Unknown, 1087 Unchecked, 3.9s Time] [2023-11-26 11:56:06,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2023-11-26 11:56:06,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 976. [2023-11-26 11:56:06,290 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) [2023-11-26 11:56:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1585 transitions. [2023-11-26 11:56:06,298 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1585 transitions. Word has length 22 [2023-11-26 11:56:06,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:06,299 INFO L495 AbstractCegarLoop]: Abstraction has 976 states and 1585 transitions. [2023-11-26 11:56:06,299 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) [2023-11-26 11:56:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1585 transitions. [2023-11-26 11:56:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-26 11:56:06,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:06,301 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] [2023-11-26 11:56:06,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:56:06,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:56:06,506 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)] === [2023-11-26 11:56:06,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:06,507 INFO L85 PathProgramCache]: Analyzing trace with hash 704226951, now seen corresponding path program 1 times [2023-11-26 11:56:06,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:06,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772253005] [2023-11-26 11:56:06,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:06,508 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 [2023-11-26 11:56:06,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:06,509 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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) [2023-11-26 11:56:06,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:56:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:06,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 11:56:06,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:06,958 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 [2023-11-26 11:56:06,970 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 [2023-11-26 11:56:07,057 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 [2023-11-26 11:56:07,071 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 [2023-11-26 11:56:07,099 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 [2023-11-26 11:56:07,123 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 [2023-11-26 11:56:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:56:07,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-26 11:56:07,209 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-26 11:56:07,209 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 [2023-11-26 11:56:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:56:07,285 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:07,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:07,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772253005] [2023-11-26 11:56:07,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772253005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:07,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:07,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:56:07,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663251876] [2023-11-26 11:56:07,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:07,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:56:07,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:07,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:56:07,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2023-11-26 11:56:07,287 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) [2023-11-26 11:56:13,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:13,825 INFO L93 Difference]: Finished difference Result 1475 states and 2389 transitions. [2023-11-26 11:56:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:56:13,826 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 [2023-11-26 11:56:13,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:13,838 INFO L225 Difference]: With dead ends: 1475 [2023-11-26 11:56:13,838 INFO L226 Difference]: Without dead ends: 1475 [2023-11-26 11:56:13,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=37, Unknown=1, NotChecked=12, Total=72 [2023-11-26 11:56:13,839 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 792 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s 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, 6.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:13,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 1248 Invalid, 2869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 1296 Invalid, 0 Unknown, 1362 Unchecked, 6.3s Time] [2023-11-26 11:56:13,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2023-11-26 11:56:13,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1111. [2023-11-26 11:56:13,901 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) [2023-11-26 11:56:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1853 transitions. [2023-11-26 11:56:13,909 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1853 transitions. Word has length 23 [2023-11-26 11:56:13,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:13,910 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 1853 transitions. [2023-11-26 11:56:13,910 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) [2023-11-26 11:56:13,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1853 transitions. [2023-11-26 11:56:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 11:56:13,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:13,916 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:13,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-26 11:56:14,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:56:14,122 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)] === [2023-11-26 11:56:14,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:14,123 INFO L85 PathProgramCache]: Analyzing trace with hash -422878398, now seen corresponding path program 2 times [2023-11-26 11:56:14,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:14,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63399918] [2023-11-26 11:56:14,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:56:14,124 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 [2023-11-26 11:56:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:14,126 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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) [2023-11-26 11:56:14,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:56:14,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-26 11:56:14,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:56:14,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:56:14,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 11:56:14,467 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:14,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:14,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63399918] [2023-11-26 11:56:14,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63399918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:14,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:14,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:56:14,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209324496] [2023-11-26 11:56:14,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:14,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:56:14,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:14,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:14,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:14,470 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) [2023-11-26 11:56:15,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:15,207 INFO L93 Difference]: Finished difference Result 2176 states and 3625 transitions. [2023-11-26 11:56:15,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:15,207 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 [2023-11-26 11:56:15,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:15,223 INFO L225 Difference]: With dead ends: 2176 [2023-11-26 11:56:15,223 INFO L226 Difference]: Without dead ends: 2176 [2023-11-26 11:56:15,224 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 [2023-11-26 11:56:15,224 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 573 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:15,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 1078 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 11:56:15,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2023-11-26 11:56:15,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2064. [2023-11-26 11:56:15,304 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) [2023-11-26 11:56:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 3621 transitions. [2023-11-26 11:56:15,318 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 3621 transitions. Word has length 22 [2023-11-26 11:56:15,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:15,319 INFO L495 AbstractCegarLoop]: Abstraction has 2064 states and 3621 transitions. [2023-11-26 11:56:15,319 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) [2023-11-26 11:56:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 3621 transitions. [2023-11-26 11:56:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-26 11:56:15,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:15,321 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] [2023-11-26 11:56:15,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:56:15,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:56:15,526 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)] === [2023-11-26 11:56:15,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:15,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1652847304, now seen corresponding path program 1 times [2023-11-26 11:56:15,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:56:15,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299226520] [2023-11-26 11:56:15,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:15,527 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 [2023-11-26 11:56:15,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:56:15,552 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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) [2023-11-26 11:56:15,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074da60a-625d-4ca9-a320-22f6fcaa5a78/bin/uautomizer-verify-VRDe98Ueme/mathsat -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 [2023-11-26 11:56:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:15,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 11:56:15,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:16,161 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 [2023-11-26 11:56:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 11:56:16,162 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:16,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:56:16,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299226520] [2023-11-26 11:56:16,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299226520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:16,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:16,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:56:16,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537002220] [2023-11-26 11:56:16,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:16,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:56:16,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:56:16,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:56:16,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2023-11-26 11:56:16,165 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)