./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/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_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu --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 0.2.3-dev-9bd2c7f [2023-11-19 07:47:34,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:34,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-19 07:47:34,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:34,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:34,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:34,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:34,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:34,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:34,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:34,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:34,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:34,282 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:34,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:34,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:34,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:34,286 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:47:34,286 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:47:34,287 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:47:34,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:34,288 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:47:34,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:47:34,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:34,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:34,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:34,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:34,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:34,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:34,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:34,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:34,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:34,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:34,296 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:34,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:34,296 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:34,297 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_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2023-11-19 07:47:34,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:34,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:34,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:34,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:34,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:34,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-19 07:47:37,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:38,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:38,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-19 07:47:38,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/data/564aa4e08/9ffcf187a93c448d924c5f96d53e4332/FLAG9659dbcec [2023-11-19 07:47:38,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/data/564aa4e08/9ffcf187a93c448d924c5f96d53e4332 [2023-11-19 07:47:38,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:38,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:38,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:38,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:38,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:38,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:38" (1/1) ... [2023-11-19 07:47:38,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb356b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:38, skipping insertion in model container [2023-11-19 07:47:38,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:38" (1/1) ... [2023-11-19 07:47:38,482 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:39,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:39,374 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) [2023-11-19 07:47:39,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3509f92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:39, skipping insertion in model container [2023-11-19 07:47:39,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:39,376 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:47:39,379 INFO L158 Benchmark]: Toolchain (without parser) took 1039.70ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 76.4MB in the beginning and 109.9MB in the end (delta: -33.6MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-19 07:47:39,379 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:39,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1033.90ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 76.0MB in the beginning and 109.9MB in the end (delta: -33.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-19 07:47:39,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1033.90ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 76.0MB in the beginning and 109.9MB in the end (delta: -33.9MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1836]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/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_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu --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 0.2.3-dev-9bd2c7f [2023-11-19 07:47:42,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:42,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-19 07:47:42,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:42,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:42,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:42,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:42,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:42,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:42,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:42,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:42,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:42,249 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:42,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:42,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:42,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:42,252 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:47:42,253 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:47:42,254 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:47:42,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:42,255 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:47:42,256 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:47:42,256 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:47:42,257 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:47:42,258 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:42,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:42,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:42,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:42,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:42,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:42,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:42,261 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:47:42,262 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:47:42,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:42,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:42,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:42,264 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:47:42,265 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:42,265 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_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2023-11-19 07:47:42,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:42,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:42,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:42,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:42,745 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:42,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-19 07:47:46,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:46,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:46,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-19 07:47:46,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/data/cf2b76e77/759b53ce50a441be91c0fd4b9a3631f9/FLAG788828fca [2023-11-19 07:47:46,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/data/cf2b76e77/759b53ce50a441be91c0fd4b9a3631f9 [2023-11-19 07:47:46,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:46,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:46,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:46,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:46,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:46,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:46" (1/1) ... [2023-11-19 07:47:46,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c679d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:46, skipping insertion in model container [2023-11-19 07:47:46,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:46" (1/1) ... [2023-11-19 07:47:46,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:47,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:47,629 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:47:47,648 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:47,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:47,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:48,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:48,082 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:48,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48 WrapperNode [2023-11-19 07:47:48,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:48,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:48,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:48,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:48,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,193 INFO L138 Inliner]: procedures = 121, calls = 369, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 817 [2023-11-19 07:47:48,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:48,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:48,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:48,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:48,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:48,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:48,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:48,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:48,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (1/1) ... [2023-11-19 07:47:48,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:48,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:48,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:48,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 07:47:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 07:47:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 07:47:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 07:47:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:47:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:47:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:47:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2023-11-19 07:47:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2023-11-19 07:47:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2023-11-19 07:47:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2023-11-19 07:47:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2023-11-19 07:47:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2023-11-19 07:47:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2023-11-19 07:47:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2023-11-19 07:47:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2023-11-19 07:47:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2023-11-19 07:47:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2023-11-19 07:47:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2023-11-19 07:47:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:47:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:47:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2023-11-19 07:47:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2023-11-19 07:47:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:47:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:47:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:47:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:47:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2023-11-19 07:47:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2023-11-19 07:47:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:47:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:47:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2023-11-19 07:47:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2023-11-19 07:47:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2023-11-19 07:47:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2023-11-19 07:47:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2023-11-19 07:47:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2023-11-19 07:47:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:47:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2023-11-19 07:47:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2023-11-19 07:47:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:47:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:47:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:47:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:47:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:47:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2023-11-19 07:47:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2023-11-19 07:47:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:47:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:47:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-19 07:47:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-19 07:47:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 07:47:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 07:47:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:47:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-19 07:47:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-19 07:47:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:47:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-19 07:47:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-19 07:47:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:47:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:47:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:47:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2023-11-19 07:47:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2023-11-19 07:47:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2023-11-19 07:47:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2023-11-19 07:47:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-19 07:47:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-19 07:47:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:47:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:47:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2023-11-19 07:47:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2023-11-19 07:47:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:48,807 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:48,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:49,489 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:47:51,233 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:51,248 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:51,248 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:47:51,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:51 BoogieIcfgContainer [2023-11-19 07:47:51,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:51,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:51,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:51,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:51,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:46" (1/3) ... [2023-11-19 07:47:51,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52111936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:51, skipping insertion in model container [2023-11-19 07:47:51,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:48" (2/3) ... [2023-11-19 07:47:51,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52111936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:51, skipping insertion in model container [2023-11-19 07:47:51,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:51" (3/3) ... [2023-11-19 07:47:51,285 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-19 07:47:51,305 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:51,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2023-11-19 07:47:51,364 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:51,371 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;@2787d3b8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:51,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2023-11-19 07:47:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 573 states, 350 states have (on average 1.58) internal successors, (553), 470 states have internal predecessors, (553), 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) [2023-11-19 07:47:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 07:47:51,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:51,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:51,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:47:51,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:51,394 INFO L85 PathProgramCache]: Analyzing trace with hash 273930939, now seen corresponding path program 1 times [2023-11-19 07:47:51,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:51,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44932443] [2023-11-19 07:47:51,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:51,415 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 [2023-11-19 07:47:51,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:51,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:47:51,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:47:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:51,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:47:51,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:51,820 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 [2023-11-19 07:47:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:51,891 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:51,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:51,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44932443] [2023-11-19 07:47:51,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44932443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:51,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:51,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:47:51,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022073836] [2023-11-19 07:47:51,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:51,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:51,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:51,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:51,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:51,931 INFO L87 Difference]: Start difference. First operand has 573 states, 350 states have (on average 1.58) internal successors, (553), 470 states have internal predecessors, (553), 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 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2023-11-19 07:47:56,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:56,071 INFO L93 Difference]: Finished difference Result 911 states and 1207 transitions. [2023-11-19 07:47:56,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:47:56,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 10 [2023-11-19 07:47:56,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:56,115 INFO L225 Difference]: With dead ends: 911 [2023-11-19 07:47:56,115 INFO L226 Difference]: Without dead ends: 897 [2023-11-19 07:47:56,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:47:56,124 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 483 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:56,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1557 Invalid, 1245 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [160 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-19 07:47:56,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2023-11-19 07:47:56,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 800. [2023-11-19 07:47:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 538 states have (on average 1.587360594795539) internal successors, (854), 652 states have internal predecessors, (854), 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) [2023-11-19 07:47:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1130 transitions. [2023-11-19 07:47:56,273 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1130 transitions. Word has length 10 [2023-11-19 07:47:56,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:56,274 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 1130 transitions. [2023-11-19 07:47:56,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2023-11-19 07:47:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1130 transitions. [2023-11-19 07:47:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:47:56,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:56,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:56,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:56,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:56,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:47:56,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:56,484 INFO L85 PathProgramCache]: Analyzing trace with hash -98074979, now seen corresponding path program 1 times [2023-11-19 07:47:56,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:56,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686243804] [2023-11-19 07:47:56,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:56,485 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 [2023-11-19 07:47:56,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:56,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:47:56,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:47:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:56,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:47:56,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:56,744 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 [2023-11-19 07:47:56,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:56,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:56,931 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:56,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686243804] [2023-11-19 07:47:56,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686243804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:56,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:56,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:47:56,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570710762] [2023-11-19 07:47:56,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:56,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:56,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:56,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:56,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:56,935 INFO L87 Difference]: Start difference. First operand 800 states and 1130 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2023-11-19 07:48:01,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:01,668 INFO L93 Difference]: Finished difference Result 1190 states and 1738 transitions. [2023-11-19 07:48:01,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:48:01,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 11 [2023-11-19 07:48:01,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:01,681 INFO L225 Difference]: With dead ends: 1190 [2023-11-19 07:48:01,681 INFO L226 Difference]: Without dead ends: 1190 [2023-11-19 07:48:01,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:01,683 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 472 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:01,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 1710 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-19 07:48:01,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2023-11-19 07:48:01,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1117. [2023-11-19 07:48:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 802 states have (on average 1.6209476309226933) internal successors, (1300), 919 states have internal predecessors, (1300), 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) [2023-11-19 07:48:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1726 transitions. [2023-11-19 07:48:01,809 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1726 transitions. Word has length 11 [2023-11-19 07:48:01,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:01,809 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1726 transitions. [2023-11-19 07:48:01,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2023-11-19 07:48:01,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1726 transitions. [2023-11-19 07:48:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:48:01,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:01,813 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, 1, 1, 1] [2023-11-19 07:48:01,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:02,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:02,018 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:02,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:02,019 INFO L85 PathProgramCache]: Analyzing trace with hash -623848386, now seen corresponding path program 1 times [2023-11-19 07:48:02,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:02,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326352790] [2023-11-19 07:48:02,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:02,020 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 [2023-11-19 07:48:02,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:02,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:02,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:02,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:48:02,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:02,426 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 [2023-11-19 07:48:02,480 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 [2023-11-19 07:48:02,499 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 [2023-11-19 07:48:02,518 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 [2023-11-19 07:48:02,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-19 07:48:02,664 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-19 07:48:02,665 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 [2023-11-19 07:48:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:48:02,692 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:02,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:02,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326352790] [2023-11-19 07:48:02,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326352790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:02,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:02,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:48:02,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528580739] [2023-11-19 07:48:02,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:02,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:48:02,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:02,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:02,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2023-11-19 07:48:02,695 INFO L87 Difference]: Start difference. First operand 1117 states and 1726 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2023-11-19 07:48:06,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:06,405 INFO L93 Difference]: Finished difference Result 1328 states and 2000 transitions. [2023-11-19 07:48:06,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:06,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 26 [2023-11-19 07:48:06,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:06,421 INFO L225 Difference]: With dead ends: 1328 [2023-11-19 07:48:06,421 INFO L226 Difference]: Without dead ends: 1328 [2023-11-19 07:48:06,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=20, Unknown=1, NotChecked=8, Total=42 [2023-11-19 07:48:06,423 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 472 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 2410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1208 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:06,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 1593 Invalid, 2410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1058 Invalid, 0 Unknown, 1208 Unchecked, 3.6s Time] [2023-11-19 07:48:06,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2023-11-19 07:48:06,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1116. [2023-11-19 07:48:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 802 states have (on average 1.619700748129676) internal successors, (1299), 918 states have internal predecessors, (1299), 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) [2023-11-19 07:48:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1725 transitions. [2023-11-19 07:48:06,483 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1725 transitions. Word has length 26 [2023-11-19 07:48:06,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:06,484 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1725 transitions. [2023-11-19 07:48:06,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2023-11-19 07:48:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1725 transitions. [2023-11-19 07:48:06,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 07:48:06,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:06,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:06,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:06,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:06,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:06,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:06,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1792650917, now seen corresponding path program 1 times [2023-11-19 07:48:06,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:06,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907776248] [2023-11-19 07:48:06,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:06,694 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 [2023-11-19 07:48:06,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:06,696 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:06,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:06,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:48:06,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:06,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:06,998 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:06,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907776248] [2023-11-19 07:48:06,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907776248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:06,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:06,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:48:06,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490171467] [2023-11-19 07:48:06,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:06,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:07,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:07,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:07,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:07,001 INFO L87 Difference]: Start difference. First operand 1116 states and 1725 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2023-11-19 07:48:07,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:07,078 INFO L93 Difference]: Finished difference Result 1118 states and 1727 transitions. [2023-11-19 07:48:07,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:07,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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 24 [2023-11-19 07:48:07,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:07,088 INFO L225 Difference]: With dead ends: 1118 [2023-11-19 07:48:07,089 INFO L226 Difference]: Without dead ends: 1118 [2023-11-19 07:48:07,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:07,091 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 4 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:07,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1360 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:07,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2023-11-19 07:48:07,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1118. [2023-11-19 07:48:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 804 states have (on average 1.6181592039800996) internal successors, (1301), 920 states have internal predecessors, (1301), 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) [2023-11-19 07:48:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1727 transitions. [2023-11-19 07:48:07,152 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1727 transitions. Word has length 24 [2023-11-19 07:48:07,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:07,153 INFO L495 AbstractCegarLoop]: Abstraction has 1118 states and 1727 transitions. [2023-11-19 07:48:07,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2023-11-19 07:48:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1727 transitions. [2023-11-19 07:48:07,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 07:48:07,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:07,160 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, 1, 1, 1, 1] [2023-11-19 07:48:07,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:07,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:07,366 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:07,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2135537018, now seen corresponding path program 1 times [2023-11-19 07:48:07,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:07,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022760559] [2023-11-19 07:48:07,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:07,367 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 [2023-11-19 07:48:07,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:07,369 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:07,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:07,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:48:07,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:07,744 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 [2023-11-19 07:48:07,757 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 [2023-11-19 07:48:07,849 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 [2023-11-19 07:48:07,880 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 [2023-11-19 07:48:07,908 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 [2023-11-19 07:48:07,935 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 [2023-11-19 07:48:08,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:48:08,019 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 [2023-11-19 07:48:08,042 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-19 07:48:08,043 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 [2023-11-19 07:48:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:48:08,137 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:08,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:08,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022760559] [2023-11-19 07:48:08,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022760559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:08,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:08,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:48:08,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437077431] [2023-11-19 07:48:08,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:08,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:48:08,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:08,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:48:08,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2023-11-19 07:48:08,140 INFO L87 Difference]: Start difference. First operand 1118 states and 1727 transitions. Second operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 7 states have internal predecessors, (16), 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) [2023-11-19 07:48:14,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:14,474 INFO L93 Difference]: Finished difference Result 1670 states and 2584 transitions. [2023-11-19 07:48:14,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:48:14,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.2) internal successors, (16), 7 states have internal predecessors, (16), 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 27 [2023-11-19 07:48:14,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:14,487 INFO L225 Difference]: With dead ends: 1670 [2023-11-19 07:48:14,487 INFO L226 Difference]: Without dead ends: 1670 [2023-11-19 07:48:14,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=37, Unknown=1, NotChecked=12, Total=72 [2023-11-19 07:48:14,489 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 679 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1503 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:14,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 1832 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1618 Invalid, 0 Unknown, 1503 Unchecked, 6.1s Time] [2023-11-19 07:48:14,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2023-11-19 07:48:14,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1270. [2023-11-19 07:48:14,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 932 states have (on average 1.6255364806866952) internal successors, (1515), 1048 states have internal predecessors, (1515), 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) [2023-11-19 07:48:14,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 2012 transitions. [2023-11-19 07:48:14,553 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 2012 transitions. Word has length 27 [2023-11-19 07:48:14,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:14,553 INFO L495 AbstractCegarLoop]: Abstraction has 1270 states and 2012 transitions. [2023-11-19 07:48:14,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.2) internal successors, (16), 7 states have internal predecessors, (16), 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) [2023-11-19 07:48:14,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 2012 transitions. [2023-11-19 07:48:14,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 07:48:14,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:14,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:14,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:14,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:14,767 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:14,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:14,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1220606589, now seen corresponding path program 1 times [2023-11-19 07:48:14,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:14,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273235497] [2023-11-19 07:48:14,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:14,769 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 [2023-11-19 07:48:14,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:14,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:14,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:15,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:48:15,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:15,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:48:15,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:15,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:15,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273235497] [2023-11-19 07:48:15,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273235497] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:48:15,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:48:15,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 07:48:15,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414818360] [2023-11-19 07:48:15,168 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:48:15,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:48:15,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:15,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:48:15,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:48:15,170 INFO L87 Difference]: Start difference. First operand 1270 states and 2012 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:15,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:15,337 INFO L93 Difference]: Finished difference Result 1276 states and 2018 transitions. [2023-11-19 07:48:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:48:15,338 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-19 07:48:15,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:15,348 INFO L225 Difference]: With dead ends: 1276 [2023-11-19 07:48:15,349 INFO L226 Difference]: Without dead ends: 1276 [2023-11-19 07:48:15,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:48:15,350 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 5 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3395 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:15,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3395 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:15,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2023-11-19 07:48:15,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1276. [2023-11-19 07:48:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 938 states have (on average 1.6215351812366738) internal successors, (1521), 1054 states have internal predecessors, (1521), 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) [2023-11-19 07:48:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 2018 transitions. [2023-11-19 07:48:15,408 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 2018 transitions. Word has length 25 [2023-11-19 07:48:15,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:15,408 INFO L495 AbstractCegarLoop]: Abstraction has 1276 states and 2018 transitions. [2023-11-19 07:48:15,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2018 transitions. [2023-11-19 07:48:15,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 07:48:15,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:15,411 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, 1, 1, 1] [2023-11-19 07:48:15,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:15,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:15,616 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:15,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:15,616 INFO L85 PathProgramCache]: Analyzing trace with hash 82277925, now seen corresponding path program 2 times [2023-11-19 07:48:15,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:15,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203077629] [2023-11-19 07:48:15,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:48:15,618 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 [2023-11-19 07:48:15,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:15,619 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:15,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:15,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 07:48:15,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:48:15,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:48:15,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 07:48:15,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:15,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:15,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203077629] [2023-11-19 07:48:15,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203077629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:15,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:15,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:15,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678654661] [2023-11-19 07:48:15,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:15,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:15,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:15,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:15,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:15,888 INFO L87 Difference]: Start difference. First operand 1276 states and 2018 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-19 07:48:15,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:15,979 INFO L93 Difference]: Finished difference Result 2482 states and 3931 transitions. [2023-11-19 07:48:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:15,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 28 [2023-11-19 07:48:15,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:15,997 INFO L225 Difference]: With dead ends: 2482 [2023-11-19 07:48:15,998 INFO L226 Difference]: Without dead ends: 2482 [2023-11-19 07:48:15,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:15,999 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 642 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:15,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 1356 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:16,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2482 states. [2023-11-19 07:48:16,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2482 to 2370. [2023-11-19 07:48:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 1815 states have (on average 1.6297520661157026) internal successors, (2958), 1939 states have internal predecessors, (2958), 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) [2023-11-19 07:48:16,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3927 transitions. [2023-11-19 07:48:16,122 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3927 transitions. Word has length 28 [2023-11-19 07:48:16,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:16,123 INFO L495 AbstractCegarLoop]: Abstraction has 2370 states and 3927 transitions. [2023-11-19 07:48:16,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-19 07:48:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3927 transitions. [2023-11-19 07:48:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:48:16,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:16,125 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:16,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:16,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:16,330 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:16,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:16,330 INFO L85 PathProgramCache]: Analyzing trace with hash -837585980, now seen corresponding path program 1 times [2023-11-19 07:48:16,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:16,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402662279] [2023-11-19 07:48:16,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:16,332 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 [2023-11-19 07:48:16,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:16,333 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:16,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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 [2023-11-19 07:48:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:16,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:48:16,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 07:48:16,647 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:16,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:16,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402662279] [2023-11-19 07:48:16,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402662279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:16,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:16,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:16,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821324857] [2023-11-19 07:48:16,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:16,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:16,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:16,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:16,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:16,651 INFO L87 Difference]: Start difference. First operand 2370 states and 3927 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:16,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:16,696 INFO L93 Difference]: Finished difference Result 1532 states and 2391 transitions. [2023-11-19 07:48:16,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:16,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2023-11-19 07:48:16,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:16,708 INFO L225 Difference]: With dead ends: 1532 [2023-11-19 07:48:16,709 INFO L226 Difference]: Without dead ends: 1532 [2023-11-19 07:48:16,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:16,710 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 424 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:16,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 430 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:16,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2023-11-19 07:48:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2023-11-19 07:48:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1171 states have (on average 1.4739538855678906) internal successors, (1726), 1225 states have internal predecessors, (1726), 244 states have call successors, (244), 48 states have call predecessors, (244), 68 states have return successors, (421), 262 states have call predecessors, (421), 243 states have call successors, (421) [2023-11-19 07:48:16,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2391 transitions. [2023-11-19 07:48:16,781 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2391 transitions. Word has length 32 [2023-11-19 07:48:16,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:16,782 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 2391 transitions. [2023-11-19 07:48:16,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2391 transitions. [2023-11-19 07:48:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 07:48:16,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:16,784 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, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:16,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:16,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:16,995 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:16,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:16,997 INFO L85 PathProgramCache]: Analyzing trace with hash -34406367, now seen corresponding path program 1 times [2023-11-19 07:48:16,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:16,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593887424] [2023-11-19 07:48:16,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:16,998 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 [2023-11-19 07:48:16,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:16,999 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:17,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-19 07:48:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:17,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:48:17,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:17,718 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#ldvarg2~0#1.base_10| (_ BitVec 64))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#ldvarg2~0#1.base_10| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#ldvarg2~0#1.base_10|)))) is different from true [2023-11-19 07:48:17,719 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 07:48:17,719 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:17,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:17,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593887424] [2023-11-19 07:48:17,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593887424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:17,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:17,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:48:17,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080182825] [2023-11-19 07:48:17,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:17,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:48:17,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:17,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:48:17,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2023-11-19 07:48:17,722 INFO L87 Difference]: Start difference. First operand 1532 states and 2391 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:19,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:19,239 INFO L93 Difference]: Finished difference Result 1751 states and 2715 transitions. [2023-11-19 07:48:19,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:48:19,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2023-11-19 07:48:19,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:19,251 INFO L225 Difference]: With dead ends: 1751 [2023-11-19 07:48:19,251 INFO L226 Difference]: Without dead ends: 1746 [2023-11-19 07:48:19,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2023-11-19 07:48:19,254 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 300 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 765 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:19,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 950 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 475 Invalid, 0 Unknown, 765 Unchecked, 1.5s Time] [2023-11-19 07:48:19,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2023-11-19 07:48:19,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1716. [2023-11-19 07:48:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1716 states, 1322 states have (on average 1.4720121028744326) internal successors, (1946), 1376 states have internal predecessors, (1946), 277 states have call successors, (277), 48 states have call predecessors, (277), 68 states have return successors, (485), 295 states have call predecessors, (485), 276 states have call successors, (485) [2023-11-19 07:48:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1716 states and 2708 transitions. [2023-11-19 07:48:19,343 INFO L78 Accepts]: Start accepts. Automaton has 1716 states and 2708 transitions. Word has length 31 [2023-11-19 07:48:19,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:19,344 INFO L495 AbstractCegarLoop]: Abstraction has 1716 states and 2708 transitions. [2023-11-19 07:48:19,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2708 transitions. [2023-11-19 07:48:19,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 07:48:19,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:19,346 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:19,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:19,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:19,552 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:19,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:19,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1650242408, now seen corresponding path program 1 times [2023-11-19 07:48:19,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:19,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554088500] [2023-11-19 07:48:19,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:19,554 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 [2023-11-19 07:48:19,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:19,555 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:19,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-19 07:48:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:19,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:48:19,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 07:48:19,937 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:19,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:19,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554088500] [2023-11-19 07:48:19,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554088500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:19,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:19,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:48:19,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10830599] [2023-11-19 07:48:19,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:19,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:48:19,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:19,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:48:19,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:19,939 INFO L87 Difference]: Start difference. First operand 1716 states and 2708 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:20,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:20,038 INFO L93 Difference]: Finished difference Result 1732 states and 2740 transitions. [2023-11-19 07:48:20,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:20,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2023-11-19 07:48:20,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:20,052 INFO L225 Difference]: With dead ends: 1732 [2023-11-19 07:48:20,052 INFO L226 Difference]: Without dead ends: 1732 [2023-11-19 07:48:20,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:48:20,053 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 416 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:20,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1273 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:20,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2023-11-19 07:48:20,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1726. [2023-11-19 07:48:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1726 states, 1330 states have (on average 1.4661654135338347) internal successors, (1950), 1384 states have internal predecessors, (1950), 277 states have call successors, (277), 50 states have call predecessors, (277), 70 states have return successors, (473), 295 states have call predecessors, (473), 276 states have call successors, (473) [2023-11-19 07:48:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 2700 transitions. [2023-11-19 07:48:20,128 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 2700 transitions. Word has length 41 [2023-11-19 07:48:20,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:20,130 INFO L495 AbstractCegarLoop]: Abstraction has 1726 states and 2700 transitions. [2023-11-19 07:48:20,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2700 transitions. [2023-11-19 07:48:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 07:48:20,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:20,132 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:20,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:20,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:20,340 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:20,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:20,340 INFO L85 PathProgramCache]: Analyzing trace with hash 414684395, now seen corresponding path program 1 times [2023-11-19 07:48:20,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:20,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762924229] [2023-11-19 07:48:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:20,341 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 [2023-11-19 07:48:20,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:20,342 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:20,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-19 07:48:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:20,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:48:20,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 07:48:20,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:20,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:20,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [762924229] [2023-11-19 07:48:20,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [762924229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:20,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:20,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:48:20,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838008724] [2023-11-19 07:48:20,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:20,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:48:20,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:20,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:48:20,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:20,769 INFO L87 Difference]: Start difference. First operand 1726 states and 2700 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:20,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:20,877 INFO L93 Difference]: Finished difference Result 1742 states and 2720 transitions. [2023-11-19 07:48:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:20,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2023-11-19 07:48:20,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:20,891 INFO L225 Difference]: With dead ends: 1742 [2023-11-19 07:48:20,891 INFO L226 Difference]: Without dead ends: 1742 [2023-11-19 07:48:20,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:48:20,892 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 416 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:20,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1270 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:20,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2023-11-19 07:48:20,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1736. [2023-11-19 07:48:20,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1338 states have (on average 1.460388639760837) internal successors, (1954), 1392 states have internal predecessors, (1954), 277 states have call successors, (277), 52 states have call predecessors, (277), 72 states have return successors, (461), 295 states have call predecessors, (461), 276 states have call successors, (461) [2023-11-19 07:48:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2692 transitions. [2023-11-19 07:48:20,961 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2692 transitions. Word has length 39 [2023-11-19 07:48:20,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:20,961 INFO L495 AbstractCegarLoop]: Abstraction has 1736 states and 2692 transitions. [2023-11-19 07:48:20,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2692 transitions. [2023-11-19 07:48:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 07:48:20,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:20,963 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:20,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:21,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:21,170 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:21,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:21,170 INFO L85 PathProgramCache]: Analyzing trace with hash 671013453, now seen corresponding path program 1 times [2023-11-19 07:48:21,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:21,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57956534] [2023-11-19 07:48:21,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:21,171 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 [2023-11-19 07:48:21,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:21,173 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:21,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-19 07:48:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:21,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:48:21,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 07:48:21,510 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:21,510 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:21,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57956534] [2023-11-19 07:48:21,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57956534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:21,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:21,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:48:21,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349629539] [2023-11-19 07:48:21,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:21,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:48:21,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:21,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:48:21,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:21,512 INFO L87 Difference]: Start difference. First operand 1736 states and 2692 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:21,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:21,639 INFO L93 Difference]: Finished difference Result 3471 states and 5465 transitions. [2023-11-19 07:48:21,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:48:21,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-19 07:48:21,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:21,664 INFO L225 Difference]: With dead ends: 3471 [2023-11-19 07:48:21,664 INFO L226 Difference]: Without dead ends: 3471 [2023-11-19 07:48:21,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:48:21,666 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 423 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1762 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:21,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 1762 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:21,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3471 states. [2023-11-19 07:48:21,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3471 to 3309. [2023-11-19 07:48:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 2590 states have (on average 1.4733590733590733) internal successors, (3816), 2675 states have internal predecessors, (3816), 528 states have call successors, (528), 101 states have call predecessors, (528), 142 states have return successors, (956), 540 states have call predecessors, (956), 527 states have call successors, (956) [2023-11-19 07:48:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 5300 transitions. [2023-11-19 07:48:21,804 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 5300 transitions. Word has length 38 [2023-11-19 07:48:21,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:21,805 INFO L495 AbstractCegarLoop]: Abstraction has 3309 states and 5300 transitions. [2023-11-19 07:48:21,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 5300 transitions. [2023-11-19 07:48:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 07:48:21,807 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:21,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:21,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:22,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:22,013 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:22,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:22,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1220324182, now seen corresponding path program 1 times [2023-11-19 07:48:22,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:22,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553633812] [2023-11-19 07:48:22,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:22,015 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 [2023-11-19 07:48:22,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:22,016 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:22,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-19 07:48:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:22,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:48:22,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 07:48:22,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:22,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:22,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553633812] [2023-11-19 07:48:22,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553633812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:22,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:22,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:48:22,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026752609] [2023-11-19 07:48:22,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:22,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:48:22,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:22,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:48:22,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:22,402 INFO L87 Difference]: Start difference. First operand 3309 states and 5300 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:22,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:22,498 INFO L93 Difference]: Finished difference Result 3251 states and 5158 transitions. [2023-11-19 07:48:22,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:22,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2023-11-19 07:48:22,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:22,522 INFO L225 Difference]: With dead ends: 3251 [2023-11-19 07:48:22,522 INFO L226 Difference]: Without dead ends: 3251 [2023-11-19 07:48:22,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:48:22,524 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 413 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:22,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 1264 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:22,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2023-11-19 07:48:22,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 3223. [2023-11-19 07:48:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3223 states, 2532 states have (on average 1.4644549763033174) internal successors, (3708), 2601 states have internal predecessors, (3708), 502 states have call successors, (502), 101 states have call predecessors, (502), 140 states have return successors, (900), 524 states have call predecessors, (900), 501 states have call successors, (900) [2023-11-19 07:48:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 3223 states and 5110 transitions. [2023-11-19 07:48:22,663 INFO L78 Accepts]: Start accepts. Automaton has 3223 states and 5110 transitions. Word has length 40 [2023-11-19 07:48:22,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:22,663 INFO L495 AbstractCegarLoop]: Abstraction has 3223 states and 5110 transitions. [2023-11-19 07:48:22,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 5110 transitions. [2023-11-19 07:48:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 07:48:22,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:22,665 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:22,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:22,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:22,871 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting device_may_wakeupErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:22,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:22,872 INFO L85 PathProgramCache]: Analyzing trace with hash -944782556, now seen corresponding path program 1 times [2023-11-19 07:48:22,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:22,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622152819] [2023-11-19 07:48:22,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:22,873 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 [2023-11-19 07:48:22,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:22,874 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:22,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-19 07:48:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:48:23,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 07:48:23,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:23,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:23,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622152819] [2023-11-19 07:48:23,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622152819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:23,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:23,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:23,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463412943] [2023-11-19 07:48:23,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:23,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:23,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:23,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:23,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:23,203 INFO L87 Difference]: Start difference. First operand 3223 states and 5110 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:48:23,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:23,299 INFO L93 Difference]: Finished difference Result 4254 states and 6597 transitions. [2023-11-19 07:48:23,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:23,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2023-11-19 07:48:23,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:23,319 INFO L225 Difference]: With dead ends: 4254 [2023-11-19 07:48:23,319 INFO L226 Difference]: Without dead ends: 4254 [2023-11-19 07:48:23,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:23,320 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 176 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:23,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 822 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:23,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2023-11-19 07:48:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 4233. [2023-11-19 07:48:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4233 states, 3411 states have (on average 1.4593960715332748) internal successors, (4978), 3499 states have internal predecessors, (4978), 595 states have call successors, (595), 130 states have call predecessors, (595), 178 states have return successors, (1015), 611 states have call predecessors, (1015), 594 states have call successors, (1015) [2023-11-19 07:48:23,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 4233 states and 6588 transitions. [2023-11-19 07:48:23,466 INFO L78 Accepts]: Start accepts. Automaton has 4233 states and 6588 transitions. Word has length 47 [2023-11-19 07:48:23,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:23,466 INFO L495 AbstractCegarLoop]: Abstraction has 4233 states and 6588 transitions. [2023-11-19 07:48:23,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:48:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4233 states and 6588 transitions. [2023-11-19 07:48:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 07:48:23,468 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:23,468 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:23,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:23,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:23,675 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-19 07:48:23,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:23,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1041619330, now seen corresponding path program 1 times [2023-11-19 07:48:23,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:23,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736670129] [2023-11-19 07:48:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:23,676 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 [2023-11-19 07:48:23,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:23,677 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -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) [2023-11-19 07:48:23,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8d47883-76cc-4c0b-97b0-8598e82f08f4/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-19 07:48:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:24,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.