./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91 --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 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:16,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:16,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-25 00:08:16,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:16,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:16,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:16,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:16,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:16,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:16,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:16,191 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:16,191 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:16,192 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:16,194 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:08:16,194 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:16,195 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:16,195 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:08:16,196 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:08:16,196 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:16,197 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:08:16,197 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:08:16,198 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:08:16,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-25 00:08:16,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-25 00:08:16,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:16,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:08:16,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:16,202 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-25 00:08:16,202 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-25 00:08:16,202 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-25 00:08:16,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:16,204 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:08:16,205 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:08:16,205 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:16,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:16,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:16,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:16,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:16,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:16,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:16,207 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:08:16,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:08:16,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:16,208 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:16,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:16,209 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_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2023-11-25 00:08:16,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:16,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:16,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:16,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:16,535 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:16,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-25 00:08:19,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:20,134 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:20,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-25 00:08:20,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/data/41a7309bf/ba3c4dc88cdb4b80b915609d19fc5db8/FLAGb2a9b0b6a [2023-11-25 00:08:20,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/data/41a7309bf/ba3c4dc88cdb4b80b915609d19fc5db8 [2023-11-25 00:08:20,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:20,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:20,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:20,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:20,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:20,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:20" (1/1) ... [2023-11-25 00:08:20,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a77aafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:20, skipping insertion in model container [2023-11-25 00:08:20,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:20" (1/1) ... [2023-11-25 00:08:20,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:21,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:21,297 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-25 00:08:21,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26d94f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:21, skipping insertion in model container [2023-11-25 00:08:21,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:21,298 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:08:21,301 INFO L158 Benchmark]: Toolchain (without parser) took 1095.00ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 115.2MB in the end (delta: -9.9MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-25 00:08:21,302 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 61.0MB in the beginning and 60.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:21,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1090.63ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 115.2MB in the end (delta: -10.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-25 00:08:21,305 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 61.0MB in the beginning and 60.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1090.63ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 115.2MB in the end (delta: -10.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1836]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91 --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 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:23,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:23,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-25 00:08:23,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:23,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:24,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:24,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:24,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:24,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:24,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:24,005 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:24,006 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:24,006 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:24,007 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:24,007 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:24,008 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:24,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-25 00:08:24,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-25 00:08:24,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:24,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:08:24,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:24,012 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-25 00:08:24,012 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-25 00:08:24,012 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-25 00:08:24,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:24,013 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:08:24,013 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:08:24,014 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:08:24,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:08:24,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:24,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:24,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:08:24,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:24,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:24,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:24,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:24,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:24,019 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:08:24,019 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:08:24,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:24,019 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:24,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:24,020 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_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2023-11-25 00:08:24,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:24,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:24,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:24,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:24,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:24,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-25 00:08:27,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:28,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:28,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-25 00:08:28,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/data/e94b3e0bf/67f1eeb4b2f64df9a832b21598bb130d/FLAGc449a115e [2023-11-25 00:08:28,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/data/e94b3e0bf/67f1eeb4b2f64df9a832b21598bb130d [2023-11-25 00:08:28,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:28,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:28,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:28,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:28,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:28,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:28" (1/1) ... [2023-11-25 00:08:28,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c826a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:28, skipping insertion in model container [2023-11-25 00:08:28,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:28" (1/1) ... [2023-11-25 00:08:28,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:29,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:29,212 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-25 00:08:29,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:29,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:29,375 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:29,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:29,627 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:29,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29 WrapperNode [2023-11-25 00:08:29,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:29,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:29,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:29,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:29,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,772 INFO L138 Inliner]: procedures = 121, calls = 369, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 821 [2023-11-25 00:08:29,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:29,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:29,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:29,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:29,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:29,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:29,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:29,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:29,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (1/1) ... [2023-11-25 00:08:29,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:29,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:29,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:30,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-25 00:08:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-25 00:08:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:08:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-25 00:08:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-25 00:08:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:08:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:08:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2023-11-25 00:08:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2023-11-25 00:08:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2023-11-25 00:08:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2023-11-25 00:08:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2023-11-25 00:08:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2023-11-25 00:08:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2023-11-25 00:08:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2023-11-25 00:08:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2023-11-25 00:08:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2023-11-25 00:08:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2023-11-25 00:08:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2023-11-25 00:08:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:08:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:08:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2023-11-25 00:08:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2023-11-25 00:08:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-25 00:08:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-25 00:08:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:08:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:08:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2023-11-25 00:08:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2023-11-25 00:08:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-25 00:08:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-25 00:08:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2023-11-25 00:08:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2023-11-25 00:08:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2023-11-25 00:08:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2023-11-25 00:08:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2023-11-25 00:08:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2023-11-25 00:08:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:08:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:08:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:08:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2023-11-25 00:08:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2023-11-25 00:08:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:08:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-25 00:08:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-25 00:08:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:08:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:08:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:08:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2023-11-25 00:08:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2023-11-25 00:08:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-25 00:08:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-25 00:08:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-25 00:08:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-25 00:08:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-25 00:08:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:08:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-25 00:08:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:08:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-25 00:08:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-25 00:08:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:08:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-25 00:08:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-25 00:08:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:08:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-25 00:08:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-25 00:08:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2023-11-25 00:08:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2023-11-25 00:08:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2023-11-25 00:08:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2023-11-25 00:08:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-25 00:08:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-25 00:08:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-25 00:08:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-25 00:08:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2023-11-25 00:08:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2023-11-25 00:08:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:30,424 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:30,427 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:31,208 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:08:33,179 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:33,339 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:33,340 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:08:33,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:33 BoogieIcfgContainer [2023-11-25 00:08:33,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:33,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:33,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:33,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:33,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:28" (1/3) ... [2023-11-25 00:08:33,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4dc81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:33, skipping insertion in model container [2023-11-25 00:08:33,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:29" (2/3) ... [2023-11-25 00:08:33,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4dc81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:33, skipping insertion in model container [2023-11-25 00:08:33,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:33" (3/3) ... [2023-11-25 00:08:33,350 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2023-11-25 00:08:33,370 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:33,370 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2023-11-25 00:08:33,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:33,444 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;@3d65a4a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:33,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2023-11-25 00:08:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 494 states, 271 states have (on average 1.7490774907749078) internal successors, (474), 391 states have internal predecessors, (474), 80 states have call successors, (80), 32 states have call predecessors, (80), 31 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-25 00:08:33,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-25 00:08:33,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:33,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:33,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-25 00:08:33,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:33,466 INFO L85 PathProgramCache]: Analyzing trace with hash -520078368, now seen corresponding path program 1 times [2023-11-25 00:08:33,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:33,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383031576] [2023-11-25 00:08:33,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:33,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:33,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:33,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:33,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:08:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:33,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:08:33,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:33,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-25 00:08:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:08:33,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:33,948 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383031576] [2023-11-25 00:08:33,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383031576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:33,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:33,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:08:33,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315343185] [2023-11-25 00:08:33,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:33,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:08:33,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:34,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:08:34,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:08:34,005 INFO L87 Difference]: Start difference. First operand has 494 states, 271 states have (on average 1.7490774907749078) internal successors, (474), 391 states have internal predecessors, (474), 80 states have call successors, (80), 32 states have call predecessors, (80), 31 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:08:38,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:38,238 INFO L93 Difference]: Finished difference Result 789 states and 1085 transitions. [2023-11-25 00:08:38,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:08:38,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2023-11-25 00:08:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:38,262 INFO L225 Difference]: With dead ends: 789 [2023-11-25 00:08:38,263 INFO L226 Difference]: Without dead ends: 776 [2023-11-25 00:08:38,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:08:38,267 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 412 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:38,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1262 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-25 00:08:38,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2023-11-25 00:08:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 687. [2023-11-25 00:08:38,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 425 states have (on average 1.7435294117647058) internal successors, (741), 539 states have internal predecessors, (741), 110 states have call successors, (110), 31 states have call predecessors, (110), 41 states have return successors, (166), 120 states have call predecessors, (166), 109 states have call successors, (166) [2023-11-25 00:08:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1017 transitions. [2023-11-25 00:08:38,371 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1017 transitions. Word has length 8 [2023-11-25 00:08:38,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:38,372 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 1017 transitions. [2023-11-25 00:08:38,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:08:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1017 transitions. [2023-11-25 00:08:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-25 00:08:38,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:38,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:38,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-25 00:08:38,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:38,578 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-25 00:08:38,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:38,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1057440281, now seen corresponding path program 1 times [2023-11-25 00:08:38,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:38,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754479639] [2023-11-25 00:08:38,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:38,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:38,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:38,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-25 00:08:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:38,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-25 00:08:38,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:38,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-25 00:08:39,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:08:39,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:39,029 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:39,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754479639] [2023-11-25 00:08:39,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754479639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:39,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:39,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:08:39,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102477146] [2023-11-25 00:08:39,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:39,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:08:39,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:39,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:08:39,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:08:39,034 INFO L87 Difference]: Start difference. First operand 687 states and 1017 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:08:44,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:44,294 INFO L93 Difference]: Finished difference Result 1039 states and 1587 transitions. [2023-11-25 00:08:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:08:44,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-25 00:08:44,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:44,307 INFO L225 Difference]: With dead ends: 1039 [2023-11-25 00:08:44,307 INFO L226 Difference]: Without dead ends: 1039 [2023-11-25 00:08:44,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:08:44,309 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 401 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:44,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1233 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-25 00:08:44,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2023-11-25 00:08:44,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 969. [2023-11-25 00:08:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 654 states have (on average 1.761467889908257) internal successors, (1152), 771 states have internal predecessors, (1152), 162 states have call successors, (162), 31 states have call predecessors, (162), 42 states have return successors, (264), 172 states have call predecessors, (264), 161 states have call successors, (264) [2023-11-25 00:08:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1578 transitions. [2023-11-25 00:08:44,383 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1578 transitions. Word has length 9 [2023-11-25 00:08:44,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:44,383 INFO L495 AbstractCegarLoop]: Abstraction has 969 states and 1578 transitions. [2023-11-25 00:08:44,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:08:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1578 transitions. [2023-11-25 00:08:44,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-25 00:08:44,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:44,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:44,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:44,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:44,601 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-25 00:08:44,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash -171601687, now seen corresponding path program 1 times [2023-11-25 00:08:44,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:44,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877409863] [2023-11-25 00:08:44,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:44,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:44,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:44,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:44,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-25 00:08:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:44,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:08:44,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:08:44,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:44,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877409863] [2023-11-25 00:08:44,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877409863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:44,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:44,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:08:44,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304598450] [2023-11-25 00:08:44,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:44,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:08:44,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:44,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:08:44,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:08:44,892 INFO L87 Difference]: Start difference. First operand 969 states and 1578 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:08:45,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:45,516 INFO L93 Difference]: Finished difference Result 971 states and 1580 transitions. [2023-11-25 00:08:45,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:08:45,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-25 00:08:45,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:45,525 INFO L225 Difference]: With dead ends: 971 [2023-11-25 00:08:45,525 INFO L226 Difference]: Without dead ends: 971 [2023-11-25 00:08:45,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:08:45,527 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 4 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:45,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1082 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-25 00:08:45,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2023-11-25 00:08:45,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2023-11-25 00:08:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 656 states have (on average 1.7591463414634145) internal successors, (1154), 773 states have internal predecessors, (1154), 162 states have call successors, (162), 31 states have call predecessors, (162), 42 states have return successors, (264), 172 states have call predecessors, (264), 161 states have call successors, (264) [2023-11-25 00:08:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1580 transitions. [2023-11-25 00:08:45,579 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1580 transitions. Word has length 18 [2023-11-25 00:08:45,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:45,579 INFO L495 AbstractCegarLoop]: Abstraction has 971 states and 1580 transitions. [2023-11-25 00:08:45,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:08:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1580 transitions. [2023-11-25 00:08:45,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-25 00:08:45,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:45,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:45,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:45,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:45,786 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-25 00:08:45,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:45,787 INFO L85 PathProgramCache]: Analyzing trace with hash 189704286, now seen corresponding path program 1 times [2023-11-25 00:08:45,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:45,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373350872] [2023-11-25 00:08:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:45,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:45,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:45,789 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:45,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-25 00:08:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:46,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:08:46,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:08:46,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:08:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:08:46,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:46,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373350872] [2023-11-25 00:08:46,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373350872] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:08:46,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [567903748] [2023-11-25 00:08:46,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:46,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:08:46,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:08:46,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:08:46,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-25 00:08:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:46,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:08:46,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-25 00:08:46,625 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:46,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [567903748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:46,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-25 00:08:46,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2023-11-25 00:08:46,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327775001] [2023-11-25 00:08:46,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:46,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:08:46,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:46,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:08:46,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-25 00:08:46,628 INFO L87 Difference]: Start difference. First operand 971 states and 1580 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:08:47,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:47,570 INFO L93 Difference]: Finished difference Result 1903 states and 3092 transitions. [2023-11-25 00:08:47,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:08:47,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-11-25 00:08:47,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:47,586 INFO L225 Difference]: With dead ends: 1903 [2023-11-25 00:08:47,586 INFO L226 Difference]: Without dead ends: 1903 [2023-11-25 00:08:47,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-25 00:08:47,587 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 573 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:47,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 1082 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-25 00:08:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2023-11-25 00:08:47,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1791. [2023-11-25 00:08:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1791 states, 1283 states have (on average 1.759937646141855) internal successors, (2258), 1407 states have internal predecessors, (2258), 315 states have call successors, (315), 60 states have call predecessors, (315), 82 states have return successors, (515), 335 states have call predecessors, (515), 314 states have call successors, (515) [2023-11-25 00:08:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 3088 transitions. [2023-11-25 00:08:47,689 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 3088 transitions. Word has length 19 [2023-11-25 00:08:47,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:47,689 INFO L495 AbstractCegarLoop]: Abstraction has 1791 states and 3088 transitions. [2023-11-25 00:08:47,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:08:47,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 3088 transitions. [2023-11-25 00:08:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-25 00:08:47,691 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:47,691 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:47,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-25 00:08:47,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-25 00:08:48,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:48,096 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-25 00:08:48,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:48,096 INFO L85 PathProgramCache]: Analyzing trace with hash -403988521, now seen corresponding path program 1 times [2023-11-25 00:08:48,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:48,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892024095] [2023-11-25 00:08:48,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:48,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:48,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:48,099 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:48,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-25 00:08:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:48,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:08:48,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:48,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-25 00:08:48,512 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc15#1.base| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_zalloc_#t~malloc15#1.base|)) (= |c_#valid| (store |c_old(#valid)| |ldv_zalloc_#t~malloc15#1.base| (select |c_#valid| |ldv_zalloc_#t~malloc15#1.base|))))) is different from true [2023-11-25 00:08:48,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-25 00:08:48,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-25 00:08:48,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-25 00:08:48,664 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-25 00:08:48,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-11-25 00:08:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-25 00:08:48,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:48,697 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:48,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892024095] [2023-11-25 00:08:48,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892024095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:48,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:48,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:08:48,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490489233] [2023-11-25 00:08:48,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:48,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:08:48,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:48,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:08:48,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2023-11-25 00:08:48,701 INFO L87 Difference]: Start difference. First operand 1791 states and 3088 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-25 00:08:52,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:52,919 INFO L93 Difference]: Finished difference Result 2111 states and 3593 transitions. [2023-11-25 00:08:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:08:52,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 22 [2023-11-25 00:08:52,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:52,936 INFO L225 Difference]: With dead ends: 2111 [2023-11-25 00:08:52,936 INFO L226 Difference]: Without dead ends: 2111 [2023-11-25 00:08:52,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=20, Unknown=1, NotChecked=8, Total=42 [2023-11-25 00:08:52,937 INFO L413 NwaCegarLoop]: 451 mSDtfsCounter, 402 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 2351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1087 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:52,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1367 Invalid, 2351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1126 Invalid, 0 Unknown, 1087 Unchecked, 4.1s Time] [2023-11-25 00:08:52,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2023-11-25 00:08:53,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1790. [2023-11-25 00:08:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1790 states, 1283 states have (on average 1.7591582229150429) internal successors, (2257), 1406 states have internal predecessors, (2257), 315 states have call successors, (315), 60 states have call predecessors, (315), 82 states have return successors, (515), 335 states have call predecessors, (515), 314 states have call successors, (515) [2023-11-25 00:08:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 3087 transitions. [2023-11-25 00:08:53,027 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 3087 transitions. Word has length 22 [2023-11-25 00:08:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:53,028 INFO L495 AbstractCegarLoop]: Abstraction has 1790 states and 3087 transitions. [2023-11-25 00:08:53,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-25 00:08:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 3087 transitions. [2023-11-25 00:08:53,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-25 00:08:53,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:53,035 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:53,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-25 00:08:53,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:53,240 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-25 00:08:53,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:53,240 INFO L85 PathProgramCache]: Analyzing trace with hash 361258242, now seen corresponding path program 1 times [2023-11-25 00:08:53,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:53,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053736461] [2023-11-25 00:08:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:53,241 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:53,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:53,242 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:53,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-25 00:08:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:53,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-25 00:08:53,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:53,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-25 00:08:53,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-25 00:08:53,767 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ldv_zalloc_#t~malloc15#1.base| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_zalloc_#t~malloc15#1.base|)) (= |c_#length| (store |c_old(#length)| |ldv_zalloc_#t~malloc15#1.base| (select |c_#length| |ldv_zalloc_#t~malloc15#1.base|))))) is different from true [2023-11-25 00:08:53,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-25 00:08:53,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-25 00:08:53,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-25 00:08:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-25 00:08:53,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-25 00:08:53,907 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-25 00:08:53,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-25 00:08:53,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-25 00:08:53,979 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:53,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:53,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053736461] [2023-11-25 00:08:53,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053736461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:53,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:53,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:08:53,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839358225] [2023-11-25 00:08:53,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:53,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-25 00:08:53,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:53,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-25 00:08:53,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2023-11-25 00:08:53,981 INFO L87 Difference]: Start difference. First operand 1790 states and 3087 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-25 00:09:00,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:00,340 INFO L93 Difference]: Finished difference Result 2684 states and 4665 transitions. [2023-11-25 00:09:00,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:09:00,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 23 [2023-11-25 00:09:00,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:00,362 INFO L225 Difference]: With dead ends: 2684 [2023-11-25 00:09:00,362 INFO L226 Difference]: Without dead ends: 2684 [2023-11-25 00:09:00,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=37, Unknown=1, NotChecked=12, Total=72 [2023-11-25 00:09:00,363 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 790 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1362 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:00,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 1417 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1362 Invalid, 0 Unknown, 1362 Unchecked, 6.1s Time] [2023-11-25 00:09:00,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2023-11-25 00:09:00,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2058. [2023-11-25 00:09:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 1503 states have (on average 1.7604790419161678) internal successors, (2646), 1627 states have internal predecessors, (2646), 364 states have call successors, (364), 60 states have call predecessors, (364), 82 states have return successors, (605), 384 states have call predecessors, (605), 363 states have call successors, (605) [2023-11-25 00:09:00,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 3615 transitions. [2023-11-25 00:09:00,472 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 3615 transitions. Word has length 23 [2023-11-25 00:09:00,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:00,473 INFO L495 AbstractCegarLoop]: Abstraction has 2058 states and 3615 transitions. [2023-11-25 00:09:00,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-25 00:09:00,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 3615 transitions. [2023-11-25 00:09:00,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-25 00:09:00,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:00,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:00,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:00,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:09:00,682 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-25 00:09:00,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:00,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1661302508, now seen corresponding path program 1 times [2023-11-25 00:09:00,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:00,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659568354] [2023-11-25 00:09:00,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:00,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:09:00,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:00,685 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:09:00,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-25 00:09:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:00,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:09:00,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:09:00,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:09:01,068 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:01,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659568354] [2023-11-25 00:09:01,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [659568354] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:09:01,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1511415822] [2023-11-25 00:09:01,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:01,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:09:01,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:09:01,072 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:09:01,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-25 00:09:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:01,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:09:01,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:09:01,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:09:01,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1511415822] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:09:01,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383552094] [2023-11-25 00:09:01,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:01,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:09:01,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:09:01,635 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:09:01,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-25 00:09:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:01,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:09:01,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:09:01,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:09:01,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383552094] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:09:01,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-25 00:09:01,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2023-11-25 00:09:01,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579629389] [2023-11-25 00:09:01,938 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-25 00:09:01,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-25 00:09:01,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:01,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-25 00:09:01,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:09:01,939 INFO L87 Difference]: Start difference. First operand 2058 states and 3615 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:09:03,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:03,578 INFO L93 Difference]: Finished difference Result 2064 states and 3621 transitions. [2023-11-25 00:09:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:09:03,580 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-25 00:09:03,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:03,597 INFO L225 Difference]: With dead ends: 2064 [2023-11-25 00:09:03,598 INFO L226 Difference]: Without dead ends: 2064 [2023-11-25 00:09:03,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:09:03,599 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 4 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3239 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:03,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3239 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-25 00:09:03,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2023-11-25 00:09:03,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2064. [2023-11-25 00:09:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2064 states, 1509 states have (on average 1.757455268389662) internal successors, (2652), 1633 states have internal predecessors, (2652), 364 states have call successors, (364), 60 states have call predecessors, (364), 82 states have return successors, (605), 384 states have call predecessors, (605), 363 states have call successors, (605) [2023-11-25 00:09:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 3621 transitions. [2023-11-25 00:09:03,693 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 3621 transitions. Word has length 22 [2023-11-25 00:09:03,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:03,694 INFO L495 AbstractCegarLoop]: Abstraction has 2064 states and 3621 transitions. [2023-11-25 00:09:03,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:09:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 3621 transitions. [2023-11-25 00:09:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-25 00:09:03,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:03,697 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:03,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:03,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:04,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:04,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:09:04,304 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [kfreeErr0ASSERT_VIOLATIONMEMORY_FREE, kfreeErr1ASSERT_VIOLATIONMEMORY_FREE, kfreeErr2ASSERT_VIOLATIONMEMORY_FREE, tegra_rtc_set_alarmErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 107 more)] === [2023-11-25 00:09:04,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:04,305 INFO L85 PathProgramCache]: Analyzing trace with hash -149286039, now seen corresponding path program 2 times [2023-11-25 00:09:04,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:04,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575163814] [2023-11-25 00:09:04,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-25 00:09:04,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:09:04,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:04,306 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:09:04,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971e4c93-3a51-4579-98f4-63491425a33c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-25 00:09:04,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-25 00:09:04,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-25 00:09:04,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:09:04,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:04,863 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#ldvarg2~0#1.base_22| (_ BitVec 64))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#ldvarg2~0#1.base_22| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#ldvarg2~0#1.base_22|)))) is different from true [2023-11-25 00:09:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-25 00:09:04,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:09:04,864 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:04,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575163814] [2023-11-25 00:09:04,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575163814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:04,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:04,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:09:04,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89445730] [2023-11-25 00:09:04,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:04,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:09:04,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:04,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:09:04,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2023-11-25 00:09:04,867 INFO L87 Difference]: Start difference. First operand 2064 states and 3621 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)