./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14cb0b0179e79f0e2d385464cbe440f1c78ee76831b4c47fbbc7c2a57322304c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:38:54,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:38:54,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-12-02 15:38:54,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:38:54,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:38:54,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:38:54,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:38:54,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:38:54,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:38:54,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:38:54,392 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:38:54,393 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:38:54,393 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:38:54,394 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:38:54,394 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:38:54,394 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:38:54,395 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:38:54,396 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:38:54,396 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:38:54,396 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:38:54,397 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:38:54,397 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:38:54,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 15:38:54,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 15:38:54,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:38:54,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:38:54,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:38:54,400 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 15:38:54,400 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 15:38:54,401 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 15:38:54,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:38:54,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:38:54,401 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 15:38:54,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:38:54,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:38:54,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:38:54,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:38:54,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:38:54,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:38:54,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:38:54,403 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:38:54,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:38:54,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:38:54,404 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:38:54,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:38:54,404 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14cb0b0179e79f0e2d385464cbe440f1c78ee76831b4c47fbbc7c2a57322304c [2023-12-02 15:38:54,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:38:54,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:38:54,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:38:54,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:38:54,688 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:38:54,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i [2023-12-02 15:38:57,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:38:57,607 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:38:57,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i [2023-12-02 15:38:57,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/data/db6dd3e6e/e91c5698e6604e2cb938b18bdec5f4c9/FLAGa8ea97ca0 [2023-12-02 15:38:57,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/data/db6dd3e6e/e91c5698e6604e2cb938b18bdec5f4c9 [2023-12-02 15:38:57,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:38:57,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:38:57,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:38:57,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:38:57,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:38:57,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:57" (1/1) ... [2023-12-02 15:38:57,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779b512d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:57, skipping insertion in model container [2023-12-02 15:38:57,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:57" (1/1) ... [2023-12-02 15:38:57,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:38:58,005 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 15:38:58,006 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 15:38:58,013 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 15:38:58,027 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 15:38:58,030 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 15:38:58,044 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 15:38:58,053 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 15:38:58,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:38:58,094 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) [2023-12-02 15:38:58,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@130972eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:58, skipping insertion in model container [2023-12-02 15:38:58,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:38:58,105 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 15:38:58,108 INFO L158 Benchmark]: Toolchain (without parser) took 463.82ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 99.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 15:38:58,109 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:38:58,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.33ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 99.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 15:38:58,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.33ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 99.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 959]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14cb0b0179e79f0e2d385464cbe440f1c78ee76831b4c47fbbc7c2a57322304c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:38:59,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:38:59,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-12-02 15:38:59,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:38:59,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:38:59,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:38:59,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:38:59,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:38:59,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:38:59,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:38:59,974 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:38:59,974 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:38:59,975 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:38:59,975 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:38:59,976 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:38:59,976 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:38:59,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 15:38:59,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 15:38:59,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:38:59,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:38:59,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:38:59,980 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 15:38:59,981 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 15:38:59,981 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 15:38:59,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:38:59,982 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:38:59,982 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:38:59,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:38:59,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 15:38:59,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:38:59,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:38:59,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:38:59,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:38:59,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:38:59,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:38:59,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:38:59,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:38:59,985 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:38:59,986 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:38:59,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:38:59,986 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:38:59,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:38:59,986 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14cb0b0179e79f0e2d385464cbe440f1c78ee76831b4c47fbbc7c2a57322304c [2023-12-02 15:39:00,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:39:00,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:39:00,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:39:00,284 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:39:00,285 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:39:00,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i [2023-12-02 15:39:03,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:39:03,363 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:39:03,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i [2023-12-02 15:39:03,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/data/023e6f7a1/d1392d646b9c41d98b3a9f0ce8b744c9/FLAG45afa2c24 [2023-12-02 15:39:03,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/data/023e6f7a1/d1392d646b9c41d98b3a9f0ce8b744c9 [2023-12-02 15:39:03,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:39:03,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:39:03,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:39:03,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:39:03,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:39:03,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:03" (1/1) ... [2023-12-02 15:39:03,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2109d8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:03, skipping insertion in model container [2023-12-02 15:39:03,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:03" (1/1) ... [2023-12-02 15:39:03,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:39:03,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:39:03,881 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 15:39:03,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:39:03,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:39:03,985 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:39:04,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:39:04,083 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:39:04,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04 WrapperNode [2023-12-02 15:39:04,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:39:04,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:39:04,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:39:04,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:39:04,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,158 INFO L138 Inliner]: procedures = 80, calls = 168, calls flagged for inlining = 33, calls inlined = 28, statements flattened = 536 [2023-12-02 15:39:04,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:39:04,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:39:04,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:39:04,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:39:04,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:39:04,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:39:04,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:39:04,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:39:04,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (1/1) ... [2023-12-02 15:39:04,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:39:04,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:39:04,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:39:04,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:39:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2023-12-02 15:39:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2023-12-02 15:39:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:39:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:39:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:39:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 15:39:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 15:39:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 15:39:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:39:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-12-02 15:39:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-12-02 15:39:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 15:39:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 15:39:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 15:39:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 15:39:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 15:39:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2023-12-02 15:39:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2023-12-02 15:39:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:39:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 15:39:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:39:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-12-02 15:39:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-12-02 15:39:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2023-12-02 15:39:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2023-12-02 15:39:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:39:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-12-02 15:39:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-12-02 15:39:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 15:39:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 15:39:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 15:39:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 15:39:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2023-12-02 15:39:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2023-12-02 15:39:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:39:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:39:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:39:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 15:39:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 15:39:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-12-02 15:39:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-12-02 15:39:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:39:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:39:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-12-02 15:39:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-12-02 15:39:04,528 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:39:04,531 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:39:04,617 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 15:39:05,767 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:39:05,882 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:39:05,883 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 15:39:05,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:05 BoogieIcfgContainer [2023-12-02 15:39:05,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:39:05,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:39:05,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:39:05,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:39:05,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:03" (1/3) ... [2023-12-02 15:39:05,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456c8fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:05, skipping insertion in model container [2023-12-02 15:39:05,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:04" (2/3) ... [2023-12-02 15:39:05,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456c8fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:05, skipping insertion in model container [2023-12-02 15:39:05,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:05" (3/3) ... [2023-12-02 15:39:05,893 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point.cil.out.i [2023-12-02 15:39:05,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:39:05,914 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 57 error locations. [2023-12-02 15:39:05,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:39:05,973 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=FINITE_AUTOMATA, 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;@25830e35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:39:05,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2023-12-02 15:39:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 136 states have (on average 1.7205882352941178) internal successors, (234), 198 states have internal predecessors, (234), 42 states have call successors, (42), 16 states have call predecessors, (42), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-12-02 15:39:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 15:39:05,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:05,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:39:05,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 54 more)] === [2023-12-02 15:39:05,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:05,991 INFO L85 PathProgramCache]: Analyzing trace with hash 894882973, now seen corresponding path program 1 times [2023-12-02 15:39:06,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:39:06,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569390328] [2023-12-02 15:39:06,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:06,004 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 [2023-12-02 15:39:06,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:39:06,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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) [2023-12-02 15:39:06,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:39:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:06,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:39:06,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:39:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:39:06,209 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:39:06,210 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:39:06,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569390328] [2023-12-02 15:39:06,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569390328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:39:06,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:39:06,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:39:06,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588361688] [2023-12-02 15:39:06,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:39:06,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:39:06,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:39:06,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:39:06,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:06,262 INFO L87 Difference]: Start difference. First operand has 251 states, 136 states have (on average 1.7205882352941178) internal successors, (234), 198 states have internal predecessors, (234), 42 states have call successors, (42), 16 states have call predecessors, (42), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:39:06,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:39:06,581 INFO L93 Difference]: Finished difference Result 271 states and 342 transitions. [2023-12-02 15:39:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:39:06,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-02 15:39:06,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:39:06,594 INFO L225 Difference]: With dead ends: 271 [2023-12-02 15:39:06,594 INFO L226 Difference]: Without dead ends: 262 [2023-12-02 15:39:06,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:06,598 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 29 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:39:06,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 539 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:39:06,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-12-02 15:39:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 259. [2023-12-02 15:39:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 149 states have (on average 1.6711409395973154) internal successors, (249), 206 states have internal predecessors, (249), 39 states have call successors, (39), 15 states have call predecessors, (39), 14 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-02 15:39:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 326 transitions. [2023-12-02 15:39:06,654 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 326 transitions. Word has length 7 [2023-12-02 15:39:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:39:06,654 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 326 transitions. [2023-12-02 15:39:06,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:39:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 326 transitions. [2023-12-02 15:39:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 15:39:06,655 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:06,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:39:06,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:39:06,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:06,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK === [ldv_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 54 more)] === [2023-12-02 15:39:06,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:06,860 INFO L85 PathProgramCache]: Analyzing trace with hash 855676857, now seen corresponding path program 1 times [2023-12-02 15:39:06,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:39:06,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104643286] [2023-12-02 15:39:06,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:06,861 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 [2023-12-02 15:39:06,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:39:06,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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) [2023-12-02 15:39:06,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:39:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:07,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:39:07,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:39:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:39:07,022 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:39:07,022 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:39:07,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104643286] [2023-12-02 15:39:07,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104643286] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:39:07,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:39:07,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:39:07,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47379550] [2023-12-02 15:39:07,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:39:07,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:39:07,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:39:07,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:39:07,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:07,025 INFO L87 Difference]: Start difference. First operand 259 states and 326 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:39:07,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:39:07,553 INFO L93 Difference]: Finished difference Result 509 states and 634 transitions. [2023-12-02 15:39:07,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:39:07,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-02 15:39:07,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:39:07,558 INFO L225 Difference]: With dead ends: 509 [2023-12-02 15:39:07,558 INFO L226 Difference]: Without dead ends: 509 [2023-12-02 15:39:07,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:07,560 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 286 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:39:07,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 602 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 15:39:07,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2023-12-02 15:39:07,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 449. [2023-12-02 15:39:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 288 states have (on average 1.6631944444444444) internal successors, (479), 346 states have internal predecessors, (479), 76 states have call successors, (76), 29 states have call predecessors, (76), 28 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-02 15:39:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 630 transitions. [2023-12-02 15:39:07,597 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 630 transitions. Word has length 9 [2023-12-02 15:39:07,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:39:07,597 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 630 transitions. [2023-12-02 15:39:07,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:39:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 630 transitions. [2023-12-02 15:39:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 15:39:07,598 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:07,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:39:07,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 15:39:07,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:07,799 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK === [ldv_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 54 more)] === [2023-12-02 15:39:07,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:07,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1065129745, now seen corresponding path program 1 times [2023-12-02 15:39:07,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:39:07,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678193609] [2023-12-02 15:39:07,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:07,800 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 [2023-12-02 15:39:07,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:39:07,801 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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) [2023-12-02 15:39:07,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:39:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:07,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:39:07,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:39:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:39:07,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:39:07,936 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:39:07,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678193609] [2023-12-02 15:39:07,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678193609] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:39:07,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:39:07,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 15:39:07,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722606179] [2023-12-02 15:39:07,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:39:07,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:39:07,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:39:07,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:39:07,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:07,938 INFO L87 Difference]: Start difference. First operand 449 states and 630 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:39:08,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:39:08,465 INFO L93 Difference]: Finished difference Result 467 states and 654 transitions. [2023-12-02 15:39:08,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:39:08,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-02 15:39:08,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:39:08,471 INFO L225 Difference]: With dead ends: 467 [2023-12-02 15:39:08,471 INFO L226 Difference]: Without dead ends: 465 [2023-12-02 15:39:08,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:08,473 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 12 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:39:08,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 482 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 15:39:08,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2023-12-02 15:39:08,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 464. [2023-12-02 15:39:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 303 states have (on average 1.646864686468647) internal successors, (499), 361 states have internal predecessors, (499), 76 states have call successors, (76), 29 states have call predecessors, (76), 28 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-02 15:39:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 650 transitions. [2023-12-02 15:39:08,500 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 650 transitions. Word has length 12 [2023-12-02 15:39:08,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:39:08,500 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 650 transitions. [2023-12-02 15:39:08,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:39:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 650 transitions. [2023-12-02 15:39:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 15:39:08,501 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:08,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:39:08,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 15:39:08,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:08,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK === [ldv_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 54 more)] === [2023-12-02 15:39:08,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:08,704 INFO L85 PathProgramCache]: Analyzing trace with hash 944420360, now seen corresponding path program 1 times [2023-12-02 15:39:08,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:39:08,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504042447] [2023-12-02 15:39:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:08,705 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 [2023-12-02 15:39:08,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:39:08,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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) [2023-12-02 15:39:08,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:39:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:08,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:39:08,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:39:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:39:08,825 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:39:08,825 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:39:08,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504042447] [2023-12-02 15:39:08,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504042447] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:39:08,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:39:08,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:39:08,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361745310] [2023-12-02 15:39:08,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:39:08,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:39:08,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:39:08,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:39:08,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:08,828 INFO L87 Difference]: Start difference. First operand 464 states and 650 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:39:09,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:39:09,012 INFO L93 Difference]: Finished difference Result 467 states and 651 transitions. [2023-12-02 15:39:09,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:39:09,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-02 15:39:09,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:39:09,018 INFO L225 Difference]: With dead ends: 467 [2023-12-02 15:39:09,018 INFO L226 Difference]: Without dead ends: 467 [2023-12-02 15:39:09,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:09,019 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 290 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:39:09,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 268 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:39:09,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-12-02 15:39:09,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 464. [2023-12-02 15:39:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 303 states have (on average 1.6435643564356435) internal successors, (498), 361 states have internal predecessors, (498), 76 states have call successors, (76), 29 states have call predecessors, (76), 28 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-02 15:39:09,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 649 transitions. [2023-12-02 15:39:09,048 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 649 transitions. Word has length 18 [2023-12-02 15:39:09,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:39:09,048 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 649 transitions. [2023-12-02 15:39:09,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:39:09,049 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 649 transitions. [2023-12-02 15:39:09,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 15:39:09,050 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:09,050 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:39:09,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 15:39:09,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:09,253 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 54 more)] === [2023-12-02 15:39:09,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:09,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1112429892, now seen corresponding path program 1 times [2023-12-02 15:39:09,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:39:09,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028169128] [2023-12-02 15:39:09,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:09,255 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 [2023-12-02 15:39:09,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:39:09,256 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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) [2023-12-02 15:39:09,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:39:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:39:09,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:39:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:39:09,568 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-12-02 15:39:09,568 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:39:09,569 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 57 remaining) [2023-12-02 15:39:09,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_errorErr0ASSERT_VIOLATIONMEMORY_LEAK (55 of 57 remaining) [2023-12-02 15:39:09,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 57 remaining) [2023-12-02 15:39:09,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 57 remaining) [2023-12-02 15:39:09,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 57 remaining) [2023-12-02 15:39:09,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 57 remaining) [2023-12-02 15:39:09,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 57 remaining) [2023-12-02 15:39:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 57 remaining) [2023-12-02 15:39:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 57 remaining) [2023-12-02 15:39:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 57 remaining) [2023-12-02 15:39:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 57 remaining) [2023-12-02 15:39:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 57 remaining) [2023-12-02 15:39:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 57 remaining) [2023-12-02 15:39:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 57 remaining) [2023-12-02 15:39:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 57 remaining) [2023-12-02 15:39:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 57 remaining) [2023-12-02 15:39:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 57 remaining) [2023-12-02 15:39:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 57 remaining) [2023-12-02 15:39:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 57 remaining) [2023-12-02 15:39:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 57 remaining) [2023-12-02 15:39:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 57 remaining) [2023-12-02 15:39:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 57 remaining) [2023-12-02 15:39:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 57 remaining) [2023-12-02 15:39:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 57 remaining) [2023-12-02 15:39:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 57 remaining) [2023-12-02 15:39:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 57 remaining) [2023-12-02 15:39:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 57 remaining) [2023-12-02 15:39:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 57 remaining) [2023-12-02 15:39:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 57 remaining) [2023-12-02 15:39:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 57 remaining) [2023-12-02 15:39:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 57 remaining) [2023-12-02 15:39:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 57 remaining) [2023-12-02 15:39:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 57 remaining) [2023-12-02 15:39:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 57 remaining) [2023-12-02 15:39:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 57 remaining) [2023-12-02 15:39:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 57 remaining) [2023-12-02 15:39:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 57 remaining) [2023-12-02 15:39:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 57 remaining) [2023-12-02 15:39:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 57 remaining) [2023-12-02 15:39:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 57 remaining) [2023-12-02 15:39:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 57 remaining) [2023-12-02 15:39:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 57 remaining) [2023-12-02 15:39:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 57 remaining) [2023-12-02 15:39:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 57 remaining) [2023-12-02 15:39:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 57 remaining) [2023-12-02 15:39:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 57 remaining) [2023-12-02 15:39:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 57 remaining) [2023-12-02 15:39:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 57 remaining) [2023-12-02 15:39:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 57 remaining) [2023-12-02 15:39:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_FREE (7 of 57 remaining) [2023-12-02 15:39:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE (6 of 57 remaining) [2023-12-02 15:39:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE (5 of 57 remaining) [2023-12-02 15:39:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 57 remaining) [2023-12-02 15:39:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 57 remaining) [2023-12-02 15:39:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 57 remaining) [2023-12-02 15:39:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 57 remaining) [2023-12-02 15:39:09,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK (0 of 57 remaining) [2023-12-02 15:39:09,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -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 [2023-12-02 15:39:09,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:09,785 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-02 15:39:09,788 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:39:09,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch120 could not be translated [2023-12-02 15:39:09,813 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch126 could not be translated [2023-12-02 15:39:09,813 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch120 could not be translated [2023-12-02 15:39:09,813 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch126 could not be translated [2023-12-02 15:39:09,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret118 [2023-12-02 15:39:09,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch120 could not be translated [2023-12-02 15:39:09,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch126 could not be translated [2023-12-02 15:39:09,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch126 could not be translated [2023-12-02 15:39:09,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch122 could not be translated [2023-12-02 15:39:09,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch120 could not be translated [2023-12-02 15:39:09,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:39:09 BoogieIcfgContainer [2023-12-02 15:39:09,826 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:39:09,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:39:09,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:39:09,827 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:39:09,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:05" (3/4) ... [2023-12-02 15:39:09,829 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:39:09,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:39:09,830 INFO L158 Benchmark]: Toolchain (without parser) took 6430.45ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 65.8MB in the beginning and 52.2MB in the end (delta: 13.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-12-02 15:39:09,830 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:39:09,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.80ms. Allocated memory is still 90.2MB. Free memory was 65.8MB in the beginning and 53.4MB in the end (delta: 12.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-12-02 15:39:09,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.28ms. Allocated memory is still 90.2MB. Free memory was 53.0MB in the beginning and 48.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:39:09,831 INFO L158 Benchmark]: Boogie Preprocessor took 74.29ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 43.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:39:09,831 INFO L158 Benchmark]: RCFGBuilder took 1649.35ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 43.8MB in the beginning and 66.1MB in the end (delta: -22.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 15:39:09,831 INFO L158 Benchmark]: TraceAbstraction took 3939.51ms. Allocated memory is still 109.1MB. Free memory was 65.4MB in the beginning and 53.0MB in the end (delta: 12.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-12-02 15:39:09,831 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 109.1MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:39:09,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.80ms. Allocated memory is still 90.2MB. Free memory was 65.8MB in the beginning and 53.4MB in the end (delta: 12.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.28ms. Allocated memory is still 90.2MB. Free memory was 53.0MB in the beginning and 48.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.29ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 43.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1649.35ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 43.8MB in the beginning and 66.1MB in the end (delta: -22.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3939.51ms. Allocated memory is still 109.1MB. Free memory was 65.4MB in the beginning and 53.0MB in the end (delta: 12.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 109.1MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret118 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch120 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: overapproximation of large string literal at line 1170. Possible FailurePath: [L883] int ldv_state_variable_1 ; [L884] struct platform_device *s3c_hwmon_driver_group0 ; [L885] int LDV_IN_INTERRUPT = 1; [L886] int ref_cnt ; [L887] int ldv_state_variable_0 ; [L1170-L1172] static struct platform_driver s3c_hwmon_driver = {& s3c_hwmon_probe, & s3c_hwmon_remove, 0, 0, 0, {"s3c-hwmon", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}; [L1188] int ldv_retval_0 ; [L1189] int ldv_retval_1 ; [L1366] int ldv_count_1 = 0; [L1367] int ldv_count_2 = 0; [L1375] int ldv_call_dev_attr_of_sensor_device_attribute = 0; [L1203] int tmp ; [L1204] int tmp___0 ; [L1205] int tmp___1 ; [L1207] FCALL ldv_initialize() [L1208] ldv_state_variable_1 = 0 [L1209] ref_cnt = 0 [L1210] ldv_state_variable_0 = 1 VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}] [L1212] tmp = __VERIFIER_nondet_int() [L1214] case 0: [L1244] case 1: [L1246] tmp___1 = __VERIFIER_nondet_int() [L1248] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}, tmp=1, tmp___1=1] [L1244] case 1: [L1256] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}, tmp=1, tmp___1=1] [L1244] case 1: [L1258] CALL, EXPR s3c_hwmon_init() [L1175] int tmp ; [L1177] CALL, EXPR platform_driver_register(& s3c_hwmon_driver) [L1441] return __VERIFIER_nondet_int(); [L1177] RET, EXPR platform_driver_register(& s3c_hwmon_driver) [L1177] tmp = platform_driver_register(& s3c_hwmon_driver) [L1178] return (tmp); [L1258] RET, EXPR s3c_hwmon_init() [L1258] ldv_retval_1 = s3c_hwmon_init() [L1244] case 1: [L1260] ldv_state_variable_0 = 3 [L1261] ldv_state_variable_1 = 1 [L1262] CALL ldv_initialize_platform_driver_1() [L1194] void *tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}] [L1196] CALL, EXPR ldv_zalloc(624U) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}] [L824] void *p ; [L825] void *tmp ; [L826] int tmp___0 ; [L828] tmp___0 = __VERIFIER_nondet_int() [L829] COND TRUE tmp___0 != 0 [L830] return (0); VAL [LDV_IN_INTERRUPT=1, \old(size)=624, \result={0:0}, __this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}, size=624, tmp___0=2] [L1196] RET, EXPR ldv_zalloc(624U) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}] [L1196] tmp = ldv_zalloc(624U) [L1197] s3c_hwmon_driver_group0 = (struct platform_device *)tmp [L1262] RET ldv_initialize_platform_driver_1() [L1244] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}, tmp=1, tmp___1=1] [L1212] tmp = __VERIFIER_nondet_int() [L1214] case 0: [L1216] tmp___0 = __VERIFIER_nondet_int() [L1218] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}, tmp=0, tmp___0=0, tmp___1=1] [L1214] case 0: [L1220] CALL s3c_hwmon_probe(s3c_hwmon_driver_group0) [L1040] struct s3c_hwmon_pdata *pdata ; [L1041] struct s3c_hwmon *hwmon ; [L1042] int ret ; [L1043] int i ; [L1044] void *tmp ; [L1045] struct lock_class_key __key ; [L1046] long tmp___0 ; [L1047] long tmp___1 ; [L1048] long tmp___2 ; [L1049] long tmp___3 ; [L1050] struct s3c_hwmon_chcfg *cfg ; VAL [LDV_IN_INTERRUPT=1, __key={22:0}, __this_module={0:0}, dev={0:0}, dev={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, s3c_hwmon_driver={16:0}, s3c_hwmon_driver_group0={0:0}] [L1052] dev->dev.platform_data - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1458]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1458]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1458]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1201]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 252 locations, 57 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 617 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 617 mSDsluCounter, 1891 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 742 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 326 IncrementalHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 1149 mSDtfsCounter, 326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=464occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 67 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 0 NumberOfNonLiveVariables, 463 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 15:39:09,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676b523f-8600-4a30-ae9a-3d31a95cb124/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample